Red Hat Bugzilla – Bug 607608
bnx/8021q does not separate vlans correctly
Last modified: 2011-06-27 14:52:16 EDT
Description of problem:
I've got a 4-port network card, which is supposed to work with 802.1Q-tagged network traffic. When I use an eth0 interface, everything works as expected. Appropriate frames are delivered to proper vlan interfaces (that is eth0.vlan-id and the like). However whenever I try to use the other three interfaces nothing appears on eth.vlan-id.
I thought disabling an asf interpreter on firmware could solve the problem. Two of the all four ports are capable of grabbing management traffic (but since there is another dedicated management port, DRAC was configured to listen on the latter anyway). The uxdiag utility with mfw option was used, but nothing has changed.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. ip l s eth up
2. vconfig add eth vlan-id
3. ip l s eth.vlan-id up
4. tcpdump -i eth (and watch frames flowing happily)
5. tcpdump -i eth.vlan-id (and enjoy utter silence)
on the eth.vlan-id interfaces traffic is filtered out
on the eth.vlan-id interfaces traffic is present
Created attachment 426568 [details]
Has anybody been able to reproduce that erroneous behaviour?
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