Allied Telesis AT-8824 Guía de instalación descargar pdf (Pagina 146)

2-24 Release Note

Software Version 2.7.5

C613-10454-00 REV A

Filtering when copying routes to OSPF

OSPF:

■ can import BGP routes, with or without filtering

■ can import RIP routes, with or without filtering

■ automatically imports interface routes, without filtering

■ can import statically-configured routes, with or without filtering.

The following table shows how to filter routes from RIP, BGP and static routes.

From How to filter

Static

routes

1. For finest control, tag each route you want to include (or each route you want

exclude), using one of the commands:

add ip route=ipadd interface=interface nexthop=ipadd tag=1..65535

[other-options]

set ip route=ipadd interface=interface mask=mask nexthop=ipadd

tag=1..65535 [other-options]

2. Create a route map, matching on tag, metric, or routetype. Static routes are

either External Type 1 or External Type 2.

3. Apply the route map, using the command:

add ospf redistribute protocol=static routemap=routemap

BGP 1. Create an IP filter with filter ID from 300 to 399, matching on source address

or prefix

2. Apply the filter, using the command:

set ospf /jointfilesconvert/427458/bgpfilter=300..399

RIP 1. Turn on importing of RIP routes into OSPF, by using the command:

set ospf rip=import [other-options]

2. Create IP route filters to determine which RIP routes are copied into the LSA

database, by using the command:

add ip route filter[=filter-id] ip=ipadd mask=ipadd

action={include|exclude} protocol=ospf direction=send [other-options]

The router or switch automatically applies the filter when importing routes

into the LSA database, because protocol=ospf.

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Allied Telesis AT-8824 Guía de instalación Pagina 146