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1.    and IDP    J4350 SMB2 CS 3 Three year security subscription for Enterprise    includes Kaspersky AV  WF  Sophos AS    and IDP    Interface Modules  Various choices  see page 14     JXH HC2 S Cryptographic Acceleration Module  to be used with  J2350 JB SC only    J2350 Base Systems and Options    MODEL NUMBER DESCRIPTION    J2350 Base System    J2350 JB SC J2350  Junos OS  base memory  512 MB   5 PIM slots     SW security  AC power supply  19    rack mount    J2350 JB SC DC J2350  Junos OS  base memory  512 MB DRAM   512 MB Flash   5 PIM slots  SW encryption  DC power    supply  19    rack mount    J2350 JH J2350  Junos OS  high memory  1 GB DRAM   512 MB Flash   3 PIM slots  HW encryption  AC power  supply  19    rack mount   J2350 JH DC J2350  Junos OS  high memory  1 GB   5 PIM slots     HW Crypto  DC power supply  fan filter  19    rack  mount    J2350 JB SC DC N  J2350  Junos OS  base memory  512 MB   5 PIM slots   TAA SW Crypto  DC power supply  fan filter  NEBS  TAA   19    rack mount    J2350 JB SC TAA J2350  Junos OS  base memory  512 MB   5 PIM slots     SW Crypto  AC power supply  TAA  19    rack mount    J2350 JH DC N TAA J2350  Junos OS  high memory  1 GB   5 PIM slots   HW Crypto  DC power supply  fan filter  NEBS  TAA     19    rack mount    J2350 JH TAA J2350  Junos OS  high memory  1 GB   5 PIM slots     HW Crypto  AC power supply  TAA  19    rack mount  J2350 Options    Additional DRAM for J2350 without encryption acceleration   DRAM upgrades must be insta
2.   512 MB 1GB    Yes    Dimensions  W x H x D     Weight    Rack mountable   Power supply  AC    Average power consumption  Input frequency   Maximum current consumption    Maximum inrush current    17 5 x1 75x15 1in   445 x 44 x 383 mm     15 lb  6 8 kg     No interface modules     16 6 lb  7 6 kg   3 interface modules    Yes  1 RU   100 240 VAC  275 W  80 W   47 63 Hz   3 2 A   100 VAC  30A    175x175x15  1i     445 x 44 x 383 mm     16 lb  73 kg     No interface modules     19 lb  8 6 kg   5 interface modules    Yes  1 5 RU   100 240 VAC  300 W  80 W   47 63 Hz   3 5 A   100 VAC  32A    17 5 x 3 5 x 21 5 in   445 x 89 x 546 mm     23 lb  10 4 kg     No interface modules     25 3 lb  11 5 kg   6 interface modules    Yes  2 RU   100 240 VAC  350 W  143 W   47 63 Hz   5 7A   100 VAC   32A    17 5 x 3 5x21 5in   445 x 89 x 546 mm     25 lb  11 3 kg    No interface modules   1 power supply   30 7 lb  13 9 kg    6 interface modules   2 power supplies    Yes  2 RU   100 240 VAC  420 W  166 W   47 63 Hz   5 7A   100 VAC   42A    SPECIFICATION J2320 J2350 J4350 J6350    Dimensions and Power  continued     Average heat dissipation  Maximum heat dissipation    Power supply  DC     Redundant power supply  hot swappable     Acoustic noise level     Note  Per ISO 7779 Standard     Environment    Operational temperature    Nonoperational temperature    Humidity    Mean time between failures   Telcordia model     273 BTU hour  1091 BTU hour  NA   No   40 0 dB    32   to 1229 F   0   to 50 
3.   C     4   to 158   F    20   to 70   C     10 90  noncondensing    7 2 years    Certifications and Network Homologation    Safety certifications   EMC certifications   Network homologation  Canada   Safety certifications   EMC certifications   Network homologation  Australia   Safety certifications    EMC certifications    Network homologation    New Zealand  Safety certifications    EMC certifications    Network homologation  Japan   Safety certifications   EMC certifications    Network homologation    European Union  Safety certifications    EMC certifications    Network homologation    UL 60950 1  FCC Class B  TIA 968    CSA 60950 1  ICES class B  CS 03    AS NZS 60950 1  AS   NZS CISPR22 Class B    AS   ACIF S 002  S 016  S  043 1  S043 2    AS NZS 60950 1  AS   NZS CISPR22 Class B    PRICAM PME 278     CB Scheme  VCCI Class B    Certificate for Technical  Conditions    EN 60950 1    EN 55022 Class B  EN  300386    CTR 12 13  CTR 21  DoC    273 BTU hour   1195 BTU hour    48 to  60 VDC  300 W  No   59 2 dB    32   to 1229 F   0   to 50   C     40 to 158   F    20   to 70   C     10 90  noncondensing    6 8 years    UL 60950 1  FCC Class B    TIA 968    CSA 60950 1  ICES class B    CS 03    AS NZS 60950 1    AS   NZS CISPR22 Class  Blo    AS   ACIF S 002  S 016  S  043 1  S043 2    AS NZS 60950 1    AS   NZS CISPR22 Class  Blo    PTC 217  PTC 273    CB Scheme  VCCI Class B      Certificate for Technical  Conditions    EN 60950 1    EN 55022 Class B   EN  300386    CTR 12
4.   RSA Keon   iPLanet   Netscape    Baltimore    DoD PKI    256 512   512 MB 1GB DRAM     256 512   512 MB 1GB DRAM     Yes    Yes    Yes    125  Yes  yes  Yes    Yes    RADIUS  RSA SecurelD     LDAP  Yes    Yes    Yes    VeriSign  Entrust   Microsoft  RSA Keon   iPLanet   Netscape    Baltimore    DoD PKI    256 512   512 MB 1GB DRAM     256 512   512 MB 1GB DRAM     Yes    Yes    Yes    125  Yes  Yes  Yes    Yes    RADIUS  RSA SecurelD     LDAP  Yes    Yes    Yes    VeriSign  Entrust   Microsoft  RSA Keon   iPLanet   Netscape    Baltimore    DoD PKI    512 1024   1GB 2GB DRAM     512 1024   1GB 2GB DRAM     Yes    Yes    Yes    125  Yes  No  Yes    Yes    RADIUS  RSA SecurelD   LDAP    Yes    Yes    Yes    VeriSign  Entrust   Microsoft  RSA Keon   iPLanet   Netscape    Baltimore    DoD PKI    Maximum number of security zones  Maximum number of virtual routers    Maximum number of VLANs    256    256    512    1024    SPECIFICATION J2320 J2350 J4350 J6350    Encapsulations    Ao ee E T   E E   E E ET z perira aE   naciai ear  MLPPP maximum physical interfaces 6 10 12 12  Frame Relay Yes Yes Yes Yes  MLFR  FRF  15  FRF  16  Yes Yes Yes Yes  MLFR maximum physical interfaces 6 10 12 12  HDLC ves Yes Yes Yes  Address Translation    oe ive F T 3 Sey rote sah ae 2a PENNAT E POEST TOENE O TEA E   pics NEREIS E z EL P E E   EDE OUES EEIN EREN   PAT   Static NAT Yes Yes Yes Yes  Destination NAT with PAT Yes Yes Yes Yes  IP Address Assignment  i T E E a E E E TEE AE TE T ih EE EAE EE os
