Packing List
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1. ie 1027 2000 Had HiT babes da in All right tara al Destination server IP address and port number These parameters are set in the Add Server screen Once set these fields cannot be modified To correct this setting delete the server and add a new one Weight Scheduling priority weight Valid integer numbers are between 1 and 100 Running state e Active e Standby 38 Gei Hill Networks inc The WebMux User Guide Version 3 5 00 Webmux Phone Paging Codes When an error occurs the WebMux will send an error code to the regular numerical pager assigned in the Administration Setup page Please refer to the Management Browser Administration Setup section on setting up phone pager numbers To be as compatible as possible to different types of pagers only numeric error codes are used The minimum requirement is the pager should be able to display up to 18 digits If the pager cannot display 18 digits some codes may get truncated For WebMux Single and with Secondary e 99NMINNNNPPPP A server went down This 18 digit code no spaces starts with 99 followed by 12 digits of the IP address without the periods of the server The last four digits represent the port number of the server e OO MINIIITPPPP A downed server went back up This 18 digit code no spaces starts with 00 followed by 12 digits of the IP address without the periods of the2. ed Hill Networ ks nc The WebMux User Guide Version 3 5 00 The status screen auto refreshes frequently to provide most up to date status You can use the Pause button to freeze the auto refresh Resume After the Pause button been pushed it will change to Resume and the auto refresh stopped Click the Resume button to restart the auto refresh 31 Ger Hill Add Farm The WebMux User Guide Version 3 5 00 E adding am Mic zrozoli internet Explore Ee ca Frode Teo He ett ts AAA A PF O nj Ae aw ole sy add farm The senaces tcp udp and ip both of tcp and udp are genenc Bad server detection is lass rigorous for such services A blank port number default means to use the default well known port for the specified service For the generic semices a port number of 0 or all denotes the wild specification of all ports The wild port specification is not allowed for other services _farm IP address LITTEL LI servi Ca HT TP hyporigoat ranglar protocol TCP echeduing method weighted round rabin persistent port number VOMIT Anc Farm IP address This is the IP address of the new farm The farm address is the Internet known address For example if you want to create an http farm for www yourdomain com the farm IP address will be the IP address for www yourdomain com from your DNS record If the IP address of www yourdomain com is 205 188 166 10 then the
3. Networks inc WebMux User Guide Ver 3 5 00 Copyright 2000 Red Hill Networks Table Of Contents melo oni man me omeo m o m mm m mon repa 1 mn e 2 O o eo se An 2 Rear VIEW m m RR o e teuasusescunsetcecensenats 3 WV CIV OVE VIEW sesiju ska ka AAA Aa 5 AA A S S E A S vociaesanandas 5 The WebMUuUX Family ci oka ij in 6 NGIWONK OVER VIO Wilson 8 sample CONMGUPATONS carcasa ala rita 10 single WebMiI iaa jedne A A E 10 nedunaantinstallauOon esa jao dios 12 Installation Without IP Address Change aaa aan aan anna 14 Contiguiihg the WeBMUOX seze naje avsa ar e a a eo ao dana 16 Before YOU Stalin 16 NelWotK TERMINOIOG Visita 16 Hardware eliana 17 Colector at Ny A iO 17 SEP INE TIS WIS TWN OU KK oiie hi A odi a ee hed 17 Configuration SUMMA le a nnmnnn 19 Initial CONNIGUrati OI aos dolosa 19 Router LAN Information a A A RE N 19 Seven LAN IAN bs 20 Administration Setup Information sssi e a a 21 VVEDNILG IMOHNNANOM s ae do aia 21 Management BIOWSEK cerren rotas 23 LOGIN Pare asa Ga oi a jeci is i o ui oi ei Sa SS GE So i lao ea POE 23 Administration Set Usa 26 i US AA O 30 PRO Gs ANN O e OO CO O A A 32 Mody Fa Mica cada EE 34 ACASO ua 36 MOGIIY SEVEN aii 38 lio a AAA A 39 GONTAEDIMO Mal Minsa naa i 40 Initial Configuration WORKS COS inca 41 Sample Configuration WorkSheetSs cooocccccoccncccnnnccncnnononononanononanononnnnononencnnns 43 FAO e m m AAAA ola 46 Gea hill Networks inc The We
4. PC OO a a nn a Internet Router LAN Gateway Address u I mne a a VIN O O Server LAN Information Server LAN WebMux IP Address Server LAN Network IP Address Mask Server LAN Network IP Address Server LAN Network Broadcast Address Administration Setup Information Remake home webmux conf passwd Y N Administration HTTP Port Number Y Secure Administration HTTP Port Number Yo Is this WebMux primary WebMux running solo without backup OO WebMux Information a a Server LAN Gateway IP Address Reboot Get Hill Networks inc The WebMux User Guide Version 3 5 00 Secondary WebMux oo Router LAN Information Router LAN WebMux Proxy IP Address Router LAN Network IP Address Mask Router LAN Network IP Address Router LAN Broadcast IP Address ee Se ann pe Internet Router LAN Gateway Address E GI m Server LAN Information Server LAN WebMux IP Address Server LAN Network IP Address Mask Server LAN Network IP Address Server LAN Network Broadcast Address Administration Setup Information Remake home webmux cont passwd Y N Administration HTTP Port Number So Secure Administration HTTP Port Number No Is this WebMux primary N Gei Hill Networks inc The WebMux User Guide Version 3 5 00 Weomux Sample Configuration Worksheets Standalone WebMux Configuration Before WebMux Installation Internet Router or Fi
