3com MSR 20-20 참조 매뉴얼

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You can also configure an IP address pool in ISP domain view for assigning IP 
addresses to the PPP users in the ISP domain. This applies to the scenario where 
an interface serves a great amount of PPP users but the address resources are 
inadequate. For example, an Ethernet interface running PPPoE can 
accommodate up to 4095 users. However, only one address pool with up to 
1024 addresses can be configured on its virtual template (VT). This is obviously 
far from what is required. To address the issue, you can configure address pools 
for ISP domains and assign addresses from them to the PPP users by domain.

remote address on page 523.

# Configure the IP address pool 0 with the address range of 129.102.0.1 to 
129.102.0.10.

<Sysname> system-view

[Sysname] domain aabbcc.net

[Sysname-isp-aabbcc.net] ip pool 0 129.102.0.1 129.102.0.10 

level level

Local user view

level: Priority level for the user, which can be 0 for visiting level, 1 for monitoring 
level, 2 for system level, and 3 for administration level. A smaller number means a 
lower priority.

Use the level command to set the priority level of a user.

Use the undo level command to restore the default.

By default, the user priority is 0.

Note that:

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If you specify not to perform authentication or use password authentication, 
the level of the commands that a user can use after logging in depends on the 
priority of the user interface. For details about the authentication, refer to 
“authentication-mode” on page 2452.

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If you specify an authentication method that requires the username and 
password, the level of the commands that a user can use after logging in 
depends on the priority of the user. For an SSH user using RSA public key 
authentication, the commands that can be used depend on the level 
configured on the user interface.