Concept Guide
• Timeout for reply (sec) — Seconds that I/O Aggregator device waits for a reply from the TACACS+
server before it times out the connection.
Adding TACACS+ Settings
On the Security page, you can add new TACACS+ server settings. You can configure a maximum of 10
TACACS+ servers.
NOTE: You can only configure TACACS+ settings for M1000e and FN IOA devices in standalone or
VLT mode.
1. From the navigation menu, select Security.
2. In the TACACS+ section, click Edit.
The TACACS Settings dialog box appears.
3. Click Add.
The Add TACACS+ dialog box appears.
4. In the Source field, select whether you want to enter an IP Address or Host Name for the TACACS+
server.
5. In the Source IP Address or Host Name field, enter the IP address or host name (depending on the
selection you made in step 1) for the TACACS+ server.
NOTE: IP addresses must be in IPv4 notation. You cannot enter a host name if the I/O
Aggregator device is in stack or VLT mode.
6. In the Key String field, enter the authentication key string exchanged between the TACACS+ server
and the I/O Aggregator device. The maximum length of the key string is 42 characters.
7. In the TCP-Port field, enter the TCP port used to connect to the TACACS+ server. The default value
is 49.
8. In the Timeout for Reply (sec) field, enter the number of seconds the I/O Aggregator device waits for
a reply from the TACACS+ server before timing out the connection. The default value is 10.
9. Click Apply.
The settings for the server appear in the TACACS settings dialog box.
Removing TACACS+ Settings
On the Security page, you can remove TACACS+ server settings.
1. From the navigation menu, select Security.
2. In the TACACS+ section, click Edit.
The TACACS settings dialog box appears.
3. Select the check box of the server settings and click Remove.
NOTE: Removing a TACACS+ server settings causes the remaining settings to move up one
number. For example, if you delete settings number 3, the previous settings number 4 becomes the
new number 3.
RADIUS
Dell Networking OS supports RADIUS as an alternate method for login authentication for I/O Aggregator
devices. On the Security page, you can configure up to 10 RADIUS servers.
NOTE: You can only view and configure RADIUS settings for M1000e and FN IOA devices in
standalone or VLT mode.
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