Reference Guide

Version 8.3.7.0 Introduced on the S4810.
Version 8.2.1.0 Added support for 4094 VLANs on the E-Series ExaScale (the prior
limit was 2094).
Version 8.1.1.0 Introduced on the E-Series ExaScale.
Version 7.9.1.0 Introduced VRF on the E-Series.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.1.1.0
Introduced on the E-Series.
Usage
Information
Using the following example of a static route: ip route 33.33.33.0 /24 tengigabitethernet 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 an 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
show ip route — views the switch routing table.
show ipv6 route — displays the IPv6 routes.
ip source-route
Enable FTOS to forward IP packets with source route information in the header.
S4820T
Syntax
ip source-route
To drop packets with source route information, use the no ip route-source command.
Defaults Enabled.
Command Modes CONFIGURATION
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
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