Enterasys Networks CSX6000 - Manual (Page 434)

USER’S GUIDE
434 CyberSWITCH
You should receive a response similar to the following:
100.000.000.002 is alive
If the system displays this message, then IP routing over that LAN port is operational. Repeat
this step for each LAN port on your Ethernet resource.
2. If this message IS NOT displayed, then IP routing over the LAN connection is not operational.
If you receive the following message:
No response from <ip-address>
Try the following:
a. Verify that the routing entry for the destination network exists. Enter the following
administrative console command:
iproute <ip-address>
If the command returns “ No route is available for <ip-address> “, the routing entry
does not exist. To correct, add the routing entry using the iproute add Manage Mode
command.
b. Check that the system and the specified Host both have the same Subnet mask and Sub
network number for that IP address using the
ipnetif command (Manage Mode).
Correct the Host configuration, or the system configuration (using the iproute change
Manage Mode command) as required.
c. Verify that the ARP entry for the specified IP address exists. As required, ping from the IP
Host so that the ARP entry is updated. Use the
ip arp console command to look at the
ARP cache entries. If the ARP cache entry for the Host does not exist, verify that the Host
is operational and that the CyberSWITCH and the Host are both physically connected to
the same LAN segment.
d. If the ARP cache entry exists for the Host, check that the IP Host has the same
encapsulation type as the CyberSWITCH. The system can receive and recognize either
Ethernet or SNAP type encapsulations. Correct the IP Host or system configuration
(through CFGEDIT) for encapsulation type.
e. Try to ping the Host from another device on the LAN. If this is also unsuccessful, this may
indicate a problem with the Host.
f. Verify that the hardware address (MAC address) for the IP Host in the system’s ARP cache
is correct. If it is not correct, verify the configuration in the IP Host.
Once IP routing is operational on each LAN port on your Ethernet resource, then IP routing over
the LAN Connection is operational.
IP R OUTING O VER A WAN I NTERFACE
To verify that IP routing is properly operational over a WAN interface, a remote IP Host must be
operational and available to initiate connections. Also, a local IP host must be connected to the local
LAN port of the CyberSWITCH.