QOS problems with Cellular int and IPSec tunnels

Unanswered Question
Jan 3rd, 2008
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Guys,


I have deployed an 1841 with a Cellular interface. I have 2 IPsec tunnels from the router to my data centers. The important traffic from the remote site is telnet.


I am seeing alot of drops on the cellular interface at the moment.


Could anyone suggest a QOS strategy to eliminate the performance problems and drops I am seeing ?


Thanks !



site#show queueing int cellular 0/0/0

Interface Cellular0/0/0 queueing strategy: fair

Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 6388

Queueing strategy: weighted fair

Output queue: 0/1000/64/6388 (size/max total/threshold/drops)

Conversations 0/10/16 (active/max active/max total)

Reserved Conversations 0/0 (allocated/max allocated)

Available Bandwidth 1350 kilobits/sec


site#show int cellular 0/0/0

Cellular0/0/0 is up, line protocol is up

Hardware is EVDO Rev A/Rel 0/1xRTT-800/1900MHz / SP

Internet address is X.X.X.X/32

MTU 1500 bytes, BW 1800 Kbit, DLY 100000 usec,

reliability 255/255, txload 13/255, rxload 1/255

Encapsulation PPP, LCP Open

Open: IPCP, loopback not set

Keepalive not supported

Time to interface disconnect: idle 00:02:00

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

Last clearing of "show interface" counters 18:40:57

Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 6388

Queueing strategy: weighted fair

Output queue: 1/1000/64/6388 (size/max total/threshold/drops)

Conversations 1/10/16 (active/max active/max total)

Reserved Conversations 0/0 (allocated/max allocated)

Available Bandwidth 1350 kilobits/sec

5 minute input rate 0 bits/sec, 1 packets/sec

5 minute output rate 93000 bits/sec, 31 packets/sec

89354 packets input, 8368739 bytes, 0 no buffer

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

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

1169272 packets output, 432852070 bytes, 0 underruns

0 output errors, 0 collisions, 1 interface resets

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

DCD=up DSR=up DTR=up RTS=up CTS=up


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