Alcatel Carrier Internetworking Solutions 6648 User Manual

Page 183

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Troubleshooting IP Routing

Troubleshooting via the CLI

OmniSwitch Troubleshooting Guide

September 2005

page 12-7

Multicast packets sent = 0,
Broadcast packets received = 51008,
Broadcast packets sent = 155,
Input errors = 0
Output errors = 1
Collisions = 0
Dropped = 0

The show ip traffic command gives switch-wide statistics for traffic, and the “No Route Discards” statis-
tic should somewhat resemble the “icmp stats destination unreachable” number, in that both numbers
should be increasing at a similar rate. This can be misleading, as a number of “No Route Discards” on a
network is normal; the key here is to see that the numbers are increasing in similar proportion.

-> show ip traffic

Datagrams received

------------------------+------------

Total 426277
IP header error 0
Destination IP error 2
Unknown protocol 0
Local discards 0
Delivered to users 249109
Reassemble needed 0
Reassembled 0
Reassemble failed 0

Datagrams sent
------------------------+------------
Fowarded 1
Generated 178466
Local discards 426
No route discards 15
Fragmented 1
Fragment failed 0
Fragments generated 0

The show tcp ports command displays the TCP connection table.

-> show tcp ports

Local Address

Local Port

Remote Address

Remote Port

State

------------------+------------+-----------------+--------------+-------------
0.0.0.0 21

0.0.0.0 0

LISTEN

0.0.0.0 23

0.0.0.0 0

LISTEN

0.0.0.0 80

0.0.0.0 0

LISTEN

0.0.0.0 260

0.0.0.0 0

LISTEN

0.0.0.0 6778

0.0.0.0

0

LISTEN

0.0.0.0 7170

0.0.0.0

0

LISTEN

10.255.11.228

23

128.251.17.224 1677

ESTABLISHED

10.255.11.228 443

0.0.0.0

0

LISTEN

Output fields are described below:

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