Administrator Guide

Security Commands 945
Syntax
radius-server source-interface {loopback loopback-id | vlan vlan-id }
no radius-server source-interface
• loopback-id — A loopback interface identifier.
•
vlan-id —A VLAN identifier.
Default Configuration
By default, the switch uses the assigned switch IP address as the source IP
address for RADIUS packets. This is either the IP address assigned to the
VLAN from which the RADIUS packet originates or the out-of-band interface
IP address.
Command Mode
Global Configuration
User Guidelines
The source IP address of RADIUS packets sent to a server should match the
NAS IP address configured on the RADIUS server. A mismatch may lead to a
RADIUS packet timeout.
Command History
Introduced in version 6.3.0.1 firmware.
Example
console#conf
console(config)#interface vlan 1
console(config-if-vlan1)#ip address dhcp
console(config-if-vlan1)#exit
console(config)#radius-server source-interface vlan 1
radius-server timeout
Use the radius-server timeout command in Global Configuration mode to set
the interval for which a switch waits for a server to reply. To restore the
default, use the no form of this command.
2CSNXXX_SWUM204.book Page 945 Monday, January 25, 2016 1:25 PM