At a minimum you've cleaned up your QOS :-) But as Tony suggests, I'd still do a 'yum update'.
On Wed, Jun 22, 2011 at 3:04 PM, Alex Brown <alex...@bellsouth.net> wrote: > OK, I've reconfigured the port as follows to mark all ingress traffic > with a dscp value of 46 (ef): > > interface GigabitEthernet1/0/7 > stp edged-port enable > broadcast-suppression pps 3000 > port access vlan 162 > undo jumboframe enable > description sipXecs > traffic-priority inbound ip-group 2000 rule 0 dscp ef > priority-trust cos > > Thank you very much for your help. Hopefully this improves things. > > > On 6/22/2011 11:59 AM, Michael Picher wrote: > > Yea, you don't want to 'trust' dscp because sipXecs doesn't set it... > > you want to force dscp 46 on that port for all traffic... > > > > Thanks, > > Mike > > > > On Wed, Jun 22, 2011 at 11:14 AM, Alex Brown <alex...@bellsouth.net > > <mailto:alex...@bellsouth.net>> wrote: > > > > On 6/22/2011 9:45 AM, Michael Picher wrote: > > > Which port is your sipXecs system plugged into? I don't see a > > port with > > > DSCP 46 forced. > > > > > > > My sipXecs system is plugged into port 7 on a 3Com 4200G. Here's the > > configuration for that port: > > > > interface GigabitEthernet1/0/7 > > stp edged-port enable > > broadcast-suppression pps 3000 > > port access vlan 162 > > undo jumboframe enable > > priority-trust cos > > > > I have just changed the configuration to the following, changing the > > priority-trust from cos to dscp: > > > > interface GigabitEthernet1/0/7 > > stp edged-port enable > > broadcast-suppression pps 3000 > > port access vlan 162 > > undo jumboframe enable > > priority-trust dscp > > > > The 3Com switches allow for the automatic setting of the COS to 6 and > > the DSCP to 46 when ports are configured to be a part of the "voice > > vlan." "Voice VLAN" is a feature of the 3Com 4200 switches. Our > voice > > vlan is 162 and because the port (interface GigabitEthernet1/0/7) is > > already in VLAN 162, I believe its DSCP value is already set to 46 > > because when, as a test, I tried to add the "voice vlan enable" > command > > to that port, it told me the following: > > > > [4200G]interface GigabitEthernet1/0/7 > > [4200G-GigabitEthernet1/0/7]voice vlan enable > > Can't enable voice vlan because the port is in voice vlan and auto > > mode has been set! > > [4200G-GigabitEthernet1/0/7] > > > > When I look at the status for the voice VLAN, I see the following: > > > > [4200G]display voice vlan status > > Voice Vlan status: ENABLE > > Voice Vlan ID: 162 > > Voice Vlan security mode: Security > > Voice Vlan aging time: 1440 minutes > > Current voice vlan enabled port mode: > > PORT MODE COS DSCP > > --------------------------------------------- > > GigabitEthernet1/0/4 AUTO 6 46 > > GigabitEthernet1/0/5 AUTO 6 46 > > GigabitEthernet1/0/6 AUTO 6 46 > > GigabitEthernet1/0/8 AUTO 6 46 > > GigabitEthernet1/0/9 AUTO 6 46 > > GigabitEthernet1/0/10 AUTO 6 46 > > GigabitEthernet1/0/11 AUTO 6 46 > > GigabitEthernet1/0/12 AUTO 6 46 > > GigabitEthernet1/0/13 AUTO 6 46 > > GigabitEthernet1/0/14 AUTO 6 46 > > GigabitEthernet1/0/15 AUTO 6 46 > > GigabitEthernet1/0/18 AUTO 6 46 > > GigabitEthernet1/0/19 AUTO 6 46 > > GigabitEthernet1/0/20 AUTO 6 46 > > GigabitEthernet1/0/21 AUTO 6 46 > > GigabitEthernet1/0/22 AUTO 6 46 > > GigabitEthernet1/0/23 AUTO 6 46 > > GigabitEthernet1/0/24 AUTO 6 46 > > > > [4200G] > > > > The voice VLAN is a dynamic VLAN that automatically detects the > presence > > of IP phones based on their MAC addresses. Since the sipXecs server > is > > not a Polycom phone, it does not appear in this dynamically updated > > list. > > > > The following statement is from the 3Com Switch 4200G Family > > Configuration Guide: > > > > In order to improve the transmission quality of voice traffic, the > > switch by default re-marks the precedence of the traffic in the voice > > VLAN as follows: > > - Set the CoS (802.1p) precedence to 6. > > - Set the DSCP precedence to 46. > > > > > > _______________________________________________ > > sipx-users mailing list > > sipx-users@list.sipfoundry.org <mailto: > sipx-users@list.sipfoundry.org> > > List Archive: http://list.sipfoundry.org/archive/sipx-users/ > > > > > > > > > > -- > > Michael Picher > > eZuce > > Director of Technical Services > > O.978-296-1005 X2015 > > M.207-956-0262 > > @mpicher <http://twitter.com/mpicher> > > www.ezuce.com <http://www.ezuce.com> > > > > > _______________________________________________ > sipx-users mailing list > sipx-users@list.sipfoundry.org > List Archive: http://list.sipfoundry.org/archive/sipx-users/ > -- Michael Picher eZuce Director of Technical Services O.978-296-1005 X2015 M.207-956-0262 @mpicher <http://twitter.com/mpicher> www.ezuce.com
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