Configuration Examples for RADIUS
Examples: Identifying the RADIUS Server Host
This example shows how to configure one RADIUS server to be used for authentication and another to be
used for accounting:
Switch(config)# radius-server host 172.29.36.49 auth-port 1612 key rad1
Switch(config)# radius-server host 172.20.36.50 acct-port 1618 key rad2
This example shows how to configure host1 as the RADIUS server and to use the default ports for both
authentication and accounting:
Switch(config)# radius-server host host1
Example: Using Two Different RADIUS Group Servers
In this example, the switch is configured to recognize two different RADIUS group servers (group1 and
group2). Group1 has two different host entries on the same RADIUS server configured for the same services.
The second host entry acts as a fail-over backup to the first entry.
Switch(config)# radius-server host 172.20.0.1 auth-port 1000 acct-port 1001
Switch(config)# radius-server host 172.10.0.1 auth-port 1645 acct-port 1646
Switch(config)# aaa new-model
Switch(config)# aaa group server radius group1
Switch(config-sg-radius)# server 172.20.0.1 auth-port 1000 acct-port 1001
Switch(config-sg-radius)# exit
Switch(config)# aaa group server radius group2
Switch(config-sg-radius)# server 172.20.0.1 auth-port 2000 acct-port 2001
Switch(config-sg-radius)# exit
Examples: AAA Server Groups
The following example shows how to create server group radgroup1 with three different RADIUS server
members, each using the default authentication port (1645) and accounting port (1646):
aaa group server radius radgroup1
server 172.16.1.11
server 172.17.1.21
server 172.18.1.31
The following example shows how to create server group radgroup2 with three RADIUS server members,
each with the same IP address but with unique authentication and accounting ports:
aaa group server radius radgroup2
server 172.16.1.1 auth-port 1000 acct-port 1001
server 172.16.1.1 auth-port 2000 acct-port 2001
server 172.16.1.1 auth-port 3000 acct-port 3001
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
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Configuration Examples for RADIUS
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