04-Network Connectivity

HomeSupportConfigure & DeployConfiguration GuidesH3C FAT AP Configuration Guide(R5436)-6W10104-Network Connectivity
20-Static routing configuration
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20-Static routing configuration 50.48 KB

Configuring static routing

About static routes

Static routes are manually configured. If a network's topology is simple, you only need to configure static routes for the network to work correctly.

Static routes cannot adapt to network topology changes. If a fault or a topological change occurs in the network, the network administrator must modify the static routes manually.

Configuring a static route

1.     Enter system view.

system-view

2.     Configure a static route.

ip route-static dest-address { mask-length | mask } { interface-type interface-number [ next-hop-address ] | next-hop-address } [ permanent ] [ tag tag-value ] [ description text ]

By default, no static route is configured.

3.     (Optional.) Configure the default preference for static routes.

ip route-static default-preference default-preference

The default setting is 60.

Configuring a static route group

About this task

This task allows you to batch create static routes with different prefixes but the same output interface and next hop.

You can create a static route group, and specify the static group in the ip route-static command. All prefixes in the static route group will be assigned the next hop and output interface specified in the ip route-static command.

Procedure

1.     Enter system view.

system-view

2.     Create a static route group and enter its view.

ip route-static-group group-name

By default, no static route group is configured.

3.     Add a static route prefix to the static route group.

prefix dest-address { mask-length | mask }

By default, no static route prefix is added to the static route group.

4.     Return to system view.

quit

5.     Configure a static route.

ip route-static group group-name { interface-type interface-number [ next-hop-address ] | next-hop-address } [ permanent ] [ tag tag-value ] [ description text ]

By default, no static route is configured.

Deleting static routes

About this task

To delete a static route, use the undo ip route-static command. To delete all static routes including the default route, use the delete static-routes all command.

Procedure

1.     Enter system view.

system-view

2.     Delete all static routes.

delete static-routes all

Display and maintenance commands for static routing

Execute display commands in any view.

 

Task

Command

Display static route information.

display ip routing-table protocol static [ inactive | verbose ]

Display static route next hop information.

display route-static nib [ nib-id ] [ verbose ]

Display static routing table information.

display route-static routing-table [ ip-address { mask-length | mask } ]

 

For more information about the display ip routing-table protocol static [ inactive | verbose ] command, see basic IP routing in Network Connectivity Command Reference.

 


Configuring a default route

A default route is used to forward packets that do not match any specific routing entry in the routing table. Without a default route, packets that do not match any routing entries are discarded and an ICMP destination-unreachable packet is sent to the source.

To configure a default route, configure a static route with both destination and mask being 0.0.0.0. For more information, see "Configuring static routing."

 

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