Cabletron Systems SmartSwitch Router Specifikace stáhnout pdf (Strana 173)

Chapter 18: ip-router Commands

SSR Command Line Interface Reference Manual 18 - 33

ip-router policy create filter

Purpose

Creates a route filter. Routes are filtered by specifying a set of filters that will match a

certain set of routes by destination, or by destination and mask.

Format

ip-router policy create filter

<number-or-string>

network

<ipAddr-mask>

[exact|refines|between

<low-high>

][host-net]

Mode

Configure

Parameters

Specify one or more of the following:

filter

<number-or-string>

Specifies the identifier of the route filter.

network

<IP-address>

This option specifies networks which are to be filtered. Matching usually requires both

an address and a mask, although the mask can be implied. If no additional options

qualifying the networks to be filtered are specified, then any destination that falls in

the range implied by this network-specification is matched, so the mask of the

destination is ignored. If a natural network is specified, the network, any subnets, and

any hosts will be matched. If you specify the

exact

refines

, or

between

parameters, the mask of the destination is also considered.

exact

This option specifies that the mask of the routes to be filtered must match the supplied

mask exactly. This is used to match a network, but not subnets or hosts of that network

refines

This option specifies that the mask of the routes to be filtered must be more specific

(i.e. longer) than the supplied mask. This is used to match subnets.

between

<low-high>

Specifies that the mask of the destination must be as or more specific (i.e., as long as

longer) than the lower limit (the first number parameter) and no more specific (i.e. as

long as or shorter) than the upper limit (the second parameter).

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