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CCIE #29033

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Monday, May 9, 2011

Quick Notes - IRB - IEEE

BBBB must be able to connect to AAAA and vice versa. Layer2 must be used on hub and AAAA/BBBB must leverage layer 3 ports on the directly connected interface.

IRB(config)#bridge irb
IRB(config)#bridge 1 protocol ieee

IRB(config)#interface FastEthernet0/0
IRB(config-if)#bridge-group 1

IRB(config)#interface FastEthernet0/1
IRB(config-if)#bridge-group 1

AAAA(config-if)#do sh run inter fas 0/0
Building configuration...

Current configuration : 96 bytes
!
interface FastEthernet0/0
 ip address 192.168.0.2 255.255.255.0
 duplex auto
 speed auto
end


BBBB(config-if)#do sh run inter fas 0/0
Building configuration...

Current configuration : 96 bytes
!
interface FastEthernet0/0
 ip address 192.168.0.1 255.255.255.0
 duplex auto
 speed auto
end

AAAA(config-if)#do ping 192.168.0.1

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.0.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 208/216/220 ms
AAAA(config-if)#


IRB(config)#do sh bridge 1

Total of 300 station blocks, 298 free
Codes: P - permanent, S - self

Bridge Group 1:

    Address       Action   Interface       Age   RX count   TX count
cc05.1594.0000   forward   FastEthernet0/0   0         51         19
cc04.1594.0000   forward   FastEthernet0/1   0         56         20

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