[c-nsp] UDLD is err-disabling EoMPLS VC

BALLA Attila atis at eik.bme.hu
Thu Feb 19 16:25:49 EST 2009


Hello,

   UDLD is a Layer2 protocol, so EoMPLS transports all UDLD frames coming 
from CE. You should disable udld PE's interfaces connected to CE devices.

BR, A.

On Thu, 19 Feb 2009, Ruben Montes (Europe) wrote:

> Hi,
>
> We're already running 12.2(18)SXF11.
>
> I have udld enabled for the whole box, do you mean that I must
> explicitly disable udld in the interfaces on the PE switches where I
> have created the VC with x-connect?
>
> Thanks in advance,
>
> Ruben
>
> -----Original Message-----
> From: BALLA Attila [mailto:atis at eik.bme.hu]
> Sent: jueves, 19 de febrero de 2009 17:00
> To: Ruben Montes (Europe)
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] UDLD is err-disabling EoMPLS VC
>
> I had the same issue, it must be CSCsh99351, it is fixed in
> 12.2(18)SXF11.
> You should use udld on ce uplinks only.
>
> BR, A.
>
> On Thu, 19 Feb 2009, Ruben Montes (Europe) wrote:
>
>> Hi,
>>
>> We have configured a new EoMPLS VC. After 3 or 5 pings, UDLD
>> err-disables one of the interfaces. We are using port mode, is it
>> recommended to run such a a feature in this type of connections?
>>
>> All the path has MPLS enabled and jumbo MTU enabled.
>>
>> Thanks in advance,
>>
>> Ruben
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