Avaya Engineering Tips and Tricks, March 2004, Vol 9 User's Manual
Contents
1. Interface SMI Shelf Configuration Shelf Role B 0PTera Metra System Manager a alol x Fie Edit View Fault Configuration Admin Performance Security Help Critical Major Minor Warming Network CSE Lab E E o o Selected Shelws Bridge snow 116 0 Mas Fault Equipment Connections Configuration aamin Performance Monitor Secunty Naming Communi ications Surmatance ShoitList The Shelf Role under the Configuration Naming tab is system defined The operator cannot change those roles It is established by the system when the configuration is completed These roles are all independent roles within the OM5000 They could all apply to any one given shelf but a shelf could have any single one of those roles as well or none of course P Primary shelf The shelf in an OM5000 network which collects and distributes OM5000 network information referred to as the shelf list from to the other shelves Commonly configured to be the same as a Gateway Network Element GNE shelf but this is not a requirement G GNE alternately known as the DCN gateway or just the gateway An OM5000 shelf that is designated as a communications gateway between the Optical Metro 5000 series network and the customer s DCN H SMI host shelf The shelf on which the SMI session has been started The SMI is commonly started on a GNE shelf so it is common to see the G and H roles together NORTEL N2. 0 252 0 0 0 8 0 0 0 248 0 0 0 16 0 0 0 240 0 0 0 32 0 0 0 224 0 0 0 64 0 0 0 192 0 0 0 128 0 0 0 128 0 0 0 NORTEL NETWORKS ETHERNET SWITCHING BayRS 15 5 ICMP Enhancement With the release of 15 5 comes an ICMP enhancement that brings the BayRS routers in line with Linux Cisco and established networking standards Prior to the 15 5 release ICMP echo request packets generated by a BayRS router contained a fixed ICMP identifier with no options to change this behavior This lack of unique identifiers in ICMP packets could cause errors when a BayRS router tries to ping 2 different hosts behind a NAT PATed network For example a Cisco router running NAT PAT would encapsulate the echo replies coming from the NATed hosts but would use a different ICMP identifier when sending the replies back to the BayRS router This would cause errors on the BayRS router since the source identifier did not match the reply In order to fix this problem the BayRS team has provided the option of enabling ICMP unique identifiers thus allowing the router to send ICMP echo request packets with a unique identifier in each packet This IP option is disabled by default To enable it do the following at the BCC prompt bcc gt config box ip ip icmp echo request unique id enabled Engineering Tips amp Tricks your source for relevant pre and post sales engineering information OPTICAL ENTERPRISE OPTera Metro 5000 System Management
3. ETWORKS Engineering Tips amp Tricks your source for relevant pre and post sales engineering information RICH MEDIA SERVICES MCS 5100 Getting IPCM Processes Up After Rebooting Server After rebooting an IPCM server the iPlanet processes may not startup properly forcing the system administrator to manually start some processes A case has been opened to address this and the fix will be incorporated in a future software maintenance release Until then you can work around this problem by Log into the IPCM as user root Go to directory etc init d Use the Unix vi editor to modify the startconsole init file so it looks exactly like this 1 bin sh echo Starting Console opt iPlanet servers startconsole IMS web bin web startWeb Save the file and reboot the server All processes will now come up after reboot Give the server 3 4 minutes for everything to come up before having users log on SECURITY VIRTUAL PRIVATE NETWORK Contivity Secure IP Services Gateway Tech Tips e CRL Retrieval e Netscreen peer to peer tunnel using pre shared key authentication e Netscreen IPSec peer to peer tunnel using certificates authentication MORE ABOUT ENGINEERING TIPS amp TRICKS There are many ways in which to read the monthly If you are authorized Nortel Networks Channel Partner you can receive it through our bi weekly Partner NewsFlash PNF Sign up for access to our password protected website Partner In
4. NO eo Engineering Tips amp Tricks your source for relevant pre and post sales engineering information Volume 9 March 2004 Did You Know IN THIS ISSUE Optivity Policy Services BayStack IP Traffic Policy Hint Did You Know There are times when it is necessary e Optivity Policy Services BayStack IP Traffic Policy Hint for a customer to configure a port based traffic policy on a network element with the all inclusive IP address range of 0 0 0 0 0 This traffic Ethernet Switching e BayRS 15 5 ICMP Enhancement condition is useful to rate limit Optical Enterprise applications or to protect against e OPTera Metro 5000 System Management Interface SMI Shelf certain Denial of Service DoS attacks Configuration Shelf Role When using Optivity Policy Services Rich Media Services 3 0 or higher to establish these criteria e MCS 5100 Getting IPCM Processes Up After Rebooting Server on a Baystack 460 470 or mixed stack BoSS 3 0 it is not possible to use the Security Virtual Private Network ANY ANY or 0 0 0 0 0 0 0 0 values e Contivity Secure IP Services Gateway Tech Tips in the address fields To achieve the equivalent result apply this complete More about Engineering Tips and Tricks list of IP subnets and masks to the IP e Accessing Previous Editions Address Ranges menu e Subscribing to eNewsletters IP Address Mask 1 0 0 0 255 0 0 0 2 0 0 0 255 0 0 0 3 0 0 0 255 0 0 0 4 0 0
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