5.  1GB 256 MB 256 MB  1GB 512 MB     2GB 512 MB 512 MB    256 MB    256 MB 256 MB  512 MB    512 MB 512 MB    Specifications    Protocols  IPv4  IPv6  ISO Connectionless Network Service  CLNS     Routing and Multicast  Static routes  RIPv2  OSPF  BGP  BGP Router Reflector  IS IS  Multicast   Internet Group Management Protocol  IGMPv3    PIM  Session Description Protocol  SDP   Distance Vector  Multicast Routing Protocol  DVMRP   source specific     MPLS    IP Address Management  Static  Dynamic Host Configuration Protocol  DHCP   client  and server   DHCP relay    Encapsulations  Ethernet  MAC and tagged   Point to Point Protocol  PPP   synchronous       Multilink Point to Point Protocol  MLPPP   Frame Relay      Multilink Frame Relay  MLFR   FRF 15  FRF 16   High Level Data Link Control  HDLC   Serial  RS 232  RS 449  X 21  V 35  EIA 530   802 1q VLAN support  Point to Point Protocol over Ethernet  PPPoE     Traffic Management  Marking  policing  and shaping  Class based queuing with prioritization  Weighted random early detection  WRED   Queuing based on VLAN  data link connection identifier  DLCI    interface  bundles  or filters    Security  Firewall  zones  screens  policies  Stateful firewall  ACL filters  Denial of service  DoS  and distributed denial of service  DDoS   protections  anomaly based   Prevent replay attack  Anti Replay  Unified Access Control Dynamic Remote  Unified Threat Management   Licensed on high memory  products only       Antivirus  antispam  Web fi
6.  BGP   JX JFlow LTU J Flow Accounting   J6350 K AV One year subscription for Juniper Kaspersky AV  updates   J6350 K AV 3 Three year subscription for Juniper Kaspersky AV  updates   J6350 S2 AS One year subscription for Juniper Sophos Antispam   J6350 S2 AS 3 Three year subscription for Juniper Sophos Antispam   J6350 W WF One year subscription for Juniper Websense  Integrated Web Filtering   J6350 W WF 3 Three year subscription for Juniper Websense  Integrated Web Filtering   J6350 IDP One year subscription for IDP updates   J6350 IDP 3 Three year subscription for IDP updates   J6350 SMB2 CS One year security subscription for Enterprise    includes Kaspersky AV  WF  Sophos AS   and IDP   J6350 SMB2 CS 3 Three year security subscription for Enterprise         includes Kaspersky AV  WF  Sophos AS   and IDP    Interface Modules  Various choices  see page 14     J4350 Base Systems and Options    MODEL NUMBER DESCRIPTION    J4350 Base System    J 4350 JB J4350  Hw encryption  high memory  1GB DRAM   512 MB Flash   O PIM cards  AC PSU  wJunos OS  J 4350 JB DC J4350  512 MB CF  1 GB RAM  Hw encryption   O PIM cards  DC PSU  J 4350 JB SC J4350  software encryption  low memory   512 MB    DRAM  512 MB Flash  O PIM cards  AC PSU  w JJunos  OS  Software Crypto    J 4350 JB SC DC J4350  software encryption  low memory   512 MB  DRAM  512 MB Flash  O PIM cards  DC PSU  w Junos    OS  Software Crypto    J4350  256 MB CF  1GB RAM  Hw encryption   O PIM cards  DC PSU  NEBS  w Junos OS   NEB
7.  PE EEE AE EES y E TEOST  DHCP  PPPoE client Yes Yes Yes Yes  Internal DHCP server Yes Yes Yes Yes  DHCP relay Yes Yes Yes Yes  L2 Switching  a ne P EE N   E E EANES  Pa PEE E EEE EAT  ae ERE AEE    EEATT EAAS  Link Aggregation 802 3ad LACP Yes Yes Yes Yes  Jumbo Frame  9216 Byte  Yes Yes Yes Yes  Spanning Tree Protocol  STP  802 1D  RSTP Yes Yes Yes Yes  802 1w  MSTP 802 1s  Authentication 802 1x Port based and multiple Yes Yes Yes Yes  supplicant    Traffic Management Quality of Service  QoS     Guaranteed bandwidth Yes Yes Yes Yes  Maximum bandwidth Yes Yes Yes Yes  Ingress traffic policing Yes Yes Yes Yes  Priority bandwidth utilization Yes Yes Yes Yes  DiffServ marking Yes Yes Yes Yes   High Availability     een a ET AE ATT   sib anpedn PAEA ess E Ee E EOE T    EEEE E EET   AERE E EA  Active passive   L3 mode Yes Yes Yes Yes  Configuration synchronization Yes Yes Yes Yes  VRRP Yes Yes Yes Yes  Session synchronization for firewall and VPN Yes Yes Yes Yes  Session failover for routing change Yes Yes Yes Yes  Device failure detection Yes Yes Yes Yes  Link failure detection Yes Yes Yes Yes   Firewall   z a E   a   EE LAEE E SA   pdpeieadncahieaden decgaeaest nee tes   sa ip ENE EEE E a EP O E RS T R A caseteapasts  DoS and DDos protection Yes Yes Yes Yes  TCP reassembly for fragmented packet Yes Yes Yes Yes  protection  Brute force attack mitigation Yes Yes Yes Yes  SYN cookie protection Yes Yes Yes Yes  Zone based IP spoofing Yes Yes Yes Yes  Malformed packet protection Yes
8.  Services Routers  To run the Advanced BGP features  order Advanced  BGP  JX BGP ADV LTU   Each license is good for one chassis     On the high memory versions of the J Series  you can run Unified  Threat Management consisting of antivirus  antispam  Web  filtering and IPS  These licenses are good for one chassis and  available as single features  bundles  single year and multi year  ordering options      Unified Threat Management is only supported on high memory versions of J Series and requires a license  See ordering information           J2320                Product Comparison       SPECIFICATION J2320 J2350 J4350 J6350    Maximum Performance and Capacity    Junos OS version tested   Firewall performance  large packets   Firewall performance  IMIX    Firewall   routing PPS  64 Byte     AES256 SHA 1 3DES SHA 1  VPN  performance    IPsec VPN Tunnels    IPS  intrusion prevention system   Antivirus  Connections per second    Maximum concurrent sessions  DRAM options    Maximum security policies    Maximum users supported    Network Connectivity    Junos OS 9 6  600 Mbps  400 Mbps  150 Kpps  125 Mbps    512 MB  GB DRAM  256 512    115 Mbps  25 Mbps  5 000    64K 128K  512 MB 1GB DRAM    2048  1GB DRAM     Unrestricted    Junos OS 9 6  750 Mbps  500 Mbps  175 Kpps  150 Mbps    512 MB  GB DRAM  256 512    130 Mbps  30 Mbps  5 000    64 K 128K  512 MB 1GB DRAM    2048  1GB DRAM     Unrestricted    Junos OS 9 6  2 Gbps   600 Mbps  225 Kpps  400 Mbps    512 MB  GB DRAM  256 512    
