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

[Gert Doering]

Hi,

On Wed, May 16, 2007 at 10:01:07AM +0100, Tim Franklin wrote:
> On Tue, May 15, 2007 7:57 pm, Gert Doering wrote:
> 
> > 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).
> 
> Isn't this defined based on the type of card?  ISTR it being one of the
> differences between the 'LAN' and 'WAN' cards (OSMs as was, SIPs +
> appropriate SPAs now, I guess) - along with different QoS, shaping /
> policing, counters...

Correct.

> Depending on the number of ports needed, a GE "WAN" card might work out
> cheaper than a separate 7200 or re-engineering the network.

There is no way to make a 7200 (used only for 1-2 GE ports) as expensive 
as a SIP+GE-SPA :-) - but as I said, this very much depends on performance
needs.

gert

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Gert Doering - Munich, Germany                             gert at greenie.muc.de
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