[afnog] MPLS LSP UP but no traffic

[ibtisam jamal]

On Sun, Oct 16, 2011 at 10:42 PM, ibtisam jamal <ibty.jamal at gmail.com>wrote:

> Hi,
>
> Please see response below;
>
>  On Thu, Oct 13, 2011 at 6:57 PM, Mark Tinka <mtinka at globaltransit.net>wrote:
>
>> On Thursday, October 13, 2011 11:45:22 PM ibtisam jamal
>> wrote:
>>
>> > Hi,
>> >
>> > I am experiencing a problem on the network whereby ,the
>> > physical link is up and mpls lsp up but traffic is not
>> > going through.
>> >
>> > Anyone faced this before ,what could it be .
>>
>> You're giving bare-bones information for us to work with.
>>
>>        a) What are you trying to solve?we use the mpls vpn to carry voice
>> traffic.
>>
>             We have several links, one as the primary and others as
> secondary.The primary link is a fibre link and secondary links are
> microwave.Something odd has been happening on the primary link.It is
> physicaly up and lsp is up but it has no traffic and the secondary links do
> not take over because,rsvp knows that the lsp is up.I am trying to find out
> why we have this and how we can stop it from occurring again
>
> also what is the impact of setting ERO options such as strict and loose ?
>
>
>
>>        b) You mention an MPLS LSP; is this for a VPN, a
>>           Multicast service, or something else?yes ,for a VPN
>>
>>
>>        c) Have you tried a traceroute? If so, where does it
>>           fail?no trace-route was done.Will do when the
>> problem occurs again .
>>
>>
>>        d) Do you have a basic topology to go along with
>>           your details? don't have it now.
>>
>>
>>        e) What kind of routers are you running, and what
>>           software revision?Juniper M10i software 9.5R4.3 and 10.4R4.5
>>
>
>
>> sample config : amberf is the fibre link
>>
>
> }
> label-switched-path BH_SR02_DS_SR02 {
>     to 10.87.0.2;
>     least-fill;
>     fast-reroute;
>     primary BH_SR02_DS_SR02_Prim {
>         admin-group include-any amberf;
>     }
>     secondary BH_SR02_DS_SR02_Sec {
>         admin-group include-any [ blue yellow amber green silver ];
>     }
>     secondary BH_SR02_DS_SR02_3rd {
>         admin-group include-any [ red purple amber green silver ];
>     }
>     secondary BH_SR02_DS_SR02_4th {
>         admin-group include-any [ red purple orange maroon green ];
>     }
>     secondary BH_SR02_DS_SR02_5th {
>         admin-group {
>             include-any [ blue yellow orange maroon green ];
>             exclude amber;
>         }
>     }
>     secondary BH_SR02_DS_SR02_6th {
>         admin-group include-any [ blue cyan denim violet amber green yellow
> purple red ];
>     }
> }
> path BHSR02_DSNSR01_pri {
>     10.87.0.14 loose;
> }
> path BHSR02_DSNSR01 {
>     10.87.0.22 strict;
>     10.87.0.21 strict;
>     10.87.0.1 strict;
>     10.87.0.11 strict;
> }
> path BH_SR02_DS2_SR02_Sec4;
> path BH_SR02_DS2_SR01_Sec4;
> path BH_SR02_DS_SR01_6th;
> path BH_SR02_DS_SR02_6th;
> path BH_SR02_DS2_SR01_Sec5;
> path BH_SR02_DS2_SR02_Sec5;
> interface ge-0/1/3.206 {
>     admin-group green;
> }
> interface ge-0/1/0.0 {
>     admin-group maroon;
> }
> interface ge-0/1/1.0 {
>     admin-group amberf;
>  }
>
>
>>
>> Need a lot more information to help you, Ibtisam.
>>
>> Mark.
>>
>
>
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