Re: port-security 3550

From: boby2kusa@hotmail.com
Date: Mon Jul 07 2003 - 18:12