Slow Network to remote location.

Unanswered Question
Sep 4th, 2007

Anyone has any idea on what <Available Bandwidth 3 kilobits/sec> on the output below means.

NGPHCIAMP003#sh int s1/0

Serial1/0 is up, line protocol is up

Hardware is M2T-T3+ pa

Description: PHCWRIL04-1; (45M MTN) LINK TO NGWRIIAMP021_S8/1/0;

Internet address is 161.158.1.149/30

MTU 4470 bytes, BW 44210 Kbit, DLY 200 usec,

reliability 254/255, txload 87/255, rxload 31/255

Encapsulation HDLC, crc 16, loopback not set

Keepalive set (10 sec)

Restart-Delay is 0 secs

Last input 00:00:05, output 00:00:00, output hang never

Last clearing of "show interface" counters 4w1d

Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 568632

Queueing strategy: Class-based queueing

Output queue: 0/1000/64/521109 (size/max total/threshold/drops)

Conversations 0/5/256 (active/max active/max total)

Reserved Conversations 7/7 (allocated/max allocated)

Available Bandwidth 3 kilobits/sec

5 minute input rate 5525000 bits/sec, 1881 packets/sec

5 minute output rate 15118000 bits/sec, 2139 packets/sec

2805910200 packets input, 299769378 bytes, 1 no buffer

Received 269047 broadcasts, 2940 runts, 2038 giants, 0 throttles

0 parity

111327827 input errors, 108491373 CRC, 0 frame, 1216980 overrun, 61797 igno

red, 1617436 abort

2245945559 packets output, 2339240521 bytes, 13 underruns

0 output errors, 0 applique, 780 interface resets

0 output buffer failures, 0 output buffers swapped out

924 carrier transitions

rxLOS inactive, rxLOF inactive, rxAIS inactive

txAIS inactive, rxRAI inactive, txRAI inactive

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Pavel Bykov Tue, 09/04/2007 - 03:51

Yup. That's easy.

When you create a policy-map (for CBWFQ or LLQ queueing) all of the reservations (set with bandwidth XX and priority XX commands) are substracted from your interface speed. The remaining value is displayed.

Just check the interface configuration. There you will surely have "max-reserved-bandwidth 100" command and "service-policy output XXX" command (XXX is the name of your policy-map).

It's nothing to worry about, just to give you information that you are manually deciding which packets get what bandwidth, and not the router. Router is in control of only 3kbps... which is some really small reserve it keeps for operational reasons.

Hope this helps.

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