help needed for 802.1p

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solo

help needed for 802.1p

Post by solo »

I´ve been trying to configure a rule in order to set a 802.p of 7 to all traffic on one vlan. In my lab I´m using vlan 40 and these are the configs that i´ve tested


qos enable
qos trust ports
policicy condition VoIP source vlan 40
policy action set 802.1p 7
policy rule voip condition VoIP action set
qos apply


qos enable
qos trust ports
policicy condition VoIP source ip 10.10.10.0 mask 255.255.255.0
policy action set 802.1p 7
policy rule voip condition VoIP action set
qos apply

Where 10.10.10.0 is the segment of the vlan 40

also,

qos enable
qos trust ports
policicy condition VoIP source port 1/13
policy action set 802.1p 7
policy rule voip condition VoIP action set
qos apply

where port 1/13 is the port of an ipphone.

I,ve been snnifering the output of the links and I can see the priority.

Does anyone has an idea of what I´ve to do in order to make it work???
silvio
Alcatel Unleashed Certified Guru
Alcatel Unleashed Certified Guru
Posts: 2111
Joined: 01 Jul 2008 10:51
Location: Germany

Re: help needed for 802.1p

Post by silvio »

hi,
do you see the 802.1q-tag with sniffer? Most of 1G-NICs I have tested don't see this with wireshark. I use an old 100M-USB-NIC for sniffering of q-tags.
Your config is okey. If you set the prio with a policy you don't need trust the incomming prio.
So you can delete the fist two commands (qos is enabled by default).
regards
Silvio
cedric1

Re: help needed for 802.1p

Post by cedric1 »

hello

did you use 802.1Q between your phone and port of the switch ? if no there is no 802.1p on the outgoing traffic
I have the same pb, wireshark don't show 802.1q tag (I use a fluke to see them)
As silvio said you are okay with your config

Cedric
solo

Re: help needed for 802.1p

Post by solo »

Hi, all

the problem is that the OS have a the default trust for ipphones, so any policy that you configure won´t be applied unless that you run the command qos no phones,
I tried after that command and priority was gorking.

Solo
cedric1

Re: help needed for 802.1p

Post by cedric1 »

ok thanks for this clarification.
silvio
Alcatel Unleashed Certified Guru
Alcatel Unleashed Certified Guru
Posts: 2111
Joined: 01 Jul 2008 10:51
Location: Germany

Re: help needed for 802.1p

Post by silvio »

this is right for Alcatel-phones (mac-depending). Thats why I prefer to set prio direct in the phone (at Alcatel in the pbx) and trust the incomming prio.
regards Silvio
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