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Answers to the Chapter 10 Q&A Section 433

Configure both routers for priority queuing. Place any ICMP traffic in the high queue. IP
should be in the medium queue, followed by IPX and AppleTalk in the normal queue. Any
unspecified traffic should be placed in the low queue.

If a default queue is not specified, where would the traffic go in the configuration for
Question 18?

If no default queue is specified in a priority queue implementation, traffic goes into the
normal queue.

Configure both routers for custom queuing. All TFTP traffic should be in queue 1. Queue
1 should have 4 times the default service thresholds. All other IP should go to queue 2,
followed by IPX in queue 3 and AppleTalk in queue 4. Unspecified traffic should go into
queue 5.

Example A-9

RouterA

RouterA(config)#access-list 100 permit icmp any any
RouterA(config)#priority-list 1 protocol ip high list 100
RouterA(config)#priority-list 1 protocol ip medium
RouterA(config)#priority-list 1 protocol ipx normal
RouterA(config)#priority-list 1 protocol appletalk normal
RouterA(config)#priority-list 1 default low
RouterA(config)#interface serial 0
RouterA(config-if)#priority-group 1

Example A-10

RouterB

RouterB(config)#access-list 100 permit icmp any any
RouterB(config)#priority-list 1 protocol ip high list 100
RouterB(config)#priority-list 1 protocol ip medium
RouterB(config)#priority-list 1 protocol ipx normal
RouterB(config)#priority-list 1 protocol appletalk normal
RouterB(config)#priority-list 1 default low
RouterB(config)#interface serial 0
RouterB(config-if)#priority-group 1

Example A-11

RouterA

RouterA(config)#queue-list 1 protocol ip 1 udp 69
RouterA(config)#queue-list 1 protocol ip 2
RouterA(config)#queue-list 1 protocol ipx 3
RouterA(config)#queue-list 1 protocol appletalk 4
RouterA(config)#queue-list 1 default 5
RouterA(config)#queue-list 1 queue 1 limit 80
RouterA(config)#queue-list 1 queue 1 byte-count 6000
RouterA(config)#interface serial 0
RouterA(config-if)#custom-queue-list 1