HP 100Base-TX Bedienungsanleitung PDF herunterladen (Seite 80)

80 Chapter6

Troubleshooting 10/100Base-TX/9000

Diagnostic Flowcharts

Flowchart 6 Procedures

A. Host entry in ARP cache? Using arp, check that an

entry exists for the remote host in your system's ARP

cache. For example:

arp spiff

B. Remote host up? If there is no ARP cache entry for

the remote host, ﬁrst check that the remote host is up.

If not, the remote host has not broadcast an ARP

message, and that probably is why there is no entry in

the ARP cache.

C. Bring-up remote host. Have the node manager of the

remote host bring that system up and start again with

ﬂowchart 1.

D. Entry complete? Perhaps there is an ARP cache

entry, but it is wrong or not complete. If the entry is

complete, go to step F.

E. Use arp to complete entry. Using arp, enter the

correct Station Address. For more information, refer to

the arp(1M) online man page. Start again with

ﬂowchart 1.

F. ping local host. Using ping, do an internal loopback

on your own system. In other words, ping your own

system.

If the internal loopback is successful, your system is

operating properly to the Network Layer (OSI Layer 3).

In addition, you know an ARP cache entry for the

remote host exists on your system. Start again with

Flowchart 1.

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HP 100Base-TX Bedienungsanleitung Seite 80