bgp基本配置

RTC:

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interface Ethernet0/0/0

ip address 192.168.2.2 255.255.255.0

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#

interface LoopBack0

ip address 3.3.3.3 255.255.255.255

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bgp 200

router-id 3.3.3.3

peer 2.2.2.2 as-number 200

peer 2.2.2.2 connect-interface LoopBack0

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ipv4-family unicast

undo synchronization

peer 2.2.2.2 enable

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ospf 1

area 0.0.0.0

network 192.168.2.0 0.0.0.255

network 3.3.3.3 0.0.0.0

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RTB:

interface Ethernet0/0/0

ip address 192.168.1.2 255.255.255.0

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interface Ethernet0/0/1

ip address 192.168.2.1 255.255.255.0

interface LoopBack0

ip address 2.2.2.2 255.255.255.255

#

bgp 200

router-id 2.2.2.2

peer 3.3.3.3 as-number 200

peer 3.3.3.3 connect-interface LoopBack0

peer 192.168.1.1 as-number 100

#

ipv4-family unicast

undo synchronization

import-route direct

peer 3.3.3.3 enable

peer 192.168.1.1 enable

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ospf 1

area 0.0.0.0

network 2.2.2.2 0.0.0.0

network 192.168.2.0 0.0.0.255

RTA:

interface Ethernet0/0/0

ip address 192.168.1.1 255.255.255.0

#

interface Ethernet0/0/1

ip address 192.168.3.2 255.255.255.0

interface LoopBack0

ip address 1.1.1.1 255.255.255.255

#

bgp 100

router-id 1.1.1.1

peer 192.168.1.2 as-number 200

#

ipv4-family unicast

undo synchronization

network 192.168.3.0

peer 192.168.1.2 enable