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Troubleshooting dhcp ip addresses – Allied Telesis AT-8800 Series Switch User Manual

Page 115

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Maintenance and Troubleshooting

115

Software Release 2.6.1
C613-02039-00 REV A

The “IP Packet Forwarding” field in the output should be set to “Enabled”.
Refer to the documentation for the host TCP/IP software for more
information about configuring a gateway.

The host’s TCP/IP software should be configured to use the Head Office
switch as its gateway. Refer to the documentation for the host TCP/IP
software for more information about configuring a gateway.

3.

Contact your authorised distributor or reseller for assistance

If problems persist, contact your authorised distributor or reseller for
assistance.

Troubleshooting DHCP IP Addresses

Your switch is acting as a DHCP client

If your switch is acting as a DHCP client the switch should receive its IP
address dynamically. If your switch is not receiving an IP address, check that
the domain name and host name are correct.

Your switch is acting as a DHCP server

If your switch is not assigning IP addresses to a host, or hosts, on the subnet
perform this procedure:

1.

Reboot the host machine, to force it to re-request IP settings.

2.

Check the host’s TCP/IP settings.

In Microsoft® Windows™ 95/98, click SettingsControl Panel
Network

. Select TCP/IP and click Properties. Click Obtain an IP address

automatically

.

In Microsoft® Windows™ 2000, click SettingsControl Panel
Network and Dial-up Connections

Local Area Connection

Properties

. Select Internet connection (TCP/IP) and click Properties. Click

Obtain an IP address automatically

.

3.

Check that the DHCP server has a large enough range of addresses. To
assign a range, enter the command:

CREATE DHCP RANGE