Command Reference Guide

672 | IPv4 Routing
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Defaults
Not configured.
Command Modes
CONFIGURATION
Command
History
Usage
Information
Using the following example of a static route:
ip route 33.33.33.0 /24 gigabitethernet 0/0 172.31.5.43
• The software installs a next hop that is not on the directly connected subnet but
which recursively resolves to a next hop on the interface’s configured subnet. In
the example, if gig 0/0 has ip address on subnet 2.2.2.0 and if 172.31.5.43
recursively resolves to 2.2.2.0, FTOS installs the static route.
• When the interface goes down, FTOS withdraws the route.
• When the interface comes up, FTOS re-installs the route.
• When recursive resolution is “broken,” FTOS withdraws the route.
• When recursive resolution is satisfied, FTOS re-installs the route.
Related
Commands
permanent
(OPTIONAL) Enter the keyword permanent to specify the route is not
removed, even if the interface assigned to that route goes down. The route must
be up initially to install it in the routing table.
If you disable the interface with an IP address associated with the keyword
permanent, the route disappears from the routing table.
tag tag-value (OPTIONAL) Enter the keyword tag followed by a number to assign to the
route.
Range: 1 to 4294967295
Version 8.5.1.0 Added support for 4-port 40G line cards on ExaScale.
Version 8.3.7.0 Introduced on S4810
Version 8.2.1.0 Support 4094 VLANs on E-Series ExaScale (prior limit was 2094)
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.9.1.0 Introduced VRF on the E-Series
Version 7.6.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series
pre-Version 6.1.1.0 Introduced for E-Series
show ip route View the switch routing table.