3Com S7902E, Руководство по настройке

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To do… Use the command… Remarks
Set a preferred value for BGP
routing information apply preferred-value
preferred-value
Optional
Not set by default.
Set a tag value for RIP, OSPF or
IS-IS routing information
apply tag value
Optional
Not set by default.
z
The difference between IPv4 and IPv6 apply clauses is the command for setting the next hop for
routing information.
z
The apply ip-address next-hop and apply ipv6 next-hop commands do not apply to
redistributed IPv4 and IPv6 routes respectively.
Displaying and Maintaining the Route Policy
To do… Use the command… Remarks
Display BGP AS-PATH list
information
display ip as-path [ as-path-number ]
Display BGP community list
information
display ip community-list
[ basic-community-list-number |
adv-community-list-number ]
Display BGP extended
community list information display ip extcommunity-list
[ ext-comm-list-number ]
Display IPv4 prefix list statistics display ip ip-prefix [ ip-prefix-name ]
Display IPv6 prefix list statistics display ip ipv6-prefix [ ipv6-prefix-name ]
Display route policy information display route-policy [ route-policy-name ]
Available in any
view
Clear IPv4 prefix list statistics reset ip ip-prefix [ ip-prefix-name ]
Clear IPv6 prefix list statistics reset ip ipv6-prefix [ ipv6-prefix-name ]
Available in user
view
Route Policy Configuration Example
Applying a Route Policy to IPv4 Route Redistribution
Network Requirements
z
As shown in the following figure, Switch B exchanges routing information with Switch A using
OSPF, and with Switch C using IS-IS.
z
On Switch B, enable route redistribution from IS-IS to OSPF and apply a route policy to set the cost
of route 172.17.1.0/24 to 100, and the tag of route 172.17.2.0/24 to 20.