Communication Failure In Basic Switching Unit Bsu/Psp - NEC IP8800/S2400 Series Troubleshooting Manual

Figure 3-2: Example of "Checking Port Operation Status" [IP8800/S6700] [IP8800/S6600] [IP8800/S6300]
> show port statistics
2006/03/23 12:00:00
Port Counts:48
Port Name
1/ 1 geth1/1
1/ 2 geth1/2
1/ 3 geth1/3
(Omitted hereafter)
>
Figure 3-3: Example of "Checking Port Operation Status" [IP8800/S3600] [IP8800/S2400]
> show port statistics
2006/03/23 12:00:00
Port Counts:48
Port Name
0/ 1 geth0/1
0/ 2 geth0/2
0/ 3 geth0/3
(Omitted hereafter)
>
If display item "Discard" is larger than 0 when this command is executed, a failure discarding packets has occurred. Use
the show interfaces command to retrieve detail information of the port.
3.4.2

Communication Failure in Basic Switching Unit BSU/PSP

If BSU/PSP has possibly caused the communication failure, check for the BSU/PSP status as follows.
(1) Checking BSU/PSP operation status
1. Checking log
For the log, see the manual "Message Log Reference."
2. Isolating the problem according to the BSU/PSP operation status
Check the BSU/PSP operation status by using the show system command, and isolate the problem according to
the table below.
Table 3-8: Check and Action for BSU/PSP Operation Status
No. BSU Operation
Status
1 active
2 standby hot
3 standby cold
[IP8800/S6700]
4 standby cold2
[IP8800/S6700]
[IP8800/S6600]
Status T/R Unicast
up Tx
Rx
down Tx
Rx
down Tx
Rx
Status T/R All packets
up Tx
Rx
down Tx
Rx
down Tx
Rx
Problem
The BSU/PSP is operating as active system.
The BSU/PSP is operating as standby system
in hot standby mode.
The BSU/PSP is operating as standby system
in cold standby mode.
The BSU/PSP is operating as standby system
in cold standby 2 mode.
3.
Troubleshooting Functional Failures in Operation
Multicast Broadcast
0 0
0 0
0 0
0 0
0 0
0 0
Multicast Broadcast
0 0
0 0
0 0
0 0
0 0
0 0
See "3.4.1 Ethernet Port Cannot Be
See "3.4.1 Ethernet Port Cannot Be
See "3.4.1 Ethernet Port Cannot Be
See "3.4.1 Ethernet Port Cannot Be
Discard
0 0
0 0
0 0
0 0
0 0
0 0
Discard
0 0
0 0
0 0
0 0
0 0
0 0
Action
Connected."
Connected."
Connected."
Connected."
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