5. We bu Primary ee ee LITE NITITI aaa dear i sp naj L 10 1 1 270 j E AA ee x me aa Default ll pas Sener Sener 3 10 3 1 20 10 2 1 20 Sener 1 10 2 1 10 A _ _ _ _ jj _ Default Gateway 10 1 1 1 e The installation requires two WebMuxes One will be the primary and the other the secondary They connect together with the special cable that is shipped with the WebMux e Both WebMuxes connect to the Router LAN and to the Server LAN Each WebMux interface has a unique IP address e The registered IP address is a class C address The IP address of the WebMuxes Virtual Farms must be in the same network as the Internet router 12 Geri Hill Networks ne The WebMux User Guide Version 3 5 00 e The WebMux translates the Internet addresses to an Internet non routable class A address In this example the subnet mask 255 0 0 0 The IP address of the WebMux interfaces attached to the Server LAN are 10 1 1 10 and 10 1 1 20 e The Default Gateway for all the servers is 10 1 1 1 e Farm 1 IP address is 205 133 156 200 e Servers 1 and 2 serve Farm 1 e Farm 2 IP address is 205 133 156 210 e Servers 2 and 3 serve Farm 2 NOTE All IP addresses must be Internet non routable address so that the source address from the Internet does not conflict with the IP addresses on the Server LAN Note If there is a firewall between the WebMux and the Internet Router a rule must be defined i
6. address D i Network mask ne Eroadcast IP address Name Powder Fgujer LAN Router LAN Webtiux IP address Webhlux P address Wiebhlux WrebMux Name Mame i i f i i i i Webhiux IP Address i PE a E e E a E E i i i i i i i i i f i Webhlux Pro only Samer LAN Metwork IP address Network mask Broadcast IF address Network Terminology A Virtual Farm includes the WebMux setup and the servers under it Functionally it acts as a single unit on a network For example http www redhillnetworks com is one virtual server farm https www redhillnetworks com IS another farm and ftp ftp redhillnetworks com is the third farm The first farm works on a set of servers on port 80 the second farm consists of another set of servers on port 443 and the third farm works on a set of servers on port 21 To serve the Internet there must be at least one Internet Router This local area network that connects the router and the WebMux is called the Router LAN In this LAN the WebMux takes the Internet traffic and distributes it to the 16 Ged Hill Networks inc The WebMux User Guide Version 3 5 00 web servers behind it The LAN connecting WebMux and web servers together is called Server LAN Only WebMux boxes are connected to both Router LAN and Server LAN At least one WebMux is needed to define the Router LAN and the Server LAN The side of the WebMux that connects
7. server The last four digits represent the port number of the server For WebMux Primary Only e 66 Secondary is not responding For WebMux Secondary Only e 7 1 Primary failed Secondary took over from Primary e 772 Primary went back up Control returns to Primary e 773 Primary failed Secondary attempted to take over but was not able to connect to any server within the farm e 774 Primary failed Secondary attempted to take over but was not able to connect to the Internet router 39 Geinin Networks nc he WebMux User Guide Version 3 5 00 Webmux Contact Information For latest product and support information please visit our web site at http www redhillnetworks com To reach us by e mail Support support redhillnetworks com Sales sales redhillnetworks com Our address and phone number are Red Hill Networks Inc 1411 Warner Ave Suite A Tustin CA 92780 Phone 714 259 1050 Fax 714 259 1052 40 Gei Hill Networks inc The WebMux User Guide Version 3 5 00 Webmux Initial Configuration Worksheets Primary WebMux Configuration Before WebMux Installation IP Address Internet Router or Firewall Address Webserver s Default Gateway Configuration After WebMux Installation Host Name Domain Name Router LAN Information Router LAN WebMux Proxy IP Address Router LAN Network IP Address Mask Router LAN Network IP Address Router LAN Broadcast IP Address a
8. to the Router LAN is to send and receive all the IP packets from the router to the Internet The side of the WebMux that connects to the Server LAN is to send and receive IP packets to and from the servers in the farms By properly configuring WebMux one can create one or more Virtual Farms on top of physical hardware Hardware Setup Collect Information e Make a drawing of the existing network and note all the configuration settings This will help you to fall back to the existing configurations if needed e Make a new drawing for the new setup with the WebMux and the web farm in place This will be used as a guide for setup and preparation of all the necessary material and equipment e Collect all the IP addresses their network masks network addresses and broadcast addresses for the Server LAN and Router LAN WebMux interfaces The IP address of the Internet router is also needed e Label all the cables Prepare additional cables if needed e Make sure there are enough electrical or UPS outlets for all the new equipment Setup the new network e Power down all the devices on the network e If you have a secondary WebMux connect the WebMuxes with the special serial cable e Connect the servers to the Server LAN e Connect the WebMux es to the Server LAN e Connect the WebMux es to the Router LAN e Power up all devices network e Verify that all the devices are up and running 17 Geil ill Networks inc he We
9. 9 Ger Hill The WebMux User Guide Version 3 5 00 Status EEGI configuration Hiort Iraernet Exploser Eo Sia 2486 EY Back Fi Stop Reliih Home o Gewch Favorites Hitap a T Ma r High Availability Solutio Buil tins at bility iHi ra ma Wed kafi za on Men ee 492000 o 216 700 8352 192 168 11 205 proto205 redhillnebrorks com type service IP address pom servers stats Saa 1 WRR P Ham hip 2161000832 GO Zams ALE i 2 Senet 1221651110 20 weight 1 ALIVE 0 a SENT 2160 IT 72 BD woigh1 ALIVE STADE 4 WRR Pham hipe dd3 1 server 5 ie red dali weight 1 g E LC fam iep S060 1 sener 5 7 genes GOGO weight 1 5 B LC fam icp 443 serwer O a deves 5443 weight 1 O 10 RE farm ep nope 2 pol 1 server 0 il server O 55 Dore TT gy riel ee Add Farm Click Add Farm to add a virtual web or FTP site The ADD FARM screen will appear Save Changes made to the Farm and Server will take effect immediately The changes however are not saved permanently to the flash memory until the Save button is clicked Unsaved settings may be lost during power outage or WebMux reboot Setup This button brings up the Administration Setup page Super User login is required to access this page Logout lt is not recommended to leave the management browser login unattended Click the Logout button to close the session The Login screen will re appear Pause 30
