RE: 3550 static portsecurity

From: Jason Cash (cash2001@swbell.net)
Date: Tue Apr 08 2003 - 01:13:14 GMT-3


Thanks alot! Although it wasn't on F0/1, I did move it from another
port to F0/7. Removing the config on the interface and rebooting seemed
to have resolved the issue.

3550-1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
3550-1(config)#int f0/7
3550-1(config-if)#swi
3550-1(config-if)#switchport port
3550-1(config-if)#switchport port-security vio
3550-1(config-if)#switchport port-security violation shut
3550-1(config-if)#switchport port-security violation shutdown
3550-1(config-if)#^Z
3550-1#sh run

interface FastEthernet0/7
 description R7 - F0/0
 switchport access vlan 567
 switchport mode access
 switchport port-security
 switchport port-security mac-address 0009.b769.5f00
 no ip address
 duplex full
 speed 100
 storm-control broadcast level 30.00
 spanning-tree portfast

-----Original Message-----
From: David Porta [mailto:David.Porta003@msd.govt.nz]
Sent: Monday, April 07, 2003 10:51 PM
To: Jason Cash
Subject: Re: 3550 static portsecurity

Hi Jason,

When you configured this feature you probably had the device with the
MAC 0009.b769.5f00 connected to the fa0/1 on the 3550.

Try the following:
1. erase the configuration on port fa0/7
2. have port fa0/7 disconnected from the device with the MAC
0009.b769.5f00
3. reboot the switch
4. statically configure port fa0/7 as an access port (switchport mode
access)
5. configure fa0/7 with port security for the specific MAC.

Let me know if that works for you.

Jason Cash wrote:
>
> I am trying to define a static mac-address under port security, but it
> doesn't show up in the config nor as a static entry. What am I
> missing?!
>
> 3550-1#conf t
> Enter configuration commands, one per line. End with CNTL/Z.
> 3550-1(config)#int f0/7
> 3550-1(config-if)#switchport port-security mac-address 0009.b769.5f00
> 3550-1(config-if)#^Z
> 3550-1#sh port-security add
> Secure Mac Address Table
> -------------------------------------------------------------------
> Vlan Mac Address Type Ports Remaining Age
> 567 0009.b769.5f00 SecureDynamic Fa0/7 1440 (I)
> -------------------------------------------------------------------
> Total Addresses in System : 1
> Max Addresses limit in System : 128
>
> 3550-1#sh port-security int f0/7
> Port Security : Enabled
> Port status : SecureUp
> Violation mode : Shutdown
> Maximum MAC Addresses : 1
> Total MAC Addresses : 1
> Configured MAC Addresses : 0
> Sticky MAC Addresses : 0
> Aging time : 1440 mins
> Aging type : Inactivity
> SecureStatic address aging : Enabled
> Security Violation count : 0
>
> 3550-1#sh run | beg interface FastEthernet0/7
> interface FastEthernet0/7
> description R7 - F0/0
> switchport access vlan 567
> switchport mode access
> switchport port-security
> switchport port-security aging time 1440
> switchport port-security aging type inactivity
> switchport port-security aging static
> no ip address
> duplex full
> speed 100
> spanning-tree portfast

-- 

--------------------------------- David Porta MSD Network Support +064..04.916.3222

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