Fragment, Icmp-code, Icmp-type – Alcatel-Lucent 7750 SR OS User Manual

Page 377

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Filter Policies

7750 SR OS Router Configuration Guide

Page 377

fragment

Syntax

fragment {true | false}
no fragment

Context

config>filter>ip-filter>entry>match

Description

Configures fragmented or non-fragmented IP packets as an IP filter match criterion.

The no form of the command removes the match criterion.

Default

false

Parameters

true — Configures a match on all fragmented IP packets. A match will occur for all packets that have

either the MF (more fragment) bit set OR have the Fragment Offset field of the IP header set to a
non-zero value.

false — Configures a match on all non-fragmented IP packets. Non-fragmented IP packets are

packets that have the MF bit set to zero and have the Fragment Offset field also set to zero.

icmp-code

Syntax

icmp-code icmp-code
no icmp-code

Context

config>filter>ip-filter>entry>match
config>filter>ipv6-filter>entry>match

Description

Configures matching on ICMP code field in the ICMP header of an IP or IPv6 packet as a filter match
criterion.

This option is only meaningful if the protocol match criteria specifies ICMP (1).

The no form of the command removes the criterion from the match entry.

Default

no icmp-code — the no match criterion for the ICMP code

Parameters

icmp-code — The ICMP code values that must be present to match.

Values

0 — 255

icmp-type

Syntax

icmp-type icmp-type
no icmp-type

Context

config>filter>ip-filter>entry>match
config>filter>ipv6-filter>entry>match

Description

This command configures matching on the ICMP type field in the ICMP header of an IP or IPv6
packet as a filter match criterion.

This option is only meaningful if the protocol match criteria specifies ICMP (1).

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