10. Farm IP address is also 205 188 166 10 The WebMux will then translate the farm address to the web server address in your DMZ or internal network lf you use WebMux for your intranet then the farm IP address will be the IP address of the original web or application server The IP addresses of the original web or application servers must be changed so that the WebMux can translate farm IP address to the server IP address Caution Once a new farm is added the IP address cannot be changed To correct the IP address the old one has to be deleted and a new one to be created Service Ged Hill Networks inc The WebMux User Guide Version 3 5 00 This is the service of the new farm Select a service to create a farm using its well known port If a port other than a well known port for TCP or UDP service is to be used then choose one of the Generic selections and enter the port number in the PORT NUMBER box No port number needed to be specified if the service protocol is on the list Caution Once the new farm is created the port number cannot be changed Like the IP address the old farm must be deleted and a new one created Well Known Port DNS Domain Name Service TCP FTP File Transfer Protocol TCP HTTP Hypertext Transfer Protocol TCP 80 HTTPS Secure Hypertext Transfer 443 Protocol TCP NTP Network Time Protocol POP3 Post Office Protocol TCP Generic no port scan UD
11. Guide Version 3 5 00 Webmux WebMux Overview Key Features The WebMux is a standalone device designed primarily to load balance IP traffic to multiple web servers The WebMux includes the following key features e Improves performance by distributing the traffic for a site or domain among multiple servers No one server will be bogged down trying to service a particular site e Provides high availability by tracking which servers are functioning properly and which servers are out of service If a web server unexpectedly goes down the WebMux will direct the traffic to other servers or will bring a standby or backup server online to service the traffic e Provides fault tolerance This installation requires two WebMuxes a primary and a secondary e Easy management It can be managed via a secured web browser session from anywhere in the world e Operating System independent No software or agent to load on the web servers Non intrusive load failure detection and management e Provides Proxy function When communication is initiated from behind the WebMux the WebMux will substitute its own address for the internal address This allows the web servers to initiate communication for services such as credit card validation and mapping services e Informs you of the status of your network It provides pager notification so that the network administrator can be paged whenever a server or WebMux goes down and when they retu
12. P User Specify Generic no port scan TCP UDP User Specify Scheduling method The scheduling method is the way in which traffic is distributed among the servers in the farm Eight different methods are supported If you are using a shopping cart service a persistent scheduling method is recommended e Least connections Least connections persistent Round robin Round robin persistent Weighted least connections Weighted least connections persistent Weighted round robin Weighted round robin persistent 33 Red Hil The WebMux User Guide Version 3 5 00 Networks Inc Modify Farm dei nim klan EA inamnat EK luri mal sei Ha Se Remih Home leka Favores EPE Dhawet Wet Mux x dni Help senor Farm IP address and port number These numbers are displayed here for reference purposes These fields are set in the Add Farm screen Once set they are not changeable If they must be changed delete the farm and then add a new one Farm scheduling method Eight different methods are supported e Least connections Least connections persistent Round robin Round robin persistent Weighted least connections Weighted least connections persistent Weighted round robin Weighted round robin persistent Delete Click this button to delete the entire farm CAUTION This function also deletes ALL the servers under this farm Add Server Geil ill Networks inc he WebMux User Guide Versi
13. Please note The Router LAN and Server LAN port are not interchangeable Phone Line Port This port is used by an internal modem It should be connected to a PSTN Public Switched Telephone Network compatible analog phone line Warning Connecting digital phone line to this port will cause permanent damage to the WebMux and void the warranty Phone Set Port Optionally you can connect a regular PSTN analog phone set to this port Please note The phone line port and phone set port are not interchangeable The system will not function properly if the phone line is connected to this port instead Primary Secondary Connect Connect this port to another WebMux in a WebMux Pro installation Connect the WebMuxes with the supplied cable Do not connect anything to this port if only one WebMux is being used Power Switch This switch powers the WebMux on and off When in the off position the front panel power switch is disabled Geinin Networks inc he WebMux User Guide Version 3 5 00 VGA Monitor Port For the initial setup a VGA compatible monitor is required Once the initial setup is complete the monitor is not needed PS 2 Keyboard Port Like the VGA monitor a PS 2 compatible keyboard is required only for the initial setup Power Cord Please use the supplied power cord to connect the WebMux to power source WebMux has 115V 230V AC voltage selector Gei Hill Networks inc The WebMux User