9.  Yes Yes Yes    SPECIFICATION J2320 J2350 J4350 J6350    Unified Threat Management    Intrusion Prevention System  IPS   Protocol anomaly detection  Stateful protocol signatures    Intrusion prevention system  IPS  attack  pattern obfuscation    Customer signatures creation  Frequency of updates  Antivirus  Express AV  packet based AV   File based antivirus  Signature database    Protocols scanned    Antispyware  Antiadware  Antikeylogger  Antispam  Integrated Web filtering  Redirect Web filtering  Content filtering    Based on MIME type  file extension  and  protocol commands    System Management    Yes    Daily and emergency    No  Yes  Yes    POP3  HTTP  SMTP   IMAP  FTP    Yes  Yes  Yes  Yes  Yes  Yes  Yes    Yes    Yes    Daily and emergency    Yes  Yes  Yes    POP3  HTTP  SMTP   IMAP  FTP     Yes  Yes  Yes  Yes  Yes  Yes  yes    Yes    Yes    Yes    Yes    Daily and emergency    Yes  Yes  Yes    POP3  HTTP  SMTP   IMAP  FTP    Yes  Yes  Yes  Yes  Yes  Yes  Yes    Yes    Yes    Daily and emergency    Yes  Yes  Yes    POP3  HTTP  SMTP   IMAP  FTP     Yes     Yes  yes  Yes  Yes  Yes  Yes    Yes    Command line interface  Network and Security Manager  STRM Series    Flash and Memory    Yes    Memory minimum and maximum  DRAM   Memory slots   Standard and Maximum Flash memory  USB port for external storage    Dimensions and Power    512 MB  1GB  4 DIMM  512 MB 1GB    Yes    512 MB  1GB  4 DIMM  512 MB 1GB    Yes    512 MB  2 GB  4 DIMM  512 MB 1GB    Yes    1GB  2 GB  4 DIMM
10.  an MPLS or IP network  the J Series offers a mix of features that  excel at both  By leveraging Junos OS  the J Series can be deployed at medium to large  sites and the wide range of interfaces scales the bandwidth as necessary for today   s real  time communications    Key Hardware Features of the J Series Services Routers    PRODUCT DESCRIPTION    J2320    J2350    J4350    J6350    Support for T1  El  Synchronous Serial  ISDN Basic Rate Interface  ADSL2 ADSL2   G SHDSL  and Gigabit Ethernet interfaces  Support for integrated IP telephony using the Avaya IG550 Integrated Gateway   Support for application acceleration using the Juniper Networks ISM200 Integrated Services Module   4 fixed Gigabit Ethernet LAN ports  and 3 PIM slots   512 MB DRAM default  expandable to 1GB DRAM   512 MB compact flash default  upgradeable to 1 GB   Hardware encryption acceleration  optional    Full UTM  antivirus  antispam  Web filtering  intrusion prevention system  with high memory version    Unified Access Control  UAC  and content filtering    Support for T1  E1  Synchronous Serial  ISDN BRI  ADSL 2 2   G SHDSL  and Gigabit Ethernet interfaces  Support for integrated IP telephony using the Avaya IG550 Integrated Gateway   Support for application acceleration using the Juniper Networks ISM200 Integrated Services Module  4 fixed Gigabit Ethernet LAN ports  and 5 PIM slots   512 MB DRAM default  expandable to 1GB DRAM   512 MB compact flash default  upgradeable to 1GB   Hardware encryption ac
11.  information  As a result  during failover  synchronization of  the following information is shared  connection session state and  flow information  IPsec security associations  Network Address  Translation  NAT  traffic  address book information  configuration  changes  and more  In contrast to the typical router active standby  resiliency protocols such as Virtual Router Redundancy Protocol   VRRP   all dynamic flow and session information is lost and must  be reestablished in the event of a failover  Some or all applications  sessions will have to restart depending on the convergence time  of the links or nodes  By maintaining state  not only is the session  preserved  but security is intact  In an unstable network  this  active active configuration also mitigates link flapping affecting  session performance     Session Based Forwarding Without the   Performance Hit   In order to optimize the throughput and latency of the combined  router and firewall  Junos OS implements session based  forwarding  an innovation that combines the session state  information of a traditional firewall and the next hop forwarding  of a classic router into a single operation  With Junos OS  a   session that is permitted by the forwarding policy is added to   the forwarding table along with a pointer to the next hop route   Established sessions have a single table lookup to verify that the  session has been permitted and to find the next hop  This efficient  algorithm improves throughput and low
12. 250 Mbps  65 Mbps  10 000    64K 128K  512 MB 1GB DRAM    5192  1 GB DRAM     Unrestricted    Junos OS 9 6  3 5 Gbps   1 Gbps   400 Kpps  900 Mbps    1GB   2 GB DRAM  512   1024    500 Mbps  130 Mbps  20 000    256 K7256K  512 MB   1 GB DRAM    10384  2 GB DRAM     Unrestricted    Fixed I O  I O slots    Services and Routing Engine slots  ExpressCard slot  3G WAN    WAN LAN interface options   Optional maximum number of PoE ports    USB  Routing    4 x 10 100 1000BASE T  3x PIM    N A  N A  See ordering information  N A    4 x 10 100 1000BASE T  5x PIM    N A  N A  See ordering information  N A    4 x 10 100 1000BASE T    4xPIM    2 x EPIM PIM    N A  N A  See ordering information  N A    4 x 10 100 1000BASE T    2xPIM    4 x EPIM PIM    N A  N A  See ordering information  N A    BGP instances  BGP peers    BGP routes    OSPF instances    OSPF routes    RIP v1 v2 instances    512 MB 1GB DRAM  64 64   512 MB 1GB DRAM  64K 400K   512 MB 1GB DRAM  32732   512 MB 1GB DRAM  5K 10K   512 MB   1 GB DRAM  32 32    512 MB   1 GB DRAM  64 64   512 MB   1 GB DRAM  64K 400K   512 MB   1 GB DRAM  327 32   512 MB   1 GB DRAM  5K 10K    512 MB   1 GB DRAM  32 32    512 MB   1 GB DRAM  64 64   512 MB 1GB DRAM  64K 400K   512 MB 1GB DRAM  32 32   512 MB 1GB DRAM  5K 10K   512 MB   1 GB DRAM  32 32    GB   2 GB DRAM  64 64   GB   2 GB DRAM  400 K 1000 K  GB 2GBDRAM  64 64   GB   2 GB DRAM  OK 20K  1GB 2GBDRAM  64 64       SPECIFICATION J2320 J2350 J4350 J6350    Routing  continued     RIP v2 r
