d-link switch to cisco router

900 pts.
Tags:
Cisco router configuration
Cisco Routers
Ethernet
Fast Ethernet
how can I include 3 ip addresses in a single fast ethernet port of a cisco router if the switch connected to that port is a d-link switch? do i have to create subinterface on that fast ethernet port?

 

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Cisco switches allow you to set an unlimited amount of secondary IP addresses per interface. To set an IP address for the interface, use: ip address <IP> <mask>

^^that is for the first IP address.

For additional IP Addresses, use: ip address <IP> <mask> secondary

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That really depends on what you’re trying to accomplish: If you have 3 VLANs that you want to connect (trunk) through the router, then yes, subinterfaces on, say, fa0/0 is a great way to go..

if you just need a secondary IP address on the interface, Ryans answer is it…

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