GE Multilink ML3000

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CHAPTER 6: ACCESS CONSIDERATIONS ACCESS CONSIDERATIONS

MULTILINK ML3000 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL 6–5

To deny a mac address, use the following:

#port-security

(port-security)##ps enable

(port-security)##deny mac=<address,list,range> port=<num,list,range>

(port-security)##action port=<num,list,range>drop

Example 6-1 views port security settings on a switch. Learning is enabled on port 9. This

port has 6 stations connected to it with the MAC addresses as shown. Other ports have

learning disabled and the MAC addresses are not configured on those ports.

Example 6-1: Viewing the port security settings

ML3000# show port-security

PORT STATE SIGNAL ACTION LEARN COUNT MAC ADDRESS

---- ----- ------ ------ ----- ----- -----------

9 ENABLE LOG NONE ENABLE 6 00:e0:29:2a:f1:bd

00:01:03:e2:27:89

00:07:50:ef:31:40

00:e0:29:22:15:85

00:03:47:ca:ac:45

00:30:48:70:71:23

10 ENABLE NONE NONE DISABLE 0 Not Configured

11 ENABLE NONE NONE DISABLE 0 Not Configured

12 ENABLE NONE NONE DISABLE 0 Not Configured

13 ENABLE NONE NONE DISABLE 0 Not Configured

14 ENABLE NONE NONE DISABLE 0 Not Configured

15 ENABLE NONE NONE DISABLE 0 Not Configured

16 ENABLE NONE NONE DISABLE 0 Not Configured

ML3000(port-security)##

Example 6-2: Enabling learning on a port

ML3000(port-security)## learn port=11 enable

Port Learning Enabled on selected port(s)

ML3000(port-security)## show port-security