Fluke Network Tester User Manual download pdf (Page 59)

Common Problems

Problems NetTool Detects

6-7

TCP/IP

• Problem: PC using incorrect IP subnet mask.

Explanation: NetTool has determined that the PC is

not properly configured.

Remedy: Access PC network properties and correct

the IP subnet mask.

• Problem: Router issued ICMP redirect. Hosts or

devices using incorrect gateway/routers.

Explanation: NetTool has determined that the PC is

not properly configured.

Remedy: Access PC network properties and correct

the IP address. You should also make sure that the

DHCP server is giving the correct addresses.

• Problem: Duplicate IP detected.

Explanation: NetTool has detected a duplicate IP

address configured on a remote device. You should

never have duplicate IPs running on the network. This

problem prevents the PC from connecting to the

network until it is resolved.

Remedy: Identify at least one of the devices and

change its address to a valid one that is not being

used.

Host Configuration

• Problem: BootP/DHCP server not responding.

Explanation: The PC is dynamically configured to

find DHCP servers and none are found.

Remedy: Check the router and the DHCP server itself

to make sure that they are running. Either could be

misconfigured. Check connectivity to the DHCP

server.

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Fluke Network Tester User Manual Page 59