13. 7 S CTRA Doc    488 BTU hour   1070 BTU hour    48 to  60 VDC  420 W  No   59 3 dB    32   to 122   F   0   to 50   C     4   to 158   F    20   to 70   C     10 90  noncondensing    7 6 years    UL 60950 1  FCC Class A  TIA 968    CSA 60950 1  ICES class A  CS 03    AS NZS 60950 1  AS   NZS CISPR22 Class A    AS   ACIF S 002  S 016  S  043 1  S043 2    AS NZS 60950 1  AS   NZS CISPR22 Class A    PIC AVE PICS    CB Scheme  VCCI Class A    Certificate for Technical  Conditions    EN 60950 1    EN 55022 Class A  EN  300386    CTR 12 13  CTR 21  DoC    566 BTU hour   1145 BTU hour    48 to  60 VDC  420 W  Yes    61 2 dB    32   to 1229 F   0   to 50   C     4   to 158   F    20   to 70   C     10 90  noncondensing    12 years with redundant  power    UL 60950 1  FCC Class A  TIA 966    CSA 60950 1  ICES class A  CS 03    AS   NZS 60950 1  AS NZS CISPR22 Class A    AS   ACIF S 002  S 016  S  043 1  S043 2    AS NZS 60950 1  AS NZS CISPR22 Class A    PTE 217  PTE 273    CB Scheme  VCCI Class A    Certificate for Technical  Conditions    EN 60950 1    EN 55022 Class A  EN  300386    CTR12713 CiR 21  Doc    Juniper Networks Services and Support   Juniper Networks is the leader in performance enabling services and support  which are designed to accelerate  extend  and optimize  your high performance network  Our services allow you to bring revenue generating capabilities online faster so you can realize bigger  productivity gains and faster rollouts of new business models and venture
14. DRAM   512 MB Flash   3 PIM slots  SW security  AC power  supply  TAA 19    rack mount    J2320  Junos OS  high memory  1 GB DRAM   512 MB Flash   3 PIM slots  Hw encryption   AC power supply  19    rack mount    Additional DRAM for J2320 without encryption acceleration   DRAM upgrades must be installed in matching pairs     J MEM 512M S    1 GB  2 x J MEM 512M S replaces default     Primary Compact Flash  Replaces default     JX CF 512M S  JX CF IG S    1GB    Additional Software Feature Licenses    JX BGP ADV LTU    Advanced BGP    JX JFlow LTU J Flow Accounting  J2320 K AV One year subscription for Juniper Kaspersky  AV updates  J2320 K AV 3 Three year subscription for Juniper Kaspersky  AV updates  J2320 S2 AS One year subscription for Juniper  Sophos Antispam    J2320 S2 AS 3    Three year subscription for Juniper  Sophos  Antispam    J2320 W WF One year subscription for Juniper Websense  Integrated Web Filtering   J2320 W WF 3 Three year subscription for Juniper Websense  Integrated Web Filtering   J2320 IDP One year subscription for IDP updates   J2320 IDP 3 Three year subscription for IDP updates    J2320 SMB2 CS    J2320 SMB2 CS 3    One year security subscription for Enterprise    includes Kaspersky AV  WF  Sophos AS  and IDP    Three year security subscription for Enterprise    includes Kaspersky AV  WF  Sophos AS  and IDP    Interface Modules  Various choices  see page 14     JXH HC2 S    Cryptographic Acceleration Module  to be used with  J2320 JB SC only    WAN 
15. IM J2320 32350 J4350 J6350    JX ISM 200 WXC ISM200 Integrated Services Module Junos OS 9 1 Junos OS 9 1    Avaya Telephony Gateway Modules and Telephony Interface Modules     AVAYA MINIMUM JUNOS OS  DESCRIPTION  PART NUMBER J2320 J2350 J4350 J6350       700406978 TGM550   Media Gateway Module Junos OS 9 1 Junos OS 9 1  700396138 TIM510 T1 E1 Media Module Junos OS 9 1 Junos OS 9 1  700396146 TIM514 Analog 4 4 Media Module Junos OS 9 1 Junos OS 9   700396153 TIM 521 BRI Media Module Junos OS 9 1 Junos OS 9 1  700436645 TGM550 20 Media Gateway Module Junos OS 9 1 Junos OS 9 1  700436652 TGM550 10 Media Gateway Module Junos OS 9 1 Junos OS 9 1  700426786 TIM508 Analog 8FXS Media Module Junos OS 9 1 Junos OS 9 1  700426794 TIM516 Analog 16FXS Media Module Junos OS 9 1 Junos OS 9 1  700426786 TIM518 Analog 8FXS 8FXO Media Module Junos OS 9 1 Junos OS 9      Avaya Telephony Gateway Modules and Telephony Interface Modules are available through Avaya resellers and partners     Small Form Pluggable  SFP  Modules    The one port 100 Mbps or Gigabit Ethernet Universal PIM and the six port SFP Gigabit Ethernet Universal PIM require an SPF module to  provide the physical interface  The SFP must be ordered separately from the UPIM     PART NUMBER DESCRIPTION    JX SFP 1GE LX SFP 1OOOBASE LX Gigabit Optical Transceiver SFP Module  JX SFP I1GE SX SFP 1O00BASE SX Gigabit Optical Transceiver SFP Module  JX SFP 1GE T SFP 1000BASE T Gigabit Copper Transceiver SFP Module  JX SFP 1IFE FX SFP 100BA
16. JUNIPET     NETWORKS       Juniper Networks J Series Services  Routers extend enterprise applications  and deliver reliable connectivity to  remote offices with a powerful blend of  high performance network protection    and advanced services  J Series  Services Routers leverage the modular  Junos OS and Juniper   s rich product  and partner portfolio to consolidate  market leading security  application  optimization  and voice capabilities  onto a single  easy to manage platform   Our innovative security approach  inseparably integrates routing and  firewalls for exceptional performance   Available options  including integrated  Juniper Networks WX application  acceleration and integrated voice  gateway technology from Avaya  make  the J Series the ideal choice for closing  the distance between central resources  and remote locations     DATASHEET    J SERIES SERVICES    ROUTERS  J2320  J2350  J4350  AND J6350       Product Description   Enterprises are faced with a number of challenges and opportunities by converging   voice  video and data to one network  This consolidation of network elements reduces  cost by easing deployment of SIP enabled VoIP  real time high definition Telepresence  and standardizing on a consistent infrastructure network operating system like Juniper  Networks   Junos   operating system  These new technologies improve  customer relations   interactions with suppliers  and employee productivity  This mission critical multi media  network must be alway
