Use router ethernet interface as a layer 2 ethernet port

Nov 25, 2006 1 Replies

Hi,



Is it possible to configure an Ethernet interface on a Cisco 7204 router as a layer 2 Ethernet port?



I have a Cisco 7204 router with 3 FastEthernet interfaces.


-interface FastE 0/0 is configured with an ip address 172.16.1.1/16


-interface FastE 0/1 is configured with an ip address 10.20.1.1/24


-interface FastE 0/2 is not used (no ip address assigned).



I want to connect a Cisco 3600 series router's FastE 0/0 directly to the Cisco 7204's FastE 0/2. The Cisco 3600 FastE 0/0 is configured with an ip address: 172.16.1.4/16



You probably want bridging,

! 7200 bridge irb bridge 1 protocol ieee bridge 1 route ip

int fa 0/0 no ip address bridge-group 1

int fa 0/2 no ip address bridge-group 1

int bvi 1 ip address 172.16.1.1 255.255.0.0

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