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Is there a way to capture/display filter the Root Link Query messages??

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Hi. As you know, the RLQ (Root Link Query) is such a BPDU message that is used by BackboneFast feature on Cisco switches in order to help fast STP recovery. now, is there a way to capture/display filter this kind of message??

asked 30 Oct '15, 12:26

MehranBazgir's gravatar image

MehranBazgir
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One Answer:

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Hi,

there is no RLQ BPDU dissector in Wireshark, so there is no way to set a display filter.

I don't know if it's possible to set a capture filter, as I don't have a sample pcap file, besides the hex code printed in a book I found.

https://books.google.de/books?id=bsiMVwVBGl8C&lpg=PA72&ots=TPMPehpqU1&dq=rlq%20bpdu%20pcap&hl=de&pg=PA72#v=onepage&q=rlq%20bpdu%20pcap&f=false

Regards
Kurt

answered 30 Oct '15, 12:56

Kurt%20Knochner's gravatar image

Kurt Knochner ♦
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accept rate: 15%