17. Phone  852 2332 3636 EMEA Sales  00800 4586 4737  Fax  408 745 2100 Fax  852 2574 7803 Fax  35 31 8903 601    www juniper net    Copyright 2010 Juniper Networks  Inc  All rights reserved  Juniper Networks  the Juniper Networks logo  Junos   NetScreen  and ScreenOS are registered trademarks of Juniper Networks  Inc  in the United States and other  countries  All other trademarks  service marks  registered marks  or registered service marks are the property of  their respective owners  Juniper Networks assumes no responsibility for any inaccuracies in this document  Juniper  Networks reserves the right to change  modify  transfer  or otherwise revise this publication without notice     1000206 005 EN Jan 2010    To purchase Juniper Networks solutions   please contact your Juniper Networks  representative at 1 866 298 6428 or  authorized reseller     Printed on recycled paper    
18. S and  TAA compliant    J4350  256 MB CF  1GB RAM  Hw encryption   O PIM cards  AC PSU  w Junos OS   NEBS and TAA  compliant       J 4350 JB DC N TAA  J 4350 JB N TAA    J4350 Options    Additional DRAM for J4350 without encryption acceleration   DRAM upgrades must be installed in matching pairs     JXX50 MEM 256M S 512 MB  JXX50 MEM 256I S  added   to default      1 GB  2 x JXX50 MEM 512M S  replaces default     2 GB  4 x JXX50 MEM 512M  S  replaces default     Additional DRAM for J4350 with encryption acceleration  DRAM  upgrades must be installed in matching pairs     JXX50 MEM 512M S 2 GB  4 x JXX50 MEM 512M S  replaces default     JXX50 MEM 512M S    Primary Compact Flash  Replaces default     Ba a eect oeemeat timadiachctnetie  JX CF 1G S 1GB  Additional Software Feature Licenses    JX BGP ADV LTU Advanced BGP    JX JFlow LTU J Flow Accounting   J4350 K AV One year subscription for Juniper Kaspersky AV  updates   J4350 K AV 3 Three year subscription for Juniper Kaspersky AV  updates   J4350 S2 AS One year subscription for Juniper Antispam   J4350 S2 AS 3 Three year subscription for Juniper Antispam   J4350 W WF One year subscription for Juniper Websense  Integrated Web Filtering   J4350 W WF 3 Three year subscription for Juniper Websense  Integrated Web Filtering   J4350 IDP One year subscription for IDP updates   J4350 IDP 3 Three year subscription for IDP updates       J4350 SMB2 CS One year security subscription for Enterprise    includes Kaspersky AV  WF  Sophos AS 
19. SE FX Optical Transceiver Module  JXU 1SFP S only     Serial Interface Cables  The two port Serial PIM requires separate purchase of serial cables     PART NUMBER CABLE TYPE LENGTH CONNECTOR TYPE    JX CBL EIA530 DCE EIA530 cable  DCE  Oft  3m  Female  JX CBL EIA530 DTE EIA530 cable  DTE  O ft  3m  Male  JX CBL RS232 DCE RS232 cable  DCE  Oft  3m  Female  JX CBL R5232 DTE RS232 cable  DTE  O ft  3m  Male  JX CBL RS449 DCE RS449 cable  DTE  Oft  3m  Female  JX CBL RS449 DTE RS449 cable  DTE  0 ft  3m  Male  JX CBL V35 DCE V 35 cable  DTE  Oft  3m  Female  JX CBL V35 DTE V 35 cable  DTE  O ft  3m  Male  JX CBL X21 DCE X 21 cable  DCE  O ft  3m  Female  JX CBL X21 DTE X 21 cable  DTE  0 ft  3m  Male          About Juniper Networks    Juniper Networks  Inc  is the leader in high performance networking  Juniper offers a high performance network infrastructure that    creates a responsive and trusted environment for accelerating the deployment of services and applications over a single network   This fuels high performance businesses  Additional information can be found at www juniper net        Corporate and Sales Headquarters APAC Headquarters EMEA Headquarters   Juniper Networks  Inc  Juniper Networks  Hong Kong  Juniper Networks Ireland   1194 North Mathilda Avenue 26 F  Cityplaza One Airside Business Park  Sunnyvale  CA 94089 USA 1111 King   s Road Swords  County Dublin  Ireland  Phone  888 JUNIPER  888 586 4737  Taikoo Shing  Hong Kong Phone  35 31 8903 600   or 408 745 2000 
20. and LAN Module Part Numbers    PART NUMBER DESCRIPTION SUPPORTED ON J2320  J2350 SUPPORTED ON J4350  J6350    Physical Interface Module  PIM     JX 1DS3 S l port DS3 PIM No Yes  JX 1E3 S l port E3 PIM No Yes  JX 2T1 RJ48 S 2 port T1 PIM Yes Yes  JX 2E1 RJ48 S 2 port El PIM Yes Yes  JX 2CTIEI RJ45 S 2 port Channelized T1 E1 PIM Yes Yes  JX 2Serial ISL S 2 port Synchronous Serial PIM Yes Yes  JX 2FE TX S 2 port FE PIM No Yes  JX 4BRI S S 4 port ISDN BRI     S Interface Yes Yes  JX 4BRI U S 4 port ISDN BRI     U Interface Yes Yes  JX IADSL A S l port ADSL Annex A PIM Yes Yes  JX 1ADSL B S l port ADSL Annex B PIM Yes Yes  JX 2SHDSL S 2 port 2 wire or l port 4 wireG SHDSL Yes Yes  Interface   JX 1DS3 S 1 port DS3 PIM No Yes  Enhanced Physical Interface Module  EPIM    e E a Fedo lai piGee Son eben pases tas Aiea ep ae   ee r cay EET donaaa dean a EEEE EA T   5 EEIE T achiedonepedesdnaad  JXE IGE SFP S l port Gigabit SFP EPIM No Yes  JXE 4FE TX S 4 port FE EPIM No Yes  Universal Physical Interface Module  UPIM    a oe Flak AESAAT TA ASY a ne nares nae   ae iinet o A E E E T   EI I AA AA IEA ce en Sea   PIM  SFPs sold separately   JXU 8GE TX S 8 port Gigabit Ethernet 10 100 1000 Yes Yes  Copper Universal PIM   JXU 16GE TX S 16 port Gigabit Ethernet 10 100 1000 Yes Yes  Copper Universal PIM   JXU 1SFP S l port SFP 100 Mbps or Gigabit Yes Yes  Ethernet Universal PIM  SFP sold  separately     Integrated Services Modules PIM    INTEGRATED SERVICES MINIMUM JUNOS OS  DESCRIPTION  MODULE P
