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3548xl to GEIP+ one arm routing

If I set up a link from a 3548 to a GEIP+ and segment the switch into 3 vlans, what IP should I use on the switch for the default gateway?

Also, do I have to set up a native vlan for vlan 1 since it is DOT1Q? I have only used the ISL trunks before and was not sure of the config. I am trying to set the switch up to pass 4 vlans over the Gig port to the router. The 3548 is set based.

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Community Member

Re: 3548xl to GEIP+ one arm routing

There won’t be an ip on the switch used for default gateway, which is the job of the router. A layer 2 switch doesn’t care about layer 3 addressing at all. Your router will have four subinterfaces , these will be the default gateways…one for each of the respective networks. http://www.cisco.com/warp/public/473/50.shtml

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