Hi,I have a question about "priority percent" command.I want to deploy QoS at customer network to make sure voice traffic with DSCP46 and be treated with highest priority. All the packets makred with DSCP 46 will be put into LLQ on Cisco 3845 router,...

My question is if Cisco Catalyst switch can rewrite the CoS correctly between ISL and 802.1Q encapsulated packets.For example, packet with CoS 5 was encapsulated with 802.1Q and received by switch, if switch can write the same CoS value on the packet...

Voice packet was marked with DSCP EF, switch port was set to "trust dscp".As I known, most of Cisco switch and modules support only CoS maps to egress certain queue before sending out. My question is:if I only trust dscp at ingress port, the dscp val...

Hi,I want to config end-to-end QoS on my network. The only question left is that:At the core layer, 2 Cat6500 connect to each other by layer 3 Gi interface with IP address, I don't know what's the difference between L2 and L3 interface QoS confiurati...

I have a question about RTP when optimize our VoIP network.That is how Cisco router verify a packet as a RTP packet?When capture a voice packet,how the router analyze the packet,and how router know it's a RTP packet? Thanks!