Enterasys Networks CSX7000 Manuel d'utilisateur télécharger pdf (Page 434)

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101

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 ROUTING OVER A WAN INTERFACE

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.

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Enterasys Networks CSX7000 Manuel d'utilisateur Page 434

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