Troubleshooting Flowchart; Solution; Related Commands - HP 5500 SI Troubleshooting Manual

Troubleshooting flowchart

Figure 7 Troubleshooting Layer 3 forwarding failure

Solution

To resolve the problem:
1. Verify that the port is not faulty (due to hardware or configuration problems):
If the port is faulty, follow the solution in
problem.
If the port is not faulty, go to step 2.
2. Verify that ARP entries are correct by using the display arp command:
If incorrect ARP entries exist, execute the debugging arp packet command to locate the
problem.
If the switch does not learn any ARP entries, you can execute the arp static command to
configure static ARP entries.
If ARP entries are correct, go to step 3.
3. Verify that the route entries are correct by using the display ip routing-table command:
If incorrect route entries exist, troubleshoot the protocol that learns the route entries.
If route entries are correct but the problem persists, contact HP Support.

Related commands

This section lists the commands that you might use for troubleshooting Layer 3 forwarding failure.
"Layer 2 forwarding
23
failure" to troubleshoot the