Recently my company upgraded IOS on several hundred Cisco 2651XMs from 12.2.37 to 12.3.22a and we started having problems with some 50+ sites still on ISDN BRI as backup. We use dialer interface as multilink PPP logical interface. So on actual BRIs o...

Recently my company upgraded IOS on several hundred Cisco 2651XMs from 12.2.37 to 12.3.22a and we started having problems with some 50+ sites still on ISDN BRI as backup. We use dialer interface as multilink PPP logical interface. So on actual BRIs o...

I have to configure QoS on 3550 to identify and tag voice traffic with real-time priority (dscp 46) and rest of the traffic with default priority (dscp 0), so just need two queues, one with 90% bandwidth for non-voice traffic and 10% for voice traffi...