we've had success putting voice into the priority queue on 6724 ports, but in a routed topology. you still might want to look into these port-level features:
priority-queue queue-limit <x> priority-queue cos-map <x> On Sat, Mar 26, 2011 at 4:12 PM, Peter Olsson <[email protected]> wrote: > We usually use this QoS config to give voice traffic priority: > class-map match-all VOICE > match ip dscp ef > policy-map BRANCH-WAN-EDGE_child > class VOICE > priority percent 10 > class class-default > fair-queue > random-detect dscp-based > policy-map BRANCH-WAN-EDGE_parent > class class-default > shape average 100000000 > service-policy BRANCH-WAN-EDGE_child > interface GigabitEthernet0/1.402 > service-policy output BRANCH-WAN-EDGE_parent > > But now we have to do this in a 7609 with WS-X6724-SFP cards. > The setup is that the WAN lines come in on a 3750 switch, and > the 3750 switch is connected to the 7609 on two gigabit ports > in different WS-X6724-SFP cards, combined by a port-channel. > In the 7609 the WAN VLAN is terminated like this: > interface Vlan402 > bandwidth 100000 > ip address xxx > > All physical ports in the 7609 trust dscp: > mls qos trust dscp > Other than that we only have this QoS config in the 7609: > mls qos > mls qos map cos-dscp 0 8 16 24 32 46 48 56 > > I tried our usual config and some other variants, but the > 7609 won't accept shaping or priority or hierarchical QoS. > Probably because it doesn't have real WAN cards since the WAN > lines are connected to the 3750. > > Is there any way to do what we want in the 7609? > The only requirement right now is to give priority to traffic > marked with dscp ef. We would prefer to configure this priority > per VLAN if possible, but will do it on the physical interfaces > (or maybe on the port-channel?) if that's the only way. > > A possible complication is that the WAN lines have different > bandwidth. Usually 50 Mbps, but some are 100 Mbps. This is why > priority configuration per VLAN is preferred. > > Thanks! > > -- > Peter Olsson [email protected] > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
