I've been playing around with FRTS, LLQ, along with some BBQ lately and
I'm having some issues. As soon as I apply FRTS to a router, the router
performance goes down the tubes. Latency through the router increases
*greatly* and I can see no reason for it. I've made these changes
thanks to an engineer at Cisco who forwarded a document to me that
explains how to configure all of the above for VoIP.
Have any of you noticed anything like this? I know this is a really
vague problem but I thought I'd throw it out there anyway. Here are the
relevant portions of the config:
class-map match-any voicecalls
match ip precedence 4
match access-group 140
class-map match-all VoIP-Control
match access-group name VoIP-Control
!
!
policy-map voice
class voicecalls
priority 256
class VoIP-Control
bandwidth 8
class class-default
fair-queue
!
interface Serial0/0.18 point-to-point
ip address 10.12.24.70 255.255.255.0
frame-relay interface-dlci 18
class VoIP
!
! Four other PVCs snipped. Only 0/0.18 has the frame relay class
VoIP attached.
!
map-class frame-relay VoIP
no frame-relay adaptive-shaping
frame-relay cir 768000
frame-relay bc 3000
frame-relay be 0
frame-relay mincir 768000
service-policy output voice
frame-relay fragment 320
When I apply "frame-relay traffic-shaping" to Serial0/0, that's when
things get really weird. I start getting a bunch of output drops on
that interface even though there's hardly any traffic at all going
through. Latency increases unbelievably and becomes really variable and
unpredictable.
BTW, this is a full T-1. Any ideas?
thanks,
John (just kidding about the BBQ)
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=20018&t=20018
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