[c-nsp] q-in-q mtu

[Christophe Lucas]

Le 20/10/2010 19:42, Antonio Querubin a écrit :
> A new carrier will be handing us customer connections as q-in-q vlans.
> However, during our initial network validation we noticed what seem like
> possible MTU issues.  Pings work fine but HTTP connections to various
> sites is flakey - more so for IPv4 than IPv6 oddly enough.
>
> The customer circuit is terminated on a q-in-q sub-interface of a
> FastEthernet interface on our Cisco 7206VXR.  We interconnect with the
> carrier's Ciena switches through our HP Procurve 4000M switches:
>
> 7206VXR --- HP 4000M --- HP 4000M --- Ciena switches ... --- customer
>
> Our HP switches use an MTU of 1514.  The default MTU on our 7206
> sub-interfaces is 1500.  The MTU of the physical FastEthernet is 1500.

Hi,

Oh sorry, don't have seen __FastEthernet__.
Sorry for the noise :(

Regards,
-- 
Christophe Lucas - Network Engineer - c.lucas at infosat-telecom.fr
Tel : +33(0)974.762.595 - Fax : +33(0)09.72.19.53.58