1-6Configuring Track-Static Routing CollaborationA static route is a manually configured route. With a static route configured, packets to the specifieddestination are forwarded through the path specified by the administrator.The disadvantage of using static routes is that they cannot adapt to network topology changes. If a faultor a topological change occurs in the network, the routes will be unreachable and the network breaks.To prevent this problem, you can configure another route to back up the static route. When the staticroute is reachable, packets are forwarded through the static route; when the static route is unreachable,packets are forwarded through the backup route, thus avoiding network break and enhancing networkreliability.You can check the reachability of a static route in real time by establishing collaboration between Trackand static routing.If you specify the next hop but not the egress interface when configuring a static route, you canestablish collaborations among the static route, the track module, and detection modules, and thuscheck the reachability of the static route according to the status of the track entry.z If the status of the track entry is Positive, then the next hop of the static route is reachable, and theconfigured static route is valid.z If the status of the track entry is Negative, then the next hop of the static route is unreachable, andthe configured static route is invalid.Follow these steps to configure the Track-Static Routing collaboration:To do… Use the command… RemarksEnter system view system-view —ip route-static dest-address{ mask | mask-length }{ next-hop-address |vpn-instanced-vpn-instance-namenext-hop-address } tracktrack-entry-number[ preference preference-value ][ tag tag-value ] [ descriptiondescription-text ]Configure the Track-StaticRouting collaboration, so as tocheck the reachability of thenext hop of the static routeip route-static vpn-instances-vpn-instance-name&<1-6>dest-address { mask |mask-length }{ next-hop-address tracktrack-entry-number [ public ] |vpn-instanced-vpn-instance-namenext-hop-address tracktrack-entry-number }[ preference preference-value ][ tag tag-value ] [ descriptiondescription-text ]RequiredUse either command.Not configured by default.
