Jumbo Frame - Dell PowerConnect 5224 System User's Manual

Local, Radius — The switch attempts to authenticate the user first, and then a RADIUS server attempts to authenticate the user.
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Server IP Address — Identifies the IP address of the RADIUS server.
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Server Port Number — Identifies the User Datagram Protocol (UDP) port number used by the RADIUS server.
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Secret Text String — Specifies the text string that is shared between the switch and the RADIUS server.
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Number of Server Transmits — Specifies the number of request transmits to the RADIUS server before failure.
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Timeout for a reply (sec)— Specifies the number of seconds the switch waits for a reply from the RADIUS server before it resends the request.
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NOTE: The local switch user database must be set up through the CLI by manually entering user names and passwords.
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CLI Commands
The following table summarizes the equivalent CLI commands for items in the Switch/Security/RADIUS Settings page.
Command
authentication login {radius | local |
radius local | local radius}
radius-server host host_ip_address
radius-server port port_number
radius-server key key_string
radius-server retransmit
number_of_retries
radius-server timeout
number_of_seconds
Example
Console(config)#authentication login radius
Console(config)#radius-server host 192.168.1.25
Console(config)#radius-server port 181
Console(config)#radius-server key solvent
Console(config)#radius-server retransmit 5
Console(config)#radius-server timeout 10
Console(config)#

Jumbo Frame

From the Jumbo Frame page, you can enable and disable jumbo frame support on the switch.
The switch provides more efficient large sequential data transfers by supporting jumbo frames up to 9000 bytes. Compared to standard Ethernet frames that
run only up to 1500 bytes, using jumbo frames significantly reduces the per-packet overhead required to process protocol encapsulation fields.
To use jumbo frames, both the source and destination end nodes (such as a computer or server) must support jumbo frames. In addition, when the
connection is operating at full duplex, all switches in the network between the two end nodes must be able to accept the extended frame size. For half-duplex
connections, all devices in the collision domain must support jumbo frames.
To enable jumbo frame support on the switch, set the Jumbo Frame Support Status to Enabled.
NOTICE: Enabling jumbo frames on the switch limits the maximum threshold for broadcast storm control to 64 packets per second.
Usage
Defines the login authentication method and precedence.
Specifies the RADIUS server IP address.
Sets the RADIUS server UDP port number.
Sets the RADIUS encryption key (up to 20 characters).
Sets the number of times the switch attempts to authenticate
logon access through the RADIUS server. (The range is 1–30.)
Sets the number of seconds the switch waits for a reply before
resending a request. (The range is 1–65535.)