Инструкции По Установке для 3com S7906E

 

8-3 

This configuration needs to be implemented by Layer 2 ACL; a Layer 2 ACL ranges from 4000 to 4999. 

For the definition of ACL, refer to ACL Configuration in the Security Volume. 

Follow these steps to control Telnet users by source MAC addresses: 

Enter system view 

— 

Create a basic ACL or enter 
basic ACL view 

acl 

number 

[  match-order { config | 
auto } ] 

As for the acl number 
command, the config keyword 
is specified by default. 

Define rules for the ACL 

rule [ rule-id ] { permit | deny } 
rule-string 

Required 

You can define rules as needed 
to filter by specific source MAC 
addresses. 

Quit to system view

 

— 

Enter user interface view 

[ type ] 

first-number [ last-number ] 

— 

Apply the ACL to control Telnet 
users by source MAC 
addresses 

acl acl-number  inbound 

Required 

The 

inbound keyword 

specifies to filter the users 
trying to Telnet to the current 
switch. 

 

Layer 2 ACL is invalid for this function if the source IP address of the Telnet client and the interface IP 

address of the Telnet server are not in the same subnet. 

Only the Telnet users sourced from the IP address of 10.110.100.52 and 10.110.100.46 are permitted to 

log in to the switch.