I suppose the default MTU of 1518 on the Foundry device includes the ethernet header and checksum, which leaves 1500 bytes for the payload. This is not sufficient to carry 1500 bytes IP packets + the mpls label(s). Try increasing the MTU on the Big Iron.
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Introduction: The "external-out enable" command is available for
configuration under the "router ospf process" in case of the IOS-XR
operating system. This command basically enables advertisement of
intra-area routes on the device as external routes in th...
IntroductionIn this article we'll discuss how to troubleshoot packet
loss in the asr9000 and specifically understanding the NP drop counters,
what they mean and what you can do to mitigate them. This document will
be an ongoing effort to improve troublesh...