21. celeration  optional    DC version available   NEBS compliant models available   Full UTM  antivirus  antispam  Web filtering  intrusion prevention system  with high memory version   Unified Access Control  UAC  and content filtering    Support for T1  El  Fast Ethernet  Synchronous Serial  ISDN BRI  ADSL2 ADSL2   G SHDSL  DS3  E3  Gigabit  Ethernet interfaces   Support for integrated IP telephony using the Avaya IG550 Integrated Gateway   Support for application acceleration using the Juniper Networks ISM200 Integrated Services Module  4 fixed Gigabit Ethernet LAN ports  4 PIM slots  and 2 EPIM PIM slots   DC version available   512 MB or 1 GB DRAM default  expandable to 2 GB DRAM   512 MB compact flash default  upgradeable to 1 GB   Hardware encryption acceleration  optional    NEBS compliant models available   Full UTM  antivirus  antispam  Web filtering  intrusion prevention system  with high memory version   Unified Access Control  UAC  and content filtering    Support for T1  El  Fast Ethernet  Synchronous Serial  ISDN BRI  ADSL2 ADSL2   G SHDSL  DS3  E3  Gigabit  Ethernet interfaces   Support for integrated IP telephony using the Avaya IG550 Integrated Gateway   Support for application acceleration using the Juniper Networks ISM200 Integrated Services Module  4 fixed Gigabit Ethernet LAN ports  2 PIM slots  and 4 EPIM PIM slots   DC version available   1GB DRAM default  expandable to 2 GB DRAM   512 MB compact flash default  upgradeable to 1GB   Hardware encryption acc
22. eleration standard   NEBS compliant models available   Redundant AC or DC power supplies   Full UTM  antivirus  antispam  Web filtering  intrusion prevention system  with high memory version   Unified Access Control  UAC  and content filtering    Features and Benefits    Secure Routing   Should you use a router and a firewall to secure your network  By  building the branch J Series Services Routers with best in class  routing and firewall capabilities in one product  enterprises don   t  have to make that choice  Why forward traffic if it   s not legitimate     J Series for the branch checks the traffic to see if it is legitimate   and only forwards it on when it is  This reduces the load on   the network  allocates bandwidth for all other mission critical  applications  and secures the network from hacking     The main purpose of a secure router is to provide firewall  protection and apply policies  The firewall  zone  functionality  inspects traffic flows and state to ensure that originating and  returning information in a session is expected and permitted for   a particular zone  The security policy determines if the session  can originate in one zone and traverse to another zone  This  architectural choice receives packets from a wide variety of clients  and servers and keeps track of every session  of every application   and of every user  It allows the enterprise to make sure that only  legitimate traffic is on its network and that traffic is flowing in the  expected di
23. ers latency for session  traffic when compared with a classic router that performs multiple  table lookups to verify session information and then to find a next   hop route     SMALL OFFICE    Figure 3 shows the session based forwarding algorithm  Whena  new session is established  the session based architecture within  Junos OS verifies that the session is allowed by the forwarding  policies  If the session is allowed  Junos OS will look up the next   hop route in the routing table  It then inserts the session and the  next hop route into the session and forwarding table and forwards  the packet  Subsequent packets for the established session  require a single table lookup in the session and forwarding table   and are forwarded to the egress interface        Security Policy Evaluation  and Next Hop Lookup       Session Initial  Packet Processing       Session and  Forwarding Table             Forwarding for ___  Permitted Traffic    Ingress   Interface    7  Disallowed by   Policy  Dropped    _   Egress  Interface    Figure 3  Session based forwarding algorithm    FIXED MOBILE SITE     Mobile     3G     PAA    D  SRX100    Mobile       EX4200 EX2200 EX3200 EX2200    CO e i CCD     E    SRX240                               EX4200 EX4200         E  MO e a a CCC CD a n    SRX650     HEAD QUARTERS    Wireless              Service Provider  SIP Softswitch    Service Provider  SIP Softswitch       PSTN                      PEN a  eN  g3  cMIIne  oM  s   gt   co  0  UO Co  50 co  o
24. ility    By using the Web interface or CLI  enterprises can create a series  of security policies that will control the traffic from within and in  between zones by defining policies  At the broadest level  all types  of traffic can be allowed from any source in security zones to any  destination in all other zones without any scheduling restrictions   At the narrowest level  policies can be created that allow only one  kind of traffic between a specified host in one zone and another  specified host in another zone during a scheduled time period     High Availability   Junos OS Services Redundancy Protocol  JSRP  is a core feature  of the J Series for the branch  JSRP enables a pair of security  systems to be easily integrated into a high availability network  architecture  with redundant physical connections between the  systems and the adjacent network switches  With link redundancy   Juniper Networks can address many common causes of system  failures  such as a physical port going bad or a cable getting  disconnected  to ensure that a connection is available  without  having to fail over the entire system  This is consistent witha  typical active standby nature of routing resiliency protocols     When J Series routers for the branch are configured as an active   active pair  traffic and configuration will be mirrored automatically  to provide active firewall and VPN session maintenance in case of  a failure  The J Series will now synchronize both configuration and  runtime
