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DSL speed issues

One of our customer is experiancing speed issues. Cannot figure out about the actual issue which causes the issue.

i am posing some of the outputs which i used for trouble shooting.

# sh processes cpu | i ^PID| Input

11 46632 230908 201 0.00% 0.00% 0.00% 0 ARP Input

39 13272 302232 43 0.00% 0.00% 0.00% 0 Net Input

46 0 2 0 0.00% 0.00% 0.00% 0 ATM OAM Input

62 173320 1160922 149 0.07% 0.01% 0.00% 0 IP Input

87 0 2 0 0.00% 0.00% 0.00% 0 ILMI Input

92 0 2 0 0.00% 0.00% 0.00% 0 SSCOP Input

98 0 2 0 0.00% 0.00% 0.00% 0 ATMSIG Input

114 0 1 0 0.00% 0.00% 0.00% 0 RARP Input

----------------------------------------

#sh interfaces fastEthernet 0/0 switching

Protocol IP

Switching path Pkts In Chars In Pkts Out Chars Out

Process 193016 29773395 315693 23555166

Cache misses 0 - - -

Fast 24499820 2026836819 17236671 3245307143

Auton/SSE 0 0 0 0

----------------------------------------

#sh interfaces fastEthernet 0/0 | i rate

Queueing strategy: fifo

5 minute input rate 46000 bits/sec, 64 packets/sec

5 minute output rate 90000 bits/sec, 43 packets/sec

----------------------------------------

Sh dsl interface atm 0/1/0

Interleave Fast Interleave Fast

Speed (kbps): 0 1536 0 512

Cells: 0 84037571 0 1559364277

Reed-Solomon EC: 0 0 0 1

CRC Errors: 0 440 1 678

Header Errors: 0 144 2 252

Bit Errors: 0 0

BER Valid sec: 0 0

BER Invalid sec: 0 0

If possible, can some one suggest me what is the cause of the problem.

1 REPLY
Silver

Re: DSL speed issues

configure under the dialer interface 'ip mtu 1492'.

Also configure 'ip adjust-mss 1452' under the ethernet interface.

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