14. bMux User Guide Version 3 5 00 WebMux Packing List e One 1 e One 1 1 WebMux unit e One 1 Power cord e One 1 Phone cord User Manual e One 1 Warranty registration card e One 1 WebMux serial connection cable to connect primary and secondary WebMuxes Geri Hill Networks nc The WebMux User Guide Version 3 5 00 Webmux Main Components Front View Rack Mounting Fan LED Temp Reset Soft Button Power Switch Soft Power Switch This switch toggles power on and off To power off the switch must be pressed and held for 5 seconds Reset Button Press and release the reset button to reset the WebMux This process may take several minutes to complete Temp LED When the power is on the green LED means the WebMux is operating within normal operating temperature range The LED turns red when the temperature detected is higher than the normal range Fan LED When the power is on the LED should turn green to indicate normal fan operation When cooling fan fails the LED will turn red Geri Hill Networks nc The WebMux User Guide Version 3 5 00 Rear View To Power Phone To To Switch Line PhoneSet Router LAN Power 4 VGA To Cored PSi2 Primary Monitor Server Keyboard Seconday LAN Connect Router LAN Port Connect this port to the Router LAN switch or hub Server LAN Port Connect this port to the Server LAN switch or hub
15. bMux User Guide Version 3 5 00 You are now ready to configure WebMux 18 Get Hill Networks inc The WebMux User Guide Version 3 5 00 Configuration Summary CAUTION Do not proceed without collecting the necessary information e Connect the monitor and keyboard to the WebMux e Turn onthe WebMux e After self test the WebMux will display the first question Enter WebMux host name e During the initial configuration you will be asked to provide names and IP addresses See next section Each item is explained in the order it is asked e Answer the questions Reboot Note When reboot is complete the first question will re appear e The monitor and keyboard are now no longer needed If you prefer disconnect the monitor and keyboard e Run the Management Browser Initial Configuration Enter WebMux Host Name This is the name of the WebMux It is used for identification purposes You may call it webmux1 webmux2 etc Note This question re appears when the Initial Configuration is finished and the WebMux completed its reboot Enter WebMux Domain Name lt is for identification only Although it can be any name we suggest using the primary domain name of the Router LAN network If you have only one domain use that domain name Router LAN Information Enter Router LAN WebMux Proxy IP Address This is the IP address that the WebMux uses as the external IP address when it functions as a proxy T
16. browser Q Will my web server be able to communicate to a credit card validation service Yes Any communication initiated from the internal or private network the WebMux will substitute the IP address of its router LAN interface for the IP address of the host initiating the conversation Any service that requires a specific IP address to allow communication into their 46 Geinin Networks inc he WebMux User Guide Version 3 5 00 network the IP address of the router LAN interface must be the one provided Q Can use the WebMux as a proxy server for other hosts in my internal network Yes The function that allows the web servers to talk to services such as the credit card validation allows the WebMux to tunction as a proxy server for any host in the internal network The WebMux will translate all internal addresses to the IP address of the first farm defined This is the farm that is created when answering the question Enter Router LAN WebMux proxy IP address 47
17. changed Enter Admin http Port Number This is http port number for the Management Browser in non secure mode Any unused port number above 1024 can be used For example one could use 080 for this Enter Admin https Port Number This is the https port number for Management Browser in secure mode For example 7443 could be used for this Is this a Primary WebMux If this is the Primary answer Yes lf this is the Secondary WebMux answer No The next question will be Reboot Now Is this WebMux running solo without a backup WebMux lf the Primary WebMux is running in a standalone configuration see sample configuration Standalone WebMux answer Yes Primary WebMux Information Enter Server LAN Gateway IP address This IP address will be the Default Gateway entry for all the web servers on the server LAN In an installation with two WebMuxes if a gateway IP address of 10 1 1 1 is used this address will float between the primary and secondary WebMux When the Primary is down the Secondary becomes 10 1 1 1 In the single WebMux setup this address CANNOT be the same as the WebMux IP interface address on the Server LAN This question is not asked for the Secondary WebMux Re initialize your config file with Admin farm 21 Geri Hill Networks ne The WebMux User Guide Version 3 5 00 This selection is typically for a primary and secondary installation or if you are running passive FTP Answer Y to ad
18. d New Password Enter the new password This is the password to which the login will be changed New Password Again Enter the same password as in the previous box Confirm Cancel Click Confirm to execute the change Click Cancel to return to the previous screen WITHOUT changing the password Set Clock Click this button to go to the Set the Clock page The time and date of the WebMux then can be set 28 ed Hill Networ ks nc The WebMux User Guide Version 3 5 00 lig Avallabi lity Solution utian set the clock UTC recommended month 1 12 E day ofthe m month ee year e g 2000 2000 hour 0 23 fig mirate 10 59 36 dima zone o7 00 HESTAFLIT Month Enter the number of the month 1 through 12 Leading zeroes are not necessary Day of the Month Enter the day of the month 1 through 31 Year Enter the year Enter all 4 digits Hour Enter the hour of the day Use the 24 hour clock or military time Minute Enter the minute of the hour Note The recommendation is to set the WebMux clock to UTC GMT time Time Zone Select the time or hour offset to the UTC GMT time Confirm Cancel Click Confirm to execute the date and time change Click Cancel to return to the previous screen WITHOUT making any date or time changes 2
