Alcatel-Lucent 7750 SR-OS, Руководство по настройке

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Filter Policies
7750 SR OS Router Configuration Guide Page 507
The no form of the command removes the match criterion.
Default
none
Parameters
ip-option-value — Enter the 8 bit option-type as a decimal integer. The mask is applied as an AND to
the option byte, the result is compared with the option-value.
The decimal value entered for the match should be a combined value of the eight bit option type
field and not just the option number. Thus to match on IP packets that contain the Router Alert
option (option number = 20), enter the option type of 148 (10010100).
Values
0 — 255
ip-option-mask — This is optional and may be used when specifying a range of option numbers to use
as the match criteria.
This 8 bit mask can be configured using the following formats:
Default
255 (decimal) (exact match)
Values
1 — 255 (decimal)
multiple-option
Syntax multiple-option { true | false }
no multiple-option
Context config>filter>ip-filter>entry > match
Description
This command configures matching packets that contain one or more than one option fields in the IP
header as an IP filter match criterion.
The no form of the command removes the checking of the number of option fields in the IP header as
a match criterion.
Default no multiple-option
Parameters true — Specifies matching on IP packets that contain more than one option field in the header.
false — Specifies matching on IP packets that do not contain multiple option fields present in the
header.
Format Style Format Syntax Example
Decimal DDD 20
Hexadecimal
0xHH 0x14
Binary
0bBBBBBBBB 0b0010100