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GR2000 Installation Guide
xxxiv GR2K-GA-1002
Rev. 6.03
Chapter 4 - Precautions in Planning Installation ................................. 4-1
4.1 Prerequisites .................................................................................................................................... 4-1
4.1.1 Local Setup Console and Remote Operation Terminal............................................................ 4-1
4.1.2 Backup Flash Memory Card (MC) ............................................................................................ 4-6
4.2 Configuration Limits........................................................................................................................ 4-7
4.2.1 RP ........................................................................................................................................ 4-7
4.2.2 NIF ........................................................................................................................................ 4-9
4.2.3 Main Memory.......................................................................................................................... 4-10
4.2.3.1 Memory Increments ...................................................................................................... 4-10
4.2.4 Line Accommodation .............................................................................................................. 4-11
4.2.4.1 Line Accommodation with 100BASE-TX....................................................................... 4-11
4.2.4.2 Line Accommodation with 100BASE-FX....................................................................... 4-12
4.2.4.3 Line Accommodation with WAN (Other than ISDN and Overload) ............................... 4-12
4.2.4.4 Line Accommodation with WAN (ISDN)........................................................................ 4-14
4.2.4.5 Line Accommodation with WAN (Overload).................................................................. 4-14
4.2.4.6 Line Accommodation on GR2000-2S............................................................................ 4-16
4.2.4.7 Line Accommodation on GR2000-4S and GR2000-4 with Shared-Bus Structure ........ 4-17
4.2.4.8 Accommodation conditions for each function in Ethernet and gigabit Ethernet ............ 4-19
4.2.4.9 Line accommodating conditions for ATM...................................................................... 4-20
4.2.5 Maximum Number of Peers.................................................................................................... 4-21
4.2.5.1 Maximum Number of ARP Entries ................................................................................ 4-21
4.2.5.2 Maximum Number of PVCs........................................................................................... 4-21
4.2.6 Maximum Number of Interfaces and Multihome Subnets....................................................... 4-22
4.2.6.1 Maximum Number of Interfaces .................................................................................... 4-22
4.2.6.2 Maximum Number of Multihome Subnets ..................................................................... 4-22
4.2.7 Routing Resource Accommodation Limits.............................................................................. 4-23
4.2.7.1 Maximum Number of Neighbor Routers........................................................................ 4-23
4.2.7.2 Relationships between Maximum Number of Route Entries and Maximum Number of
Neighbor Routers ............................................................................................................... 4-23
4.2.7.3 Relationships between Maximum Number of Route Entries and Line Speed............... 4-24
4.2.8 IP Multicast Accommodation Limits........................................................................................ 4-25
4.2.9 IPX and Bridge Accommodation Limits .................................................................................. 4-26
4.2.10 Maximum Number of Dynamic Entries and Static Entries.................................................... 4-26
4.2.11 MPLS/IP-VPN [ROUTE-OS3]............................................................................................... 4-27
4.2.11.1 Applicable Device and Software ................................................................................. 4-27
4.2.11.2 Routing Processor Modules (RP) and NIF.................................................................. 4-28
4.2.11.3 Memory Card Unit (MC).............................................................................................. 4-30
4.2.11.4 Minimum Memory Requirements ................................................................................ 4-30
4.2.11.5 Accommodating conditions for the MPLS function...................................................... 4-35
4.2.11.6 MPLS policy routing function....................................................................................... 4-38
4.2.11.7 Dynamic Entry and Static Entry Maximum Entry Count.............................................. 4-38
4.2.11.8 COPS function ............................................................................................................4-39
4.2.12 IPv6 [ROUTE-OS6] .............................................................................................................. 4-39
4.2.12.1 Applied Router and Software ...................................................................................... 4-39