25. lled in matching pairs     JXX50 MEM 512M S 1 GB  2 x JXX50 MEM 512M S  replaces default     Primary Compact Flash  Replaces default     JX CF 512M S 512 MB  JX CF 1G S 1GB  Additional Software Feature Licenses    JX BGP ADV LTU Advanced BGP    JX JFlow LTU J Flow Accounting   J2350 K AV One year subscription for Juniper Kaspersky AV  updates   J2350 K AV 3 Three year subscription for Juniper Kaspersky AV  updates   J2350 S2 AS One year subscription for Juniper Sophos Antispam   J2350 S2 AS 3 Three year subscription for Juniper Sophos Antispam   J2350 W WF One year subscription for Juniper Websense  Integrated Web Filtering   J2350 W WF 3 Three year subscription for Juniper Websense  Integrated Web Filtering   J2350 IDP One year subscription for IDP updates   J2350 IDP 3 Three year subscription for IDP updates       J2350 SMB2 CS One year security subscription for Enterprise    includes Kaspersky AV  WF  Sophos AS    and IDP    J2350 SMB2 CS 3 Three year security subscription for Enterprise    includes Kaspersky AV  WF  Sophos AS    and IDP    Interface Modules  Various choices  see page 14     JXH HC2 S Cryptographic Acceleration Module  to be used with  J2350 JB SC only    J2320 Base Systems and Options    MODEL NUMBER DESCRIPTION    J2320 Base System    J2320 JB SC    J2320 JB SC TAA    J2320 JH    J2320 Options    J2320  Junos OS  base memory  512 MB DRAM   512 MB Flash   3 PIM slots  SW security  AC power  supply  19    rack mount    J2320  Junos OS  base memory  512 MB 
26. ltering  IPS    Voice Transport  FRF 12  Link fragmentation and interleaving  LFI   Compressed Real Time Transport Protocol  CRTP      BGP Route Reflector see ordering information     High Availability  VRRP  Stateful failover and dual box clustering via JSRP      Redundant power  optional     IPv6  OSPFv3  IPv6 Multicast Listener Discovery  MLD   BGP  Quality of service  QoS     SLA and Measurement  Real time performance monitoring  RPM   Sessions  packets  bandwidth usage  J Flow flow monitoring and accounting services    Logging and Monitoring  Syslog  Traceroute  Administration  Juniper Networks Network and Security Manager support  Juniper Networks STRM Series Security Threat Response  Managers support  Juniper Networks Advanced Insight Solutions support  External administrator database  RADIUS  LDAP  SecurelD   Auto configuration  Configuration rollback  Rescue configuration with button  Commit confirm for changes  Auto record for diagnostics  Software upgrades  J Web    Operating System   All J Series Services Routers ship with the worldwide version of  Junos OS  which has standard encryption  as opposed to the   US and Canada version  which has strong encryption  You can  download the strong encryption version at no charge so long as  you can certify eligibility  The download is available from Juniper   s  Customer Support Center Web site  www juniper net customers   csc software      Feature Licenses   Licenses are required for advanced functionality on the J Series 
27. oje   U U       EX3200 EX2200    BRANCH    Figure 4  The distributed enterprise    Product Options   Juniper Networks J2320  J2350  J4350  and J6350 Services  Routers offer a number of options in terms of LAN and WAN  ports  hardware encryption acceleration  power supplies  DRAM   compact flash  and feature licenses     LAN Ports   All J2320  J2350  J4350  and J6350 Services Routers ship with four  fixed 10 100 1000 Ethernet ports  You can add more modular  LAN interfaces by ordering the appropriate PIMs  Enhanced PIMs   EPIMs   or Universal PIMs  UPIMs   For more information  see the  J Series WAN and LAN modules Ordering Information section on  page 14     WAN Ports   All J2320  J2350  J4350  and J6350 Services Routers ship without  fixed WAN ports  The customer can add modular WAN interfaces  by ordering the appropriate PIMs  For more information  see the   J Series WAN and LAN Modules Part Numbers in the Ordering  Information section on page 14     Hardware Encryption Acceleration   The J2320  J2350  and J4350 are available with optional hardware  encryption acceleration  All J6350 models include hardware  encryption acceleration by default  If you purchase a J2320  J2350   or J4350 without hardware encryption  you can add it later by  ordering the appropriate encryption card     Power Supply   All J2350  J4350  and J6350 Services Routers ship with either a DC  power supply or an AC power supply and include a region specific  power cord   The J2320 is available with AC po
28. outes    Static routes    Source based routing  Policy based routing  Equal cost multipath  ECMP     Reverse path forwarding  RPF     512 MB   1GB DRAM  5K 10K    512 MB 1GB DRAM  Sky 10s     Yes  Yes  Yes    Yes    512 MB 1GB DRAM  5K 10K    512 MB 1GB DRAM  5K 10K    Yes  Yes  Yes    Yes    512 MB 1GB DRAM  5K 10K    512 MB 1GB DRAM  5K 10K    Yes  Yes  Yes    Yes    1GB 2GB DRAM  10K 20K    1GB 2GBDRAM  10K 20K    Yes  Yes  Yes    Yes    Layer 2 VPN  VPLS   Layer 3 VPN  LDP       RSVP  Circuit Cross connect  CCC   Translational Cross connect  TCC     Multicast    Yes    IGMP  v1  v2  v3    PIM SM   PIM source specific multicast  SSM   Multicast inside IPsec tunnel    IPsec VPN    Yes    Yes    Concurrent VPN tunnels    Tunnel interfaces    DES  56 bit   3DES  168 bit  and  AES  256 bit     MD 5 and SHA  authentication    Manual key  Internet Key Exchange  IKE   public  key infrastructure  PKI   X 509     Perfect forward secrecy  DH Groups   Prevent replay attack   Dynamic remote access VPN   IPsec NAT traversal    Redundant VPN gateways    256 512   512 MB 1GB DRAM     256 512   512 MB 1GB DRAM     Yes    Yes    Yes    125  Yes  Yes  Yes    Yes    User Authentication and Access Control    Third party user authentication    RADIUS accounting    XAUTH VPN  Web based  802 X  authentication    PKI certificate requests  PKCS 7 and  PKCS 10     Certificate Authorities supported    Virtualization    RADIUS  RSA SecurelD     LDAP  Yes    Yes    Yes    VeriSign  Entrust   Microsoft
