[nsp] Duplex Mode Problem
Oliver Boehmer (oboehmer)
oboehmer at cisco.com
Mon Mar 17 17:34:37 EST 2003
>
> * info at faraco.com (Info) [Mon 17 Mar 2003, 15:19 CET]:
> > I've an AS5300 and I've connected both Ethernet0 and
> FastEthernet0 of
> > the router to my switch.
> > I've configured FastEthernet0 for FullDuplex 100M and
> Ethernet0 mode
> > both on the router and the switch.
> > But I get the following errors in syslog:
> >
> > 268738: *Mar 17 00:16:03.998 UTC: %CDP-4-DUPLEX_MISMATCH: duplex
> > mismatch discovered on FastEthernet0 (not half duplex),
> with fara5300
> > Ethernet0 (half duplex).
> > 268751: *Mar 17 00:17:03.998 UTC: %CDP-4-DUPLEX_MISMATCH: duplex
> > mismatch discovered on Ethernet0 (not full duplex), with fara5300
> > FastEthernet0 (full duplex).
>
> Get a Cisco switch, or disable CDP on the interfaces.
.. or configure "no cdp advertise-v2". Or, if you use a new 12.2T/12.2B
image, configure "no cdp log mismatch duplex" (CSCdp30476) to get rid of
those messages while still keeping the rest of cdp's functionality.
oli
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