From: dusth@comcast.net
Date: Mon Oct 03 2005 - 23:40:07 GMT-3
How do I remedy this situation if I still want to have fragment side to this small. Should a extended acl to deny ospf or any other frame-relay command or subcommand to remedy this issue?
Dustin
-------------- Original message --------------
> Yeah, I've seen a similar issue in the past. 50 bytes is way to small
> for almost all traffic types. You want to fragment to keep your
> serialization delay low, but at 50 bytes, you're going to be fragmenting
> all the traffic you're trying to prioritize. Use netflow to figure out
> the average size of time-constrained traffic, and make the size a little
> bigger than that. I've used a fragment size of 200 bytes on a 56 kbit
> line with Cisco VoIP (FXS port to FXS port) and it sounded pretty good.
>
>
> Chuck Church
> Lead Design Engineer
> CCIE #8776, MCNE, MCSE
> Netco Government Services - Design & Implementation Team
> 1210 N. Parker Rd.
> Greenville, SC 29609
> Home office: 864-335-9473
> Cell: 864-266-3978
> cchurch@netcogov.com
> PGP key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x4371A48D
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> dusth@comcast.net
> Sent: Monday, October 03, 2005 6:04 PM
> To: ccielab@groupstudy.com
> Subject: frame-relay traffic shaping over ospf
>
> My ospf neighbor is down everytime I apply this shapping on the
> interface. Is that fragment packet is too small for ospf? When I change
> the fragment to 640, ospf comes up just fine.
>
> nterface Serial0/0
> ip address 158.1.123.1 255.255.255.0
> encapsulation frame-relay
> ip ospf priority 0
> frame-relay class frts
> frame-relay traffic-shaping
> frame-relay map ip 158.1.123.2 102 broadcast
> no frame-relay inverse-arp
> frame-relay lmi-type cisco
> end
> map-class frame-relay frts
> frame-relay fragment 50
> no frame-relay adaptive-shaping
> frame-relay cir 64000
> frame-relay bc 1000
> frame-relay be 0
> frame-relay fair-queue
>
> Please advice.
> Dustin
>
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