I have a hub-spoke Wan design. The hub is a T1. The spokes are all smaller than a T1. I was thinking about implementing traffic shaping at the hub because I am seeing some congestion at two of the remote sites and will be installing some application software at the remote sites that is bandwidth and delay sensitive. I am using weighted fair queuing and my CIR on all circuits is 0. I am using 0 CIR because my service provider does not drop packets. What would you suggest for my cir,bc and mincir values? I was thinking about using the following for one of the 512K circuits. Would you agree with this? Should I make the mincir higher since my cir from the service provider is 0 anyway? I
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If anyone else in the forum has some advice, please reply to this thread.
We do not have a similar application but we have a customer that handle voice and data ( internet, corporative email, traffic ) and due problems with the voice we changed the encapsulation from ppp to frame-relay.
The final configuration is:
description ENLACE WAN IP-VPN INTERBANK CD33244
ip address 10.144.7.26 255.255.255.252
no ip redirects
no ip proxy-arp
ip accounting output-packets
encapsulation frame-relay IETF
no ip route-cache
no ip mroute-cache
frame-relay interface-dlci 16
frame-relay lmi-type ansi
map-class frame-relay VOIP512K
no frame-relay adaptive-shaping
frame-relay cir 512000
frame-relay bc 5000
frame-relay be 0
frame-relay mincir 512000
service-policy output IPVPN
frame-relay fragment 640
We as Telefonica Data Peru S.A.A. provides the same configuration at the PE and customer router.
If you have any other question do not hesitate to email me:
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