tcpdump mailing list archives

Re: vlan [xx] filter not filtering any packets

From: sthaug () nethelp no
Date: Mon, 08 Jun 2009 14:36:52 +0200 (CEST)

I've spent some time playing with tcpdump and pcap with regard 
to vlans. Using libpcap 1.0.0 + tcpdump 4.0.0, I can able to 
correctly dump packets including (reconstructed) vlan headers. 
But it seems that using the vlan filter keyword does not work.


Can't answer for Linux, but VLAN filtering definitely works on FreeBSD.

Steinar Haug, Nethelp consulting, sthaug () nethelp no
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Current thread:

vlan [xx] filter not filtering any packets Nikola Ciprich (Jun 08)
- Re: vlan [xx] filter not filtering any packets sthaug (Jun 08)
- Re: vlan [xx] filter not filtering any packets Nikola Ciprich (Jun 08)
- Re: vlan [xx] filter not filtering any packets Michael Richardson (Jun 08)
  - Re: vlan [xx] filter not filtering any packets Nikola Ciprich (Jun 09)
- Re: vlan [xx] filter not filtering any packets Guy Harris (Jun 10)
  - Re: vlan [xx] filter not filtering any packets Guy Harris (Jun 10)
    - Re: vlan [xx] filter not filtering any packets Nikola Ciprich (Jun 11)
    - Re: vlan [xx] filter not filtering any packets Guy Harris (Jun 11)