Re: FreeBSD 6.2 does not reply to 802.1Q frame
- From: "Frank Munkert" <munfree@xxxxxxxxxx>
- Date: Tue, 6 Mar 2007 19:32:01 +0100
If I switch off 802.1Q in my IP phone (Siemens OptiPoint), then I also would
have to switch off 802.1Q on all other phones in our network; therefore,
this is not feasible. Is it a known bug in FreeBSD that it cannot process
frames for which the VLAN ID is 0?
- Frank
"Martin" <not-for-mail@xxxxxxxxxxx> wrote:
Frank Munkert wrote:
My IP phone does not use VLANs. "vlan 0" means that only the priority tagA basic question is whether anything on your network (FreeBSD firewall,
in the 802.1Q Ethernet frame shall be considered, and that the VLAN tag
shall be ignored.
ethernet switches, or upstream router) is actually going to recognize the
priority tag. If not, then you might achieve the same effect in other
ways, e.g.
1) If you're using PF and ALTQ, then you could turn off the phone's 802.1Q
tagging, and configure ALTQ traffic shaping based on IP address or
protocol ports.
2) Configure the phone to use VLAN 2 (say) and give priority to traffic
from that VLAN. IP phones are often configurable to use VLANs, so that
corporate deployments can easily separate VOIP frames from other traffic.
.
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