From: Anand Singh (anandksi@cisco.com)
Date: Fri Oct 22 2004 - 21:41:27 GMT-3
Hey,
I think "frame-relay fragment 960" was playing its role here..Packets were
getting fragmented.
-Anand
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> Behalf Of Cisco Net
> Sent: Friday, October 22, 2004 4:52 PM
> To: Group Study
> Subject: Very strange CLNS/ISIS problem
>
>
> Hi
> [This is part of IE lab 7]
> R5 and R4 is connected via frame relay. I had to run ISIS on
> these ckt. Bute R5 is a point to point sub interface and R4
> having physical main interface I had to use a tunnel (I had
> an old image that does not support ISIS point to point
> network type feature ).
>
> Everything was working fine up to the QoS section. Where i
> had to enable frame-relay traffic shaping on R4 physical
> interface (only on R4). Just after I enabled frame-relay
> traffic-shaping on r4 my clns neighborship status gone to
> INIT. I removed the traffic shapign and everything is working
> fine. Then i added the traffic shaping on both R5 and R4 then
> everything started working.
>
> is there any relation between frame-traffic shaping and ISIS ?
>
> R4:
> interface Serial3/0
> ip address 163.4.54.4 255.255.255.0
> ip pim dense-mode
> encapsulation frame-relay
> no fair-queue
> no arp frame-relay
> frame-relay traffic-shaping
> frame-relay map clns 405 broadcast
> frame-relay map ip 163.4.54.5 405 broadcast
> frame-relay interface-dlci 405
> class QOS
> no frame-relay inverse-arp
>
> map-class frame-relay QOS
> frame-relay end-to-end keepalive mode reply
> frame-relay cir 768000
> frame-relay bc 7680
> service-policy output VOIP
> frame-relay fragment 960
>
> policy-map VOIP
> class VOIP
> set fr-de
>
> class-map match-all VOIP
> match not ip dscp cs5
>
>
> interface Tunnel1
> ip unnumbered Serial3/0
> ip router isis
> isis circuit-type level-2-only
> isis authentication mode md5
> isis authentication key-chain ccie
> tunnel source Serial3/0
> tunnel destination 163.4.54.5
>
>
> R5:
> interface Serial1/0
> no ip address
> encapsulation frame-relay
> no arp frame-relay
> no frame-relay inverse-arp
> !
> interface Serial1/0.54 point-to-point
> bandwidth 768000
> ip address 163.4.54.5 255.255.255.0
> ip router isis
> ip pim dense-mode
> backup interface BRI2/0
> isis circuit-type level-2-only
> frame-relay interface-dlci 504
> class QOS
>
> map-class frame-relay QOS
> frame-relay end-to-end keepalive mode request
> frame-relay cir 768000
> frame-relay bc 7680
> frame-relay fragment 960
> service-policy output VOIP
>
> class-map match-all VOI
> match not ip dscp cs5
> !
> policy-map VOIP
> class VOI
> set fr-de
>
> interface Tunnel1
> ip unnumbered Serial1/0.54
> ip router isis
> isis circuit-type level-2-only
> isis authentication mode md5
> isis authentication key-chain ccie
> tunnel source Serial1/0.54
> tunnel destination 163.4.54.4
>
> Regards
> Cert
>
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