ProCurve 2900 Betriebsanweisung PDF herunterladen (Seite 68)

IP Routing Features

Configuring Static IP Routes

Syntax: [no] ip icmp unreachable

Disabling ICMP Redirects

You can disable ICMP redirects on the ProCurve routing switch only on a

global basis, for all the routing switch interfaces. To disable ICMP redirects

globally, enter the following command at the global CONFIG level of the CLI:

ProCurve(config)# no ip icmp redirects

Syntax: [no] ip icmp redirects

Configuring Static IP Routes

This feature enables you to create static routes (and null routes) by adding

such routes directly to t he route table. This section describes how to add static

and null routes to the IP route table.

Static Route Types

You can configure the following types of static IP routes:

■ Standard – the static route consists of a destination network address or

host, a corresponding network mask, and the IP address of the next-hop

IP address.

■ Null (discard) – the Null route consists of the destination network

address or host, a corresponding network mask, and either the reject or

blackhole keyword. Typically, the null route is configured as a backup

route for discarding traffic if the primary route is unavailable. By default,

when IP routing is enabled, a route for the 127.0.0.0/8 network is created

to the null interface. Traffic to this interface is rejected (dropped). This

route is for all traffic to the “loopback” network, with the single exception

of traffic to the host address of the switch’s loopback interface (127.0.0.1/

32). Figure 3-2 on page 3-20 illustrates the default Null route entry in the

switch’s routing table.

Note On a single routing switch you can create one static route or null route to a

given destination. Multiple static or null routes to the same destination are not

supported.

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ProCurve 2900 Betriebsanweisung Seite 68