19. d a secured and unsecured Administrative farm to the WebMux configuration By creating an Admin farm the WebMux will not let FTP use the admin port Also this allows status page to be reached if one of the WebMuxes is not available This question is not asked for the Secondary WebMux Reboot now This is the end of initial configuration Most of the setup or changes require a reboot to take effect Answer Y to reboot Note After the reboot is complete the first question Enter WebMux host name will re appear At this time the Initial Configuration is complete and you can access the WebMux from Management Browser lf the any of the questions were not answered correctly type N The WebMux will not reboot and prompt with the first question Enter WebMux host name 22 Geri Hill Networks nc The WebMux User Guide Version 3 5 00 Webmux Management Browser After the Initial Configuration the web browser does all of the WebMux management The following explains each of the easy to use management browser screens e Login e Administration Setup Page o Change Password o Set Clock Status Add Farm Modify Farm Add Server Modify Server Login Start Login Page e Start web browser e Set URL to http webmuxip webmuxporticgi bin login o webmuxip is the IP address of the WebMux o webmuxport is the management port address of the WebMux The default ports are 7080 for an unsecured conn
20. different from the server LAN gateway address In an installation with a primary and secondary WebMux each must have a unique address Therefore two IP addresses are required for each WebMux interface that connects to the Server LAN These IP addresses cannot be your Internet registered addresses They must be Internet non routable For example you can assign addresses in a 10 0 0 0 network or a 192 168 199 0 etc Enter Server LAN Network IP Address Mask This is the network mask of the Server LAN For a class A network it may be 255 0 0 0 Enter Server LAN Network IP Address This is the Server LAN s network address It is usually the WebMux IP address with the network mask above applied If the IP address of the WebMux interface on the Server is 10 1 1 10 class A then the Server LAN network address is 10 0 0 0 Enter Server LAN Broadcast IP Address 20 Get Hill Networks inc The WebMux User Guide Version 3 5 00 This address is normally obtained by setting the host bits of the network mask to 255 all bits to 1 It is then applied to the WebMux IP address above For example a broadcast address may be 10 255 255 255 Administration Setup Information Remake home webmux conf passwd This function is provided in case you have forgotten the passwords to access the Management Browser Use Management Browser for normal password changes Answer Y to reset the Passwords to factory default Answer N to leave them un
21. ection and 7443 for the secured connection e The following login page will appear Note In order for the browser to manage the WebMux the browser must be set to accept all cookies 23 The WebMux User Guide Version 3 5 00 De Hicrozofi Inizanel Explorar OOO O DO RR RNA A T Reed ea a E ME rary H rae a E a E Am a Reb Hoe es EE 255 High Availability Solution mee dusi built in scalab bility webserver loadbalancer GA Hill Networks Inc Nu KE welcome to proto0 redhillnetworks com UserID superuser Password OT Atd Hill Meters Ine All dahh iriti 24 Geinin Networks ne he WebMux User Guide Version 3 5 00 User ID There are two preset user IDs e Super User Allows access to all screens and functions provided by the WebMux e WebMux Does not allow the user to access or change any settings within the setup screen Password Fill in the correct password for the selected User ID The password Is case sensitive The default passwords are Password lt is recommended to change the passwords periodically Login After entering the correct password click Login Note For first time setup please login as Super user and go to the Administration Setup by clicking the Setup button It is important to set up the Server Farm Gateway IP address and network mask first 20 Ger Hill The WebMux User Guide Version 3 5 00 Administration S
22. ervers view the WebMux is on the same network as the servers However since the WebMux uses a different network mask it sees each of its interfaces on a different network A WebMux can be installed in the above network according to the following procedure 1 The Network BEFORE the WebMux o This network is a class A network o All servers and the firewall use a network mask of 255 255 0 0 o The network address is 10 1 0 0 2 To install the WebMux o Connect both WebMux interfaces the interface to the router LAN and the interface to the server LAN to the network switch or hub o The IP addresses for the WebMux are assigned addresses in the high range assuming they would be available o Assign the IP address of 10 1 2 254 with a network mask of 255 255 255 0 to the WebMux server LAN interface o Assign the Gateway address the one that will be the Default Gateway for the web servers as 10 1 2 253 The network mask will be 255 255 255 0 3 An example of a farm address is 10 1 1 200 4 In each web server assign the default gateway of 10 1 2 253 5 In each web server add the route statement route add 10 1 1 1 10 1 2 253 Ged Hill Networks inc The WebMux User Guide Version 3 5 00 Weomux Configuring the WebMux Before you Start Please collect information about the names and IP addresses pointed by the arrows in the network topology below Router LAN Internel Rauter IP Metemrk IF address
23. ess Router LAN Network IP Address Mask Router LAN Network IP Address Router LAN Broadcast IP Address Internet Router LAN gateway IP address Server LAN Information Server LAN WebMux IP Address Server LAN Network IP Address Mask Server LAN Network IP Address Server LAN Network Broadcast Address Administration Setup Information Remake home webmux coni passwd Administration HTTP Port Number Secure Administration HTTP Port Number Is this WebMux primary WebMux running solo without backup WebMux Information server LAN Gateway IP Address Server LAN Network Mask Reboot A I AA IS AAA IS 44 Get Hill Networks inc The WebMux User Guide Version 3 5 00 Secondary WebMux for a redundant installation Question Entry Redhill2 Redhill gt Router LAN Information Router LAN WebMux proxy IP Address Router LAN Network IP Address Mask Router LAN Network IP Address Router LAN Broadcast IP Address Internet Router LAN gateway IP address Server LAN Information Server LAN WebMux IP Address Server LAN Network IP Address Mask Server LAN Network IP Address Server LAN Network Broadcast Address Administration Setup Information a Remake home webmux conf passwd Administration HTTP Port Number Secure Administration HTTP Port Number pS Ged Hill Networks inc The WebMux User Guide Version 3 5 00 W epmux FAQs Q lf have multiple servers assigned as STANDBY how does the WebMux ch
