BGP配置示例


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CAT 1
CAT1> (enable) show running-config
begin
!
# ***** NON-DEFAULT CONFIGURATION *****
!
!
#version 6.3(5)
!
#system
set system name CAT1
set system highavailability enable
!-- Enables high availability on Catalyst switch.
!
#vtp
set vtp domain cisco
set vlan 1 name default type ethernet mtu 1500 said 100001 state active
[..]
set vlan 10,20
!
#set boot command
set boot config-register 0x2102
set boot system flash bootflash:cat6000-sup.6-3-5.bin
!
#module 3 : 48-port 10/100BaseTX Ethernet
set vlan 10 3/2
!-- Port 3/2 is connected to AS10 on VLAN 10.
!
#module 5 : 8-port 1000BaseX Ethernet
set module name 5
set trunk 5/2 on isl 1-1005,1025-4094
!-- Port 5/2 is connected to CAT 2 as Trunk.
!
#module 15 : 1-port Multilayer Switch Feature Card
!-- MSFC #1 on Port 1, Mod 15.
!
#module 16 : 1-port Multilayer Switch Feature Card
!-- MSFC #2 on Port 2, Mod 16.
CAT 2
CAT2 (enable) show running-config
begin
!
# ***** NON-DEFAULT CONFIGURATION *****
!
!
#version 6.3(5)
!
#system
set system name CAT2
set system highavailability enable
!-- Enables high availability on Catalyst switch.
!
#vtp
set vtp domain cisco
set vlan 1 name default type ethernet mtu 1500 said 100001 state active
set vlan 10,20
!
#set boot command
set boot config-register 0x2102
set boot system flash bootflash:cat6000-sup.6-3-5.bin
!
!
#module 3 : 48-port 10/100BaseTX Ethernet
set vlan 20 3/3
!-- Port 3/3 is connected to AS20 on VLAN 20.
!
#module 4 : 8-port 1000BaseX Ethernet
set module name 4
set trunk 4/2 on isl 1-1005,1025-4094
!-- Port 4/2 is connected to CAT 1 as Trunk.
!
#module 15 : 1-port Multilayer Switch Feature Card
!-- MSFC 1 on Port 1, Mod 15.
!
#module 16 : 1-port Multilayer Switch Feature Card
!-- MSFC #2 on Port 2, Mod 16.
MSFC Configuration on CAT1
CAT1> (enable)
CAT1> (enable) session 15
Trying Router-15...
Connected to Router-15.
Escape character is "^]".
MSFC-CAT1>enable
MSFC-CAT1#show running-config
Building configuration...
Current configuration : 868 bytes
!
version 12.1
!
hostname MSFC-CAT1
!
boot system bootflash:c6msfc2-jsv-mz.121-8b.E7
!
ip subnet-zero
!
!
!
redundancy
!-- This command enables redundancy.
high-availability
!-- This command enables high availability.
single-router-mode
!-- This command enables SRM.
!
interface Vlan10
ip address 192.168.1.1 255.255.255.0
!-- Interface Vlan10 is connected to AS10.
!
interface Vlan20
ip address 192.168.2.3 255.255.255.0
!-- Interface Vlan20 is connected to interface Vlan20 on CAT2 via the trunk.
!
router bgp 4
no synchronization
bgp log-neighbor-changes
network 192.168.0.0 mask 255.255.0.0
neighbor 192.168.1.2 remote-as 10
!-- This command establishes eBGP peering with AS10.
neighbor 192.168.2.1 remote-as 4
!-- This command establishes iBGP peering with interface VLAN 20 on CAT2.
neighbor 192.168.2.1 next-hop-self
!-- This command assigns a next-hop value to 192.168.2.3 !-- for updates sent to 192.168.2.1 (the iBGP peer).
!
ip classless
ip route 192.168.0.0 255.255.0.0 Null0
MSFC Configuration on CAT2
CAT2 (enable)
CAT2 (enable) session 15
Trying Router-15...

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