The MPLS-OPS Archive

["McCallum, Robert" <robert.mccallum@thus.net>]

only when the ldp router-id isnt reachable i.e. not being advertised in igp.

Robert McCallum 
CCIE #8757 R&S
01415663448
07818002241 

> -----Original Message-----
> From: Garry Glendown [mailto:garry@regio.net] 
> Sent: 21 February 2005 15:19
> To: mpls-ops@mplsrc.com
> Subject: [MPLS-OPS]: Problem with Cisco ...
> 
> 
> Hi,
> 
> on occasion I have had some problems with a Cisco router ... as such, 
> the system works fine, with internal MPLS VRFs as well as routing the 
> data through our MPLS enabled backbone. But I've now had a problem 
> (again) where a PE router would lose its BGP connection to 
> the neighbor 
> (on one occasion I had to shut the session down temporarily), 
> and then 
> all MPLS communication was dead ... the "show tag 
> forwarding-table" in 
> the PE router in that accasion was empty ... show the "show 
> tag tdp nei" 
> would still show the neighbar, and "show tag interfaces" still showed 
> the ethernet as being up and operational ...
> 
> The only solution I have found to this problem to date is a complete 
> router reload ... understandably, I would prefer a) not to 
> run into this 
> problem, and b) in case I do a different means of restarting the MPLS 
> communication than a router reload ...
> 
> N.b.: Due to feature limitations, I can't switch the IOS to 
> the one that 
> seems to be working better on the other routers ...
> 
> Has anybody experienced such a problem, and might know a solution?
> 
> Tnx, -gg
> 
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