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New Member

router on a stick

I have an isr 2851 and need to support multiple vlans on g0/0, I'm connecting to a layer 2 switch. Is a router on a stick my only option? Do the isr's support a trunk command, similar to the "switchport mode trunk" found on cat switches?

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Hall of Fame Super Blue

Re: router on a stick

"I'm connecting to a layer 2 switch. Is a router on a stick my only option"

Unless you have an etherswitch module in the 2851 then yes that is pretty much your only option.

"Do the isr's support a trunk command, similar to the "switchport mode trunk" found on cat switches?"

Again with etherswitch modules this command is available but not if you are just using one of the inbuilt gigabit ethernet interfaces.

Jon

2 REPLIES
Hall of Fame Super Blue

Re: router on a stick

"I'm connecting to a layer 2 switch. Is a router on a stick my only option"

Unless you have an etherswitch module in the 2851 then yes that is pretty much your only option.

"Do the isr's support a trunk command, similar to the "switchport mode trunk" found on cat switches?"

Again with etherswitch modules this command is available but not if you are just using one of the inbuilt gigabit ethernet interfaces.

Jon

New Member

Re: router on a stick

thanks for the quick answer to my post.

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