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Cisco ME 3400 Ethernet Access Switch Software Configuration Guide
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Chapter 32 Configuring IP Unicast Routing
Configuring Protocol-Independent Features
Use the no maximum-paths router configuration command to restore the default value.
Configuring Static Unicast Routes
Static unicast routes are user-defined routes that cause packets moving between a source and a
destination to take a specified path. Static routes can be important if the router cannot build a route to a
particular destination and are useful for specifying a gateway of last resort to which all unroutable
packets are sent.
Beginning in privileged EXEC mode, follow these steps to configure a static route:
Use the no ip route prefix mask {address | interface} global configuration command to remove a static
route.
The switch retains static routes until you remove them. However, you can override static routes with
dynamic routing information by assigning administrative distance values. Each dynamic routing
protocol has a default administrative distance, as listed in Table 32-14. If you want a static route to be
overridden by information from a dynamic routing protocol, set the administrative distance of the static
route higher than that of the dynamic protocol.
Step 3
maximum-paths maximum Set the maximum number of parallel paths for the protocol routing
table. The range is from 1 to 8; the default is 4 for most IP routing
protocols, but only 1 for BGP.
Step 4
end Return to privileged EXEC mode.
Step 5
show ip protocols Verify the setting in the Maximum path field.
Step 6
copy running-config startup-config (Optional) Save your entries in the configuration file.
Command Purpose
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
ip route prefix mask {address | interface} [distance] Establish a static route.
Step 3
end Return to privileged EXEC mode.
Step 4
show ip route Display the current state of the routing table to verify
the configuration.
Step 5
copy running-config startup-config (Optional) Save your entries in the configuration file.
Table 32-14 Dynamic Routing Protocol Default Administrative Distances
Route Source Default Distance
Connected interface 0
Static route 1
Enhanced IRGP summary route 5
External BGP 20
Internal Enhanced IGRP 90
IGRP 100