29. rection        Untrust    Zone    A N    INTERNET       Trust    Zone    E au    Intranet       Guest    Zone       Figure 1  Firewalls  zones and policies  To ease the configuration of a firewall  J Series for the branch  uses two features      zones    and    policies     While these can be  user defined  the default shipping configuration contains  at a  minimum  a trust and an untrust zone  The trust zone is used    for configuration and attaching the LAN to the branch J Series  routers  The untrust zone is used for the WAN or Internet interface   To simplify installation and make configuration easier  a default  policy is in place that allows traffic originating from the trust   zone to flow to the untrust zone  This policy blocks all traffic  originating from the untrust zone to the trust zone  A traditional  router forwards all traffic without regard to a firewall  session  awareness  or policy  origination and destination of a session      High Availability    Active Standby Active Standby   N wet  INTERNET   inne    L  NAK  J Series Pi Nu Series sser 7 J Series    Active SEn  E  Standby Failure ESE Active  es ER EX Series    EX Series  fins        Bs  th       T  x  ig  3  B          MHE   mHE   E   E   EHE   EHE                    aA aA   Active Active Active Active   INTERNET a  J Series JSeries M Scris     J Series   Active E EEE Active Failure EPA E active  EX       EX Series EX Series DL EX Series   Cee a  i ts   i i ae ala  am aa Be 2B    Figure 2  High availab
30. s  At the same time  Juniper Networks ensures operational  excellence by optimizing your network to maintain required levels of performance  reliability  and availability  For more details  please visit  www juniper net us en products services      Ordering Information    The following tables outline part numbers for J6350  J4350  J2350  and J2320 base systems and options  associated WAN and LAN    modules  and additional accessories     J6350 Base Systems and Options    MODEL NUMBER DESCRIPTION    J6350 Base System    J 6350 JB J6350  Hw encryption  high memory  1GB DRAM   512 MB Flash   O PIM cards  1 AC PSU  w Junos OS  J 6350 JB DC J6350  512 MB CF  1 GB RAM  Hw encryption     O PIM cards  1 DC PSU    J6350  512 MB CF  1 GB RAM  Hw encryption   O PIM cards  1 DC PSU  w Junos OS   NEBS and TAA  compliant    J6350  512 MB CF  1 GB RAM  Hw encryption   O PIM cards  1 AC PSU  w Junos OS   NEBS and TAA    J 6350 JB DC N TAA    J 6350 JB N TAA    compliant  J6350 Options  Redundant Power Supply  o a rete Ae a eed ai  SSG PS AC AC power supply    Region Specific AC Power Cables for SSG PS AC    CBL JX PWR AU Australia  CBL JX PWR CH China  CBL JX PWR EU Europe    CBL JX PWR IT Italy  CBL JX PWR JP  CBL JX PWR UK United Kingdom  CBL JX PWR US USA  Additional DRAM    JXX50 MEM 512M S 2 GB  2 x JXX50 MEM 512M S  added to default     Japan       Primary Compact Flash  Replaces default     JX CF 512M S  IX CF IG S 1GB    Additional Software Feature Licenses    JX BGP ADV LTU Advanced
31. s on and always available  To accomplish this  fully integrated  stateful security is a key requirement  not merely forwarding packets without regard to the  intended application or individual user session  Junos OS provides the high performance  networking infrastructure that helps enterprises implement key initiatives that     Integrates routing  firewalling and VPN into one best in class secure router  By  securing an enterprise   s mission critical information and protecting the network from  vulnerabilities and attack  the Juniper Networks J Series Services Router offers a  combination of features that increases productivity and reduces costs  With Junos OS  release 9 6  the J Series enhances these features with Unified Threat Management   consisting of antivirus  antispam  Web filtering and intrusion prevention system  These  advanced security features can eliminate a standalone appliance and be applied witha  software key   Minimizes the cost of installing and operating a network by deploying J Series  With the  modular  protected mode design of Junos OS and the rigorous Junos OS development  and testing process  there are fewer system process failures  The single code source of  Junos OS makes the qualification of new releases across the network much simpler  In  addition  superior configuration management reduces human errors that could lead to  network downtime   Whether you have an enterprise network or a service provider looking for customer  premise equipment for
32. wer only   The J6350  supports a second redundant AC or DC power supply  which can be  added by ordering SSG PS DC or SSG PS AC  The region specific  AC power cable for SSG PS AC must be ordered separately     Table 2  J4350 and J6350 Supported Memory Configurations    DRAM   The J2320 and J2350 are upgradeable to a maximum of 1 GB  DRAM  The J2320 and J2350 models without hardware encryption  acceleration  J2320 JB SC and J2350 JB SC  come with 512 MB  DRAM  All other models come with 1 GB of DRAM     All J4350 models are upgradeable to a maximum of 2 GB DRAM   The J4350 model that ships without hardware encryption  acceleration  J 4350 JB SC  ships with 512 MB of DRAM  All other  J4350 models ship with 1 GB of DRAM     All J6350 Services Routers ship with 1 GB of DRAM and are  upgradeable to 2 GB of DRAM  Order and install two additional  JXX50 MEM 512M S DIMMs     Note that when upgrading DRAM  DIMMs should always be  installed in pairs  for example  to upgrade to 1 GB DRAM  order two  JXX50 MEM 512M S DIMMs  To upgrade to 2 GB DRAM  order four  JXX50 MEM 512M S DIMMs     With Junos OS Release 9 1 and later  all J Series Services Routers   J2320  J2350  J4350  J6350  must run at least 512 MB of DRAM     Compact Flash   All J2320  J2350  J4350  and J6350 Services Routers ship with 512  MB of primary compact flash  You can replace that with a larger  compact flash by ordering one either JX CF 512M S  for 512 MB   or JX CF 1G S  for 1 GB      512 MB 512 MB   512 MB 256 MB    
    
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