[FS#3852] 802.11r management messages incorrectly sent without VLAN tag when network uses VLAN-aware bridge
openwrt-bugs at lists.openwrt.org
Thu Jun 3 17:05:46 PDT 2021
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FS#3852 - 802.11r management messages incorrectly sent without VLAN tag when network uses VLAN-aware bridge
User who did this - Jan Hoffmann (janhoffmann)
I actually looked at the data from tcpdump in Wireshark, and there the VLAN tag was missing for the 802.11r messages, but it was there for everything else. So this is an actual issue and not just because of the tcpdump filter.
Thanks for the tip to use "ether proto 0x88b7" and the "-e" option. I accidentally typed "ether type 0x88b7", which results in "tcpdump: 802.11 link-layer types supported only on 802.11"...
So, the best way to check for the issue then is to use the following tcpdump command and look for the VLAN tag (which is not displayed, because it is not there):
tcpdump -i br-lan -e "ether proto 0x88b7"
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