Hi group, it’s me again :-) This time I have a question about QoS preservation on WAN link. Let’s say I have my medium office with a subnet of 10.20.20.0 /24 and my CME is at head quarter with 10.10.10.10 /24. I would like to set DSCP ef for RTP and DSCP cs3 for SCCP, would this configuration be OK or do I miss something or are maybe the src / dst ports wrong?
HQ: ip access-list extended ACL-SCCP permit tcp 10.10.20.0 0.0.0.255 host 10.10.10.10 eq 2000 ! ip access-list extended ACL-RTP permit udp 10.10.20.0 0.0.0.255 host 10.10.10.10 range 16384 32767 ! class-map MAP-SCCP match access-group name ACL-SCCP ! class-map MAP-RTP match access-group name ACL-RTP ! policy-map Voice class MAP-SCCP set dscp cs3 class MAP-RTP set dscp ef ! int fa0/0 !to Medium Office service-policy input Voice ! MO: ip access-list extended ACL-SCCP permit tcp host 10.10.10.10 eq 2000 10.20.20.0 0.0.0.255 ! ip access-list extended ACL-RTP permit udp host 10.10.10.10 range 16384 32767 10.20.20.0 0.0.0.255 ! class-map MAP-SCCP match access-group name ACL-SCCP ! class-map MAP-RTP match access-group name ACL-RTP ! policy-map Voice class MAP-SCCP set dscp cs3 class MAP-RTP set dscp ef ! int fa0/0 !to Head Quarter service-policy input Voice ! Thanks a lot and best regards Dominic
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