Symptom

Following are the outputs of multilink (850 pps expected) and serial interfaces for 30 sec and 300 sec load interval: 30 sec output ISR4351#show int multilink 1 Multilink1 is up, line protocol is up Hardware is multilink group interface Internet address is 192.168.0.0/31 MTU 1500 bytes, BW 4096 Kbit/sec, DLY 20000 usec, reliability 255/255, txload 193/255, rxload 193/255 Encapsulation PPP, LCP Open, multilink Open Open: IPCP, CDPCP, loopback not set Keepalive set (10 sec) DTR is pulsed for 2 seconds on reset Last input 00:00:00, output 00:00:00, output hang never Last clearing of "show interface" counters 00:44:32 Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/40 (size/max) 30 second input rate 3104000 bits/sec, 788 packets/sec 30 second output rate 3104000 bits/sec, 788 packets/sec 1347318 packets input, 547368424 bytes, 0 no buffer Received 0 broadcasts (0 IP multicasts) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 1347319 packets output, 547369294 bytes, 0 underruns Output 0 broadcasts (0 IP multicasts) 0 output errors, 0 collisions, 0 interface resets 0 unknown protocol drops 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions ISR4351#show int multilink 1 Multilink1 is up, line protocol is up Hardware is multilink group interface Internet address is 192.168.0.0/31 MTU 1500 bytes, BW 4096 Kbit/sec, DLY 20000 usec, reliability 255/255, txload 229/255, rxload 229/255 Encapsulation PPP, LCP Open, multilink Open Open: IPCP, CDPCP, loopback not set Keepalive set (10 sec) DTR is pulsed for 2 seconds on reset Last input 00:00:01, output 00:00:00, output hang never Last clearing of "show interface" counters 01:38:36 Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/40 (size/max) 30 second input rate 3679000 bits/sec, 936 packets/sec 30 second output rate 3679000 bits/sec, 936 packets/sec 4111530 packets input, 1884645420 bytes, 0 no buffer Received 0 broadcasts (0 IP multicasts) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 4111529 packets output, 1884646130 bytes, 0 underruns Output 0 broadcasts (0 IP multicasts) 0 output errors, 0 collisions, 0 interface resets 0 unknown protocol drops 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions ISR4351#show int Serial0/1/0:0 Serial0/1/0:0 is up, line protocol is up Hardware is NIM-4MFT-T1/E1 MTU 1500 bytes, BW 2048 Kbit/sec, DLY 20000 usec, reliability 255/255, txload 208/255, rxload 208/255 Encapsulation PPP, LCP Open, multilink Open Link is a member of Multilink bundle Multilink1, crc 16, loopback not set Keepalive set (10 sec) Last input 00:00:04, output 00:00:04, output hang never Last clearing of "show interface" counters 01:38:11 Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/40 (size/max) 30 second input rate 1676000 bits/sec, 425 packets/sec 30 second output rate 1676000 bits/sec, 425 packets/sec 2045561 packets input, 957753572 bytes, 0 no buffer Received 0 broadcasts (0 IP multicasts) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 2045551 packets output, 957754138 bytes, 0 underruns Output 0 broadcasts (0 IP multicasts) 0 output errors, 0 collisions, 0 interface resets 0 unknown protocol drops 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions no alarm present Timeslot(s) Used:UNFRAMED, transmit delay is 0 flags ISR4351#show int Serial0/1/1:0 Serial0/1/1:0 is up, line protocol is up Hardware is NIM-4MFT-T1/E1 MTU 1500 bytes, BW 2048 Kbit/sec, DLY 20000 usec, reliability 255/255, txload 208/255, rxload 208/255 Encapsulation PPP, LCP Open, multilink Open Link is a member of Multilink bundle Multilink1, crc 16, loopback not set Keepalive set (10 sec) Last input 00:00:04, output 00:00:04, output hang never Last clearing of "show interface" counters 01:38:15 Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/40 (size/max) 30 second input rate 1675000 bits/sec, 424 packets/sec 30 second output rate 1676000 bits/sec, 425 packets/sec 2047269 packets input, 958591949 bytes, 0 no buffer Received 0 broadcasts (0 IP multicasts) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 2047700 packets output, 958800459 bytes, 0 underruns Output 0 broadcasts (0 IP multicasts) 0 output errors, 0 collisions, 0 interface resets 0 unknown protocol drops 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions no alarm present Timeslot(s) Used:UNFRAMED, transmit delay is 0 flags 300 sec output ISR4351#show int multilink 1 Multilink1 is up, line protocol is up Hardware is multilink group interface Internet address is 192.168.0.0/31 MTU 1500 bytes, BW 4096 Kbit/sec, DLY 20000 usec, reliability 255/255, txload 195/255, rxload 195/255 Encapsulation PPP, LCP Open, multilink Open Open: IPCP, CDPCP, loopback not set Keepalive set (10 sec) DTR is pulsed for 2 seconds on reset Last input 00:00:00, output 00:00:00, output hang never Last clearing of "show interface" counters 01:33:38 Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 3146000 bits/sec, 696 packets/sec 5 minute output rate 3146000 bits/sec, 696 packets/sec 3856371 packets input, 1761203555 bytes, 0 no buffer Received 0 broadcasts (0 IP multicasts) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 3856370 packets output, 1761204480 bytes, 0 underruns Output 0 broadcasts (0 IP multicasts) 0 output errors, 0 collisions, 0 interface resets 0 unknown protocol drops 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions ISR4351#show int Serial0/1/0:0 Serial0/1/0:0 is up, line protocol is up Hardware is NIM-4MFT-T1/E1 MTU 1500 bytes, BW 2048 Kbit/sec, DLY 20000 usec, reliability 255/255, txload 208/255, rxload 208/255 Encapsulation PPP, LCP Open, multilink Open Link is a member of Multilink bundle Multilink1, crc 16, loopback not set Keepalive set (10 sec) Last input 00:00:09, output 00:00:09, output hang never Last clearing of "show interface" counters 01:33:46 Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 1677000 bits/sec, 425 packets/sec 5 minute output rate 1677000 bits/sec, 425 packets/sec 1932624 packets input, 902012035 bytes, 0 no buffer Received 0 broadcasts (0 IP multicasts) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 1932615 packets output, 902012968 bytes, 0 underruns Output 0 broadcasts (0 IP multicasts) 0 output errors, 0 collisions, 0 interface resets 0 unknown protocol drops 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions no alarm present Timeslot(s) Used:UNFRAMED, transmit delay is 0 flags ISR4351#show int Serial0/1/1:0 Serial0/1/1:0 is up, line protocol is up Hardware is NIM-4MFT-T1/E1 MTU 1500 bytes, BW 2048 Kbit/sec, DLY 20000 usec, reliability 255/255, txload 208/255, rxload 208/255 Encapsulation PPP, LCP Open, multilink Open Link is a member of Multilink bundle Multilink1, crc 16, loopback not set Keepalive set (10 sec) Last input 00:00:01, output 00:00:01, output hang never Last clearing of "show interface" counters 01:33:50 Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 1676000 bits/sec, 426 packets/sec 5 minute output rate 1675000 bits/sec, 425 packets/sec 1934757 packets input, 903060309 bytes, 0 no buffer Received 0 broadcasts (0 IP multicasts) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 1935187 packets output, 903268794 bytes, 0 underruns Output 0 broadcasts (0 IP multicasts) 0 output errors, 0 collisions, 0 interface resets 0 unknown protocol drops 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions no alarm present Timeslot(s) Used:UNFRAMED, transmit delay is 0 flags

Conditions

NA

Workaround

NA

Further Problem Description