how to priority for important packet on FR link ?

["li jun" <liuyang1976@xxxxxxxxxxx>]

Cisco guys and security exper,

I have a question need your help

my customer have a internet router, use Frame Relay link to outside. they 
find there has some TCP flooding packet attack their router FR interface, 
then want to use CAR to limit the attack packet. at the same time, they 
want to guarantee the VoIP, OSPF routing packet, BGP routing packet won not 
be affect and no delay. how should we do?

I try this
1. CAR the TCP flooding attack to 800K
2. Since VoIP, OSPF, BGP's PRI is 5 by default. so I just set CBWFQ on the 
router to make sure VoIP, OSPF, BGP flow go through without delay. 


anything do I need to do?   Do I need to do Frame Relay traffic shapping? 
thanks in advance

regs/li jun




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