24. et Up E simin conikguralion Heticapa EEN setup for proto 05 redhilinetworks com Please acter wr trmnation below Liso as dradar fos multiple enbigs Multiple rings ara not allowed for ihe Somir gateway control ports or warning threshold The ems wih laka eect on neri rec det allowed remole hosi IPs paging algorithm dialout pro ix blank nena pager alias numbers 168 11 1 3 WebMux http control port soso Wibi Mips onirol port 5443 confeccion nik M ines hodd ICMP pm ipui poke cy w pp SSS n TEN Allowed remote host IPs The WebMux management software only allows logins from these IP addresses to establish a management session You can access from more than one IP address by specifying all the allowed IP addresses separated by a If this field is left blank you can access the management software from any IP address When IP addresses are entered you can only access it from the IP addresses in the field This field is blank by default Paging Algorithm e Standard This selection is for the standard paging services The WebMux waits 5 seconds after the paging number is answered before sending the page message e Alternate This selection is for the paging services that require a longer delay The WebMux will wait 10 seconds after the paging number is answered before sending the page message Dialout prefix some phone systems require a prefix for ou
25. face connects to the Router LAN The other interface connects to the Server LAN e The WebMux translates the Internet addresses to an Internet non routable C address In this example the subnet mask is 255 555 255 0 The IP 10 Geri Hill Networks ne The WebMux User Guide Version 3 5 00 address of the WebMux interface attached to the Server LAN is 192 168 199 251 e The Default Gateway for all the servers is 192 168 199 1 e Farm 1 IP address is 205 133 156 200 Servers 1 and 2 serve Farm 1 e Farm 2 IP address is 205 133 156 210 Servers 2 and 3 serve Farm 2 Note All IP addresses must be Internet non routable address so that the source address from the Internet does not conflict with the IP addresses on the Server LAN Note If there is a firewall between the WebMux and the Internet Router a rule must be defined in the firewall to allow the IP address of the WebMux interface on the Router LAN along with the farm IP address to communicate out to the Internet on all ports If you are doing Network Address Translation of the farm address to a non routable address then both the farm address and WebMux interface address must be translated to communicate outbound on all ports 11 Get Hill Networks inc he WebMux User Guide Version 3 5 00 Redundant Installation EE EE EE AAA ITI Internet Router 205 133 156 1 Router LAM Virtual Farm 1 205 133 156 200 Virtual Farm 2 205 133 156 210
26. ge alarms Configuration access m a n connections Port mapping Port specific services a Ee Te e T ve 1 Security Features pm gm po Translation TCP SYN protection Yes Yes Ye TCP DoS protection Yes Yes Yes ISSL support Yes Yes Yes Device Support Maximum virtual Unlimited Unlimited Unlimited servers Maximum real servers 255 65 532 65 532 Device s role in the ISP router ISP router ISP router network UDP based service Yes Yes Yes support Misc Overnight Exchange Service Service Service Unit Contract Contract I IF Free Email Support Free Phone Support es Ged Hill Networks inc The WebMux User Guide Version 3 5 00 Network Overview LJ E TA nal Internal PE Irdadnji Senter a Fire Sate Server LAN Sanmer j Demer Sere J Semer if T 7 HG EGE Eas BM i aH TE HE GE EE GE GE ae E Virtual Farm Pi The main purpose of the WebMux is to balance the traffic among multiple web servers The diagram above shows an installation with two WebMuxes In this configuration one WebMux serving as the primary and the other serving as the secondary or backup provides a fault tolerant solution In order that the web servers can share the incoming traffic the WebMux musi be connected to the network There are two interfaces on the WebMux One interface connects to the Router LAN This is the network to which the Interne
27. his IP address is referred to as the first farm When any server behind the WebMux on the Server LAN initiates communication with another host the WebMux substitutes the servers IP address with this address Enter Router LAN Network IP Address Mask 19 Get Hill Networks inc The WebMux User Guide Version 3 5 00 This is the network mask of the Router LAN network It is usually 255 255 255 0 for class C networks Enter Router LAN Network IP Address This is the network address of the Router LAN It is usually the WebMux IP address with the network mask above applied For example in a class C network a network address is 192 168 199 0 Enter Router LAN Broadcast IP Address This address is normally obtained by setting the host bits of the network address to 255 all bits to 1 An example of a broadcast address is 192 168 199 255 Enter Router LAN gateway Address This address is normally the gateway address of your existing server s before adding the WebMux This would be the IP address of the Internet router s Ethernet port that connects to the Router LAN However if there is a firewall then this is the IP address of the firewall interface that connects to the same LAN as the Router LAN interface of the WebMux Server LAN Information Enter Server LAN WebMux IP Address This is the IP address of the WebMux interface that connects to the Server LAN These IP address must also be unique This address must be
