RE: 3550 port security w/o L2 or L3 access-list

From: Khalid A. Kaseb (khalid_ameen@rayaintegration.com)
Date: Thu Feb 06 2003 - 10:16:06 GMT-3


May be you need no arp arpa under the interface conf.
 switchport port-security max 1

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
KT Wee
Sent: Thursday, February 06, 2003 2:18 PM
To: ccielab@groupstudy.com
Subject: 3550 port security w/o L2 or L3 access-list

Hi Guys,

Got a scenario on 3550. Only allow packet with mac-address
1234.1234.1234 and ip address 1.1.1.1 to access port fa0/1. Cannot use
L2 or L3 access list. I though of using switchport port-security and arp
static mapping as follow:

interface FastEthernet0/1
 switchport mode access
 switchport port-security
 switchport port-security mac-address 1234.1234.1234

arp 1.1.1.1 1234.1234.1234 ARPA

I am able to ping to 1.1.1.1. But if I change the host to 1.1.1.2, I am
still able to ping to 1.1.1.2. This would go against the condition only
the host with 1.1.1.1 is allowed. I saw some thread similar before but
can't find anything in archive. Please help thanks.

 

Regards

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This archive was generated by hypermail 2.1.4 : Sat Mar 01 2003 - 11:06:11 GMT-3