[ovs-discuss] An issue about multiple MPLS Labels
da_yu at brown.edu
Mon Jan 25 22:05:08 UTC 2016
I found an issue when I try to encapsulate a packet with multiple MPLS
labels (I know, for current ovs, it only support stack with depth 3.) I
encapsulated a packet with MPLS three times and decapsulated them
immediately. From tcpdump, the original packet may become malformed. Is it
a bug or a limitation?
To help you reproduce, my testbed looks like this:
h1 ---- s1 ----- h2
In s1, the rule is:
cookie=0x0, duration=4.179s, table=0, n_packets=4, n_bytes=392,
I found the issue occurs only on packets with n times encapsulations. (n >=
2, which means, push 1 tag and remove that tag directly works fine).
I tired this on OVS-2.4 and OVS-2.5.90. And, I'm using ubuntu 14.04LTS.
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