28. ll Networks ne The WebMux User Guide Version 3 5 00 When there are no connections the server is functionally dead or off line until the weight is changed back to a valid number Then the server can then be shutdown or taken out of service without affecting any users Caution Unlike a server that can go down unexpectedly the WebMux will not move a STANDBY server to ACTIVE when one or more server s weight is set to zero If the weight of all the servers in a farm were set to zero then the farm would be down because none of the servers are accepting new connections Run State e Active The server will be put into service immediately after it is added e Standby The server will be put into STANDBY or backup mode after it is added The WebMux will change a STANDBY server to ACTIVE when one or more ACTIVE servers fail 37 Red Mil The WebMux User Guide Version 3 5 00 Modify Server modi rorvor Microscale Inteiriet CERDO Ele Edt Wew Go Faventes Helo To a ENTES lee Shop Re eth Home Search ost 2 papi Ma Address D hops 192 168 10 100 BTBRAc giba ce _e oD 00609 04060001 000000070001 Ve y ll iy 11 54 High EIS re ae li litin a E ebenean ih Networks Inc modify server This server is cunerdly ACTMVATED ALIVE Cunardly there ara D canmeclions thegugh this serar _____serveriPaddress 192 168 11 server port number weight run state
29. n the firewall to allow the IP address of the primary and secondary WebMux interfaces on the Router LAN in addition to the farm IP address to communicate out to the Internet on all ports If you are doing Network Address Translation of the farm address to a non routable address then the farm address and both WebMuxes interfaces must be translated to communicate outbound on all ports 13 Get Hill Networks inc The WebMux User Guide Version 3 5 00 Installation Without IP Address Change Router IH 131 111 10 1 IH 131 111 10 2 I Firewall IH 10 1 1 1 MN 255 255 0 0 Web Server 1 IH 10 1 2 100 255 2455 00 Route add 11 1 1 1 10 1 2 253 Web Server 2 IP 10 1 2 701 455 255 00 Route add 10 1 1 1 10 1 2 253 GAN 10 1 2 253 E MiMi 255 255 255 0 Farm 10 1 1 200 Serer LAN Interface IP 10 1 2 2547255 255 255 0 SOIL Server IH 10 1 2 20 255 255 0 0 Geocode Server IH 10 1 2 30 2255 255 0 0 The above diagram is an example about how to install the WebMux without changing the IP addresses of the web servers and other servers that already 14 Ged Hill Networks inc The WebMux User Guide Version 3 5 00 exist on the network This is particularly helpful when a complex network of servers already exist in the DMZ In this configuration all the servers still remain on the same IP network and can communicate From the s
30. on 3 5 00 Click this button to add a new server to this farm 39 Fea nn Networ The WebMux User Guide Version 3 5 00 Add Server Muda turent Mictoroll Intornot Explore e 0 ao a 39 32 39 E F Ma Bak Fired Sp Rehesh Home Search o Fawottes Hilos Chamet Address 2 hipa 168 10 OPE edd cht add server farm 192 168 10 100 30 server IP address server port number weight run state Ge Do Aed HE abi lo Al ghee eed al _ _ a aan Server IP Address This is the IP address of the server to be added CAUTION Once the server is added the IP address cannot be changed To correct the IP address the server must be deleted and a new one be created Server Port Number Enter the port number of the server to be added CAUTION Like the IP address once created the port number cannot be changed To correct the port number the old server needs to be deleted and a new one to be created Weight Scheduling priority weight Valid integer numbers are between 1 and 100 A server that has a weight of 2 will be directed twice as much traffic as a server with a weight of 1 A special zero weight setting is provided for a graceful shut down of a server When the weight is changed to zero the WebMux will not accept new connections but will maintain all current connections to the server The connections will gradually reduce to zero as current clients sessions terminate 36 Geri Hi
31. oose which server to use if an ACTIVE server goes down The WebMux checks the standby servers in orders and activates each one until their total weight meet or exceeds the server that is unavailable Will a server with weight 0 act as a STANDBY No A weight of O indicates that the server will not accept any new connections The state is considered neither ACTIVE nor STANDBY VO Q Is the Server LAN and the Router or Front LAN required to be on separate IP subnets lt is required that the server LAN and the router LAN be separate IP subnets U What paging services are compatible with the WebMux Airtouch and PageMart are the services that are currently supported lf I m running a Unix based FTP such as wuftp how can get the ftp service to resolve the WebMux IP addresses The IP addresses typically will not be able to be resolved since they are typically non routable or private network addresses In order for wuttp to resolve place the entries in the etc hosts file vO FO How many browsers can simultaneously access the WebMux The limit is 4 cant login with my browser To use your browser to manage the WebMux it must be set to accept all cookies VO PO O have added a new farm server but the changes are not showing up on the STATUS screen The web browser caching pages may cause this If the new configuration does not appear after clicking on Reload or Refresh then clear the cache or temporary files on the
32. rewall Address Webserver s Default Gateway Configuration After WebMux Installation Host Name Domain Name Router LAN Information Router LAN WebMux Proxy IP Address Router LAN Network IP Address Mask Router LAN Network IP Address Router LAN Broadcast IP Address Internet Router LAN Gateway IP address Server LAN Information Server LAN WebMux IP Address Server LAN Network IP Address Mask Server LAN Network IP Address Server LAN Network Broadcast Address Administration Setup Information Remake home webmux coni passwd Administration HTTP Port Number Secure Administration HTTP Port Number Is this WebMux primary WebMux running solo without backup WebMux Information server LAN Gateway IP Address Server LAN Network Mask Reboot IP Address 132 180 160 1 132 180 160 1 Redhill Redhill IO A 132 180 160 252 255 255 255 0 132 180 160 0 132 180 160 255 132 180 160 IA IA 192 168 100 251 255 255 255 0 192 168 100 255 IS CA NA 9280 192 168 100 0 Y 9443 A nn 192 168 100 1 255 255 255 0 IO 43 Get Hill Networks inc The WebMux User Guide Version 3 5 00 Primary WebMux for a redundant installation Configuration Before WebMux Installation Internet Router or Firewall Address Webserver s Default Gateway IP Address 132 180 160 1 132 180 160 1 Configuration Before WebMux Installation Host Name Domain Name Router LAN Information Router LAN WebMux Proxy IP Addr
