1-10To do… Use the command… RemarksSet a preferred value for BGProuting informationapply preferred-valuepreferred-valueOptionalNot set by default.Set a tag value for RIP, OSPF orIS-IS routing information apply tag value OptionalNot set by default.z The difference between IPv4 and IPv6 apply clauses is the command for setting the next hop forrouting information.z The apply ip-address next-hop and apply ipv6 next-hop commands do not apply toredistributed IPv4 and IPv6 routes respectively.Displaying and Maintaining the Route PolicyTo do… Use the command… RemarksDisplay BGP AS-PATH listinformation display ip as-path [ as-path-number ]Display BGP community listinformationdisplay ip community-list[ basic-community-list-number |adv-community-list-number ]Display BGP extendedcommunity list informationdisplay 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 anyviewClear 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 userviewRoute Policy Configuration ExampleApplying a Route Policy to IPv4 Route RedistributionNetwork Requirementsz As shown in the following figure, Switch B exchanges routing information with Switch A usingOSPF, 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 costof route 172.17.1.0/24 to 100, and the tag of route 172.17.2.0/24 to 20.