Greetings, im currently in the process of configuring a QoS policy between two sites connected using ADSL2 links and IPSEC/GRE tunnels.
The phone system, an NEC SV8100 is located at the head office and serves local phones it is also connected to an ISDN PRI, the branch office houses 10 IP phones which are registered with the NEC system via the GRE/IPSEC tunnel, i have been informed that the phones use SIP for call setup and teardown on port 5060,5070 and 5080.
NEC IP Address: 192.168.10.100
NEC VOIP Media Address: 192.168.10.102
Intersite Codec: G729
DSL Connection: 8000Kbps/792Kbps
Im very much aware of how i would do this with a Cisco PBX as i deploy CME all the time but could i check that the following policy is suitable for intersite voice traffic please, i intend to replicate this at the head office also on an ADSL2 circuit.
ip access-list extended voiceTraffic permit udp any any eq 5060 permit udp any any eq 5070 permit udp any any eq 5080 permit ip any host 192.168.10.100 permit ip any host 192.168.10.102
class-map match-any callTraffic match access-group name voiceTraffic ! ! policy-map callTraffic class callTraffic priority 256 policy-map GLOBAL class class-default shape average 792000 service-policy callTraffic
interface Tunnel0 bandwidth 8000 ip address 10.255.255.14 255.255.255.252 ip mtu 1420 ip nbar protocol-discovery qos pre-classify tunnel source Dialer1 tunnel destination x.x.x.x tunnel path-mtu-discovery crypto map bhxmap
interface Dialer1 description WAN Interface mtu 1492 bandwidth 792 tx-ring-limit 3 crypto map bhxmap service-policy output GLOBAL
I do have an ATM interface on the router, i can if needs be created a subinterface and apply the policy there, i have also since been given the DSCP settings from the PBX engineer, 40 and 48 apparently.
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
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Attached policy provides CLI access to the Cisco 4G router over text messaging. Two files are in the attached .tar file:
2. PDF with instructions on how to load and use the .tcl file.