33. rn online Ger Hill The WebMux Family The WebMux family consists of three models They are The WebMux User Guide Version 3 5 00 e The WebMux LE e The WebMux e The WebMux Pro The table below compares the features of the models WebMux WebMux WebMux LE Pro Topologies PP Ethernet Fast Yes Yes N A Ethernet GB Ethernet N A N A Yes 1000Base SX Balancing Method PH JP Rou nd Robin Yes Yes Yes Persistent Round Vie Vise ves Robin Wei hted Round Ves ves Ves robin Persistent Weighted Yes Yes Yes Round robin Least Connections Yes Yes Yes Persistent Least Yes Yes Yes Connections Weighted Least Yes Yes Yes Connections Persistent Weighted Yes Yes Yes Least Connections Fault Tolerance PH JP Diskless Design Yes Yes Yes Port aggregation Yes Yes Yes Failover via network Optional Optional Optional connection IF Failover via serial link S Service aware Server aware Yes Yes Yes Backup server Yes Yes Yes Performance fF Maximum concurrent 360 000 1 440 000 5 760 000 Ger Hill Networks inc The WebMux User Guide Version 3 5 00 connections TT l o o Maximum new 4 000 8 000 60 000 connections per second Maximum throughput 200 MBits 200 MBits 2 GBits per second Maximum Internet T3 2 X T3 1 5 X OC 12 Link Speed Management Secure web browser Yes Yes Yes access In service Not in service Pa
34. t router is connected The other interface is connected to the Server LAN This network connects all the web servers Next a Virtual Farm or multiple farms must be configured on the WebMux The farm then consist of the group of servers that service the same domain or website For example to configure a farm or virtual farm to serve www redhillnetworks com e First Server 1 and Server 2 would each need the website www redhillnetworks com to be configured on Server 1 and Server 2 and Gea hill Networks inc The WebMux User Guide Version 3 5 00 e Second a farm on the WebMux would be defined with Server 1 and Server 2 in it The servers would be setup to either share the traffic or setup as a primary server and standby server In either case if Server 1 goes down then all traffic is directed to Server 2 In addition a firewall such as our FireSafe can be used to protect the internal web server network from the Internet Gei Hill Networks inc The WebMux User Guide Version 3 5 00 Weomux Sample Configurations Single WebMux Internet Router 205 133 156 1 Router LEM Virtual Farm 1 Virtual Farm 2 205 133 156 200 205 133 156 210 Default Gateway WebMux 192 168 199 1 192 168 193 251 i i Server 1 Server 2l Server 3 192 168 199 10 192 168 7199 BO 142 165 134 30 PA I Default Gateway 192 168 199 1 e This installation requires one WebMux e One WebMux inter
35. t port By default the port is 7443 You can change the port if so desired Connection warning threshold The WebMux monitors the number of connections established When the number of connections is greater than the value entered the WebMux will page the designated numbers For example if a DoS attack is occurring the number of connections to the site would be extremely high Assuming they exceeded the value set for the connection warning threshold the designated numbers would be paged ICMP Packet input policy e Accept The WebMux will allow all ICMP packets to travel through the WebMux e Deny The WebMux will NOT allow any ICMP packets to travel through the WebMux Note During installation having the ability to PING the other hosts on the networks is typically useful When the installation is complete setting the ICMP packet policy to DENY is recommended as a security precaution Reboot Changes to server gateway address server farm network mask and WebMux http control port and WebMux https control port require a reboot of 21 ed Hill Networ ks nc The WebMux User Guide Version 3 5 00 the WebMux to take effect You can use the Reboot button to reboot the WebMux remotely Change Password change password name Fwetbihu new password new password again i i 71 a Lal j j La mm ro E Name Select the login name for which the password is to be change
36. tside phone numbers If a prefix is required enter it here Leave it blank if a prefix is not required 26 Geinin Networks Inc he WebMux User Guide Version 3 5 00 Pager phone numbers This is the pager phone number to be dialed when an abnormal condition occurs Enter the number without any of the special characters or spaces It should be in the format of a single long integer Add 1 and the area code if needed Do not use or or blank spaces Server gateway IP address The WebMux appears to all the servers under it as a gateway or router This is the IP address for the WebMux to assume the router role for the servers Please note For first time setup it is very important to set up this address and the Server Farm network mask below first Also when setting up the servers you may be asked to fill in the default gateway IP address for the server Use this IP address to setup all the servers under tt The WebMux will not function properly if this IP address is not set correctly for both WebMux and the servers WebMux http control port Since WebMux does the address translation for the incoming traffic the HTTP port for the management console must be set to a different port By default the port is 7080 You can change the port if so desired WebMux https control port Since WebMux does the address translation for the incoming traffic the HTTPS port for the management console must be set to a differen
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