[c-nsp] catalyst 6500 not rewriting CoS / 802.1p bits

[Vladimir Ivashchenko]

Hi,

No, it is on 8-port GBIC (WS-X6408A-GBIC) module. The supervisor is Sup720-3B.

On Sun, Feb 10, 2008 at 05:17:58PM +0100, Fredrik Jacobsson wrote:

> Is it a port on the supervisor? What sup version?
> There is a known problem with the ports on the sup2.
> 
> For some qos operations (I think it include rewrites) the ports on the
> sup2 card requires a epld upgrade (to v7). TAC will supply you with it
> if you ask for it.
> 
> You can probably find more info on some releasenotes or bug toolkit searches.
> I dont remember the details, sorry.
> 
> /Fredrik
> 
> 
> 2008/2/9, Vladimir Ivashchenko <hazard at francoudi.com>:
> > Hi List,
> >
> > We cannot get Cat6500 to rewrite CoS values (802.1p bits).
> >
> > Configuration is
> >
> > mls qos
> > no mls flow ip
> > no mls flow ipv6
> > no mls qos rewrite ip dscp
> > no mls acl tcam share-global
> > mls cef error action freeze
> >
> > interface GigabitEthernet2/1
> >  switchport
> >  switchport trunk encapsulation dot1q
> >  switchport mode trunk
> >  no ip address
> >  load-interval 30
> >  wrr-queue queue-limit 40 30
> >  mls qos cos 5
> >  no cdp enable
> >  spanning-tree portfast trunk
> >  no mls qos trust
> >
> > We have a sniffer connected to dot1q trunk on another port. The sniffer shows that 802.1p value for packets going out
> > from Gig2/1 is set to 0. We have tried searching Cisco site and playing with various commands, but did not succeed. IOS
> > 12.2(18)SXF5.
> >
> > Catalyst 3560 has "mls qos cos override" command, which seems to do the trick, but this command is not available on
> > Catalyst 6500.
> >
> > --
> > Best Regards
> > Vladimir Ivashchenko
> > Chief Technology Officer
> > PrimeTel, Cyprus - www.prime-tel.com
> > _______________________________________________
> > cisco-nsp mailing list  cisco-nsp at puck.nether.net
> > https://puck.nether.net/mailman/listinfo/cisco-nsp
> > archive at http://puck.nether.net/pipermail/cisco-nsp/
> >

-- 
Best Regards
Vladimir Ivashchenko
Chief Technology Officer
PrimeTel, Cyprus - www.prime-tel.com