Finisar Surveyor manual Icmp Required IP Option Missing

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User’s Guide

ICMP Required IP Option Missing

Counter

ICMP Required IP Option Missing events are counted in the ICMP All Errors counter. A count of all ICMP errors displays in the Overview counters of Expert View. A threshold can be set in Expert Alarms for all ICMP errors.

Expert Symptom

ICMP Required IP Option Missing events are automatically logged as expert symptoms. The Symptom Summary field provides information about the IP addresses involved. For example:

Bad IP Header sent from [206.250.228.11] to

[206.250.228.69]. SA=[206.250.228.11] DA=[206.250.228.69]

Diagnostic Details

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Problem Description:

An ICMP Parameter Problem (IP Options required, but, missing) message has been sent.

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Probable Cause(s):

1.A host/router may send this message if the IP header parameters have problems that prevent processing of the packet.

2.A host/router may have a bad network stack or a bad interface card.

3.There may be incorrect arguments in IP options.

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Recommended Action(s):

1.Check the ICMP Pointer field to see the octet in the IP header where the error was detected.

2.Verify that the source that sent this IP header has a good network interface card.

3.Verify that the network stack on the source that sent the bad IP header parameters is working properly.

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