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Secondary Ip on cisco 3745

imnilesh
Level 1
Level 1

hi;

i am having cisco 3745 router with 2 ethernet ; want to create 4 diffrent subnet on one of the ethernet port for VLAN. Is it possible? let me know....

Also what will be other way to create diffrenet subnet on one interface.I dont have any other module with me and dont have much time to get one as need to setup the LAn with in 2 days.....

you can refer the attached LAN connectivty diag. where user on 10.155.3.3 pc should able to access server on subnet 10.155.1.0 same with other floor users..

regards;

nilesh.

1 Reply 1

Jon Marshall
Hall of Fame
Hall of Fame

Hi

Yes you can do this as long as the interface is fastethernet or gigabitethernet.

You need to create subinterfaces on the ethernet port eg:

interface fa0/0.10

encapsulation dot1q 10

ip adddress "ip" "subnet mask"

interface fa0/0.20

encapsulation dot1q 20

ip address "ip" "subnet mask"

You will need to make the connection from the ethernet interface to the switch a trunk link on the switch.

You will need IP PLUS feature set minimum to do the encapsulation.

HTH

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