[c-nsp] Why it won't route vlan 1 ?

Gert Doering gert at greenie.muc.de
Tue May 15 14:57:02 EDT 2007


Hi,

On Tue, May 15, 2007 at 07:51:29PM +0200, Jerome Covini wrote:
> Jared Mauch wrote:
> > 	if you have vlan1 on more than one interface (eg: gig1/1 and gig1/2)
> > they are actually the same vlan.  This device is a switch, not an
> > independent router.
> 
> For info, the platform onto which it was working was a totally different 
> one i.e. Cisco 8540CSR with 2port GE modules.

The 8540 is more a "router" type device (well, routing bolted onto an
ATM switch or so) - the 6500/7600 is an "ethernet switch" device, with 
some of the good sides of it (cheap & fast & can do nice tricks with
etherchannels etc.) and some of the drawbacks (global vlan space, not 
per-interface).

gert
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de


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