We are a small WISP using some RB2011 along with a combination of
Ubiquiti and Cambium gear. We're wanting to deploy voice and we're using
some Innomedia ATA devices. Because of our mixed networks, we have
selected a common configuration for our ATA's. The ATA's will use VLAN V
priority (802.1p) 6 and also set DSCP to a value that is prioritized in
both radio platforms. By the way, we also push out a management VLAN M
and drop off untagged customer traffic.
Cambium can use ptag and/or DSCP, we don't really have a problem there.
Our problem has cropped up on Ubiquiti. Due to Ubiquiti's
implementation, the DSCP cannot be relied on across their radios, so we
need the 802.1p applied in order for that voice traffic to be
prioritized properly. Cambium can use either ptag and/or DSCP, we don't
really have a problem there.
However, I cannot get our RB2011 to assign a priority other than zero. I
cannot find a directly analogous example after some googling and I have
poked at feature after feature in the RB2011 with no effect. I have
tried using bridge filters, in//put, output, forward, I have tried ip
firewall mangle rules, and nothing has had any effect whatsoever.
It's unfortunate that I cannot set the 802.1p value at the interface
level while setting VLAN ID. Our Innomedia devices are applying the
correct 802.1p values and we can see that using wireshark. Basically, we
see the packets going one direction (from the ATA) VLAN V priority 6 but
in the other direction (from the RB2011) we see VLAN V priority 0. We're
not concerned at the moment about priority inside the RB2011 itself, but
are needing the priority to be set correctly as it transits the wireless
equipment. Does anyone out there have an example or suggestion on what
else to try?
--Dan Parrish
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