3Com 10014299 manual By default no address pool is defined by the system

536CHAPTER 38: CONFIGURING AAA AND RADIUS PROTOCOL

■aaa authentication-scheme ppp default radius local

Different PPP authentication method lists can be configured for different interfaces.

Configuring the When local-first authentication is configured, the user is authenticated locally first. Local-FirstIf local authentication fails, then the authentication method configured in the

Authentication of AAA method list is used instead. Once local-first authentication is configured, it is applied to all users using PPP and login.

Perform the following configurations in system view.

Table 602 Configure AAA Local-First Authentication

Operation	Command
Enable local-first authentication	aaa authentication-scheme
	local-first
Disable local-first authentication	undo aaa authentication-scheme
	local-first

By default local-first authentication is disabled.

Configuring the AAA In case there is no available RADIUS accounting server or if communication with Accounting Option the RADIUS accounting server fails, and if only aaa accounting-scheme

optional command is configured then the user is be disconnected and can still use the network resources.

Perform the following configurations in system view.

Table 603 Configure AAA Accounting Option

Operation	Command
Turn on accounting option switch	aaa accounting-scheme-scheme
	optional
Turn off accounting option switch	undo aaa accounting-scheme-scheme
	optional

By default, the accounting option is disabled and users are charged. When the method list designated by the user is none, accounting is unnecessary.

Configuring a Local IP A local address pool is mainly used to assign an IP address for users who log in Address Pool remote PPP. If the end IP address of the pool is not specified when the IP address

pool is defined, there will be only one IP address in the address pool.

Perform the following configurations in system view.

Table 604 Configure Local IP Address Pool

Operation	Command
Configure local IP address pool	ip pool pool-number low-ip-address [
	high-ip-address ]
Cancel local IP address pool	undo ip pool pool-number

By default no address pool is defined by the system.