[nsp] dot1q subints on 6500/sup720

[Tomas Daniska]

do you really require a dot1q trunk for each carrier? if not, switchport
mode access is your friend :)

or vlan translation could help you

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/122sx/swcg/v
lans.htm#wp1044990

--

deejay  

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net 
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Simon Lockhart
> Sent: Tuesday, March 30, 2004 12:59
> To: cisco-nsp at puck.nether.net
> Subject: [nsp] dot1q subints on 6500/sup720
> 
> Dear Collective Wisdom,
> 
> We're just planning our migration from 7200/GSR to 
> 6509/Sup720, and one area that may be an issue for us is 
> dot1q subints. We have a number of ports which go off to 
> carriers who deliver private interconnects on different 
> VLANs. Currently we terminate these on a 7200, and nicely 
> create subints for each VLAN.
> 
> Now, as we migrate to the 6500, I see that we can still 
> create subints, but it won't let us use the same VLAN id on 
> two different physical interfaces.
> This makes sense, as it's just using one VLAN table for the 
> whole switch.
> 
> However, what's the best way to remove this restriction? Is 
> the GE-WAN the only answer? What about for 100M ports?
> 
> Thanks,
> 
> Simon
> -- 
> Simon Lockhart     |   Tel: +44 (0)1628 407720 (x(01)37720) | 
> Si fractum 
> Technology Manager |   Fax: +44 (0)1628 407701 (x(01)37701) | 
> non sit, noli 
> BBC Internet Ops   | Email: Simon.Lockhart at bbc.co.uk        | 
> id reficere
> BBC Technology, Maiden House, Vanwall Road, Maidenhead. SL6 4UB. UK
> 
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