Thanks for the info, turns out IPX is on the circut and its Frame Relay so we are holding off as the SLA trumpts the QOA
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How to configure VOIP over a Cisco VPN and implement QOS
Hello, here is the problem i have been presented with.
A client has (2) office connected via an MCI world com MPLS connection (full t)
Routers are a Cisco 3600 at one and and a Cisco 2600 at the other.
They would like to roll out VOIP the site with the 3600 will be the host and the 2600 the remote end. The 2600 side has at most 10 users.
My question is how can I setup Qos on teh Cisco to give the VOIP first pri over the wire? I have read over Ciscos documentation however, I am still unsure of the best config for this.
Please help.
thanks
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by: ZnalostPosted on 2006-01-31 at 12:48:41ID: 15837500
Hi systemssupply,
I am going to give you a sample configuration you will have to adjust to your particular configuration. I include only items related to QoS.
You have to set it up on both routers.
Also make sure that you will not experience congestion on the LANs in both locations.
Router configuration follows (--- denotes coments)
version 12.3 --- IOS version ---
!
hostname RouterA
!
ip cef
!
--- Class definition follows---
class-map match-all af42
match access-group 104
class-map match-all af41
match access-group 103
class-map match-any ef --- or match-all
match ip rtp 2048 980
class-map match-all af31
match access-group 102
class-map match-all Gold
match ip dscp af31
class-map match-all Bronze
match ip dscp af42
class-map match-all Platinum
match ip dscp ef
class-map match-all Silver
match ip dscp af41
!
!
--- Policy definition follows---
policy-map MARKDSCP
class ef
set dscp ef
class af42
set dscp af42
class af31
set dscp af31
class af41
set dscp af41
policy-map IntegratedTraffic
--- Platinum is for VoIP ---
class Platinum
priority percent 60
--- Gold for VoIP signalization---
class Gold
bandwidth remaining percent 40
--- Silver for web/http ---
class Silver
bandwidth remaining percent 30
--- Bronze for smtp ---
class Bronze
bandwidth remaining percent 10
--- Default for other/rest ---
class class-default
bandwidth remaining percent 20
!
interface FastEthernet0/0
--- Here we are marking inbound pakets for proper queueing
--- later on outbound Serial interface
service-policy input MARKDSCP
!
interface Serial0/0
--- Here the outbound packets are properly queued/prioritized
--- thru the policy
service-policy output IntegratedTraffic
!
access-list 102 permit tcp any any eq 1720
access-list 102 permit tcp any eq 1720 any
access-list 103 permit tcp any any eq 80
access-list 103 permit tcp any eq 80 any
access-list 104 permit tcp any any eq 25
access-list 104 permit tcp any eq 25 any