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New Member

Cisco 2621 Input error

Hi all,

I using the router cisco 2621 for my call termination, but in my telnet, I getting many packets dropped and input error, and my rxload it's not stable with my txload that affect the quality, I need help for resolve this issue

This is my telnet :

MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,

reliability 255/255, txload 93/255, rxload 66/255

Encapsulation HDLC, loopback not set

Keepalive set (10 sec)

Restart-Delay is 0 secs

Last input 00:00:00, output 00:00:00, output hang never

Last clearing of "show interface" counters never

Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 4159145

Queueing strategy: weighted fair

Output queue: 0/1000/64/4159008 (size/max total/threshold/drops)

Conversations 0/63/256 (active/max active/max total)

Reserved Conversations 0/0 (allocated/max allocated)

Available Bandwidth 1158 kilobits/sec

30 second input rate 401000 bits/sec, 452 packets/sec

30 second output rate 567000 bits/sec, 779 packets/sec

119472130 packets input, 992115951 bytes, 0 no buffer

Received 23482 broadcasts, 0 runts, 0 giants, 0 throttles

498 input errors, 150 CRC, 265 frame, 0 overrun, 0 ignored, 83 abort

199966403 packets output, 1081212432 bytes, 0 underruns

0 output errors, 0 collisions, 3 interface resets

0 output buffer failures, 0 output buffers swapped out


Hall of Fame Super Gold

Re: Cisco 2621 Input error


you input error counter is minuscule compareed to the overall packets received, hence is not a concern.

Now, the output drops are due to saturated bandwidth. You can use priority QoS to be sure that voice packets are not dropped. Currently you are using WFQ that does not do that.

The alternative, is to increase bandwidth.

Hope this helps, please rate post if it does!

New Member

Re: Cisco 2621 Input error

Thanks, I will increase my bandwidth today for see, for the Qos I will do that too. because on my same bandwidth I have the cafe internet with 5 computers.