ccna practice kit

ccna practice kit.Chapter 21 QoS.439. 7 0/0 0/0 0/0 0/0 34 40 1/10/// The above columns show the WRED-related discard information for each IP priority class (0-7), and the meaning of each column is as follows: class - the priority of the IP packet; the number of packets transmitted by Transmitted for the corresponding IP The number of packets and bytes of the corresponding IP priority transmitted; Randomdrop The number of packets and bytes of random drops; Taildrop The number of packets and bytes of tail drops; Minimum thresh The minimum threshold for WRED packet drops; Maximum thresh The maximum threshold for WRED packet drops; Mark probWRED Probability of random packet drop class-map: class-default (match-any) 59 packets, 4669 bytes Number and bytes of packets belonging to default class traffic (partial output is omitted here)(3) Configure Router R1: Implement DSCP-based CB-WREDClear the configuration of step ( 1) IP Precedence-based CB-WRED. Rl(config)#ciass-map match>any MAPI//Define class-map. name MAPI R1 (config-cmap)#match dscp ef Define the matching DSCP valueR1 (config-cmap)#match dscp afll R1 (config-cmap)#exit RI (config)#policy-map WRED define policy-map R1 (config-pmap)#class MAPI Rl(config-pmap-c)# bandwidth 128 reserve 128 kbps bandwidth for this class R l(config-pmap.c)#randoni.detectdscp-based enable DSCP-based WRED for this class R1 (config-pmap-c)#random-detect dscp afll 20 36 12 R1 (config-pmap-c)#random-detect dscp ef32 46 8 Modify the minimum threshold, maximum threshold, and drop probability for DSCP to drop packets for afll R1 (config-pmap-c)#exit R1 ( config-pmap)#exit R1 (config)#interface serial0/0/0 Rl(config-if)#bandwidth 1024 Change the bandwidth of the configured interface to 1 024 kbps R1 (config-if)#service-policy output WRED(4) Verify the DSCP-based CB-WREDRl#show policy-map to check the configured policy-map Policy Map WRED //name of policy-map Class MAPI//name of class-map bandwidth 128 (kbps) bandwidth allocated for class packet-based wred, exponential weight 9// packet-based WRED and weight factor to calculate average queue length dscp min-threshold max-threshold mark-probablityafll (10) 20 36 1/12 ef (46) 32 46 1/8 default (0) --1/10 The above 5 lines display the discard information for DSCPs afll (DSCP value of 10), EF (DSCP value of 46) and default (DSCP value of 0), including the minimum threshold, maximum threshold and discard probability of discarding packetsRl#show policy-map interface SerialO/0/0 Serial0/0/0 //service-policy application interface service-policy output: WRED //service-policy name and application direction class>map: MAPI (matcb-any)10 packets, 1040 bytes Number of packets and bytes to match this class of traffic 5 minute offered rate 0000 bps, droprate 0000 bps Match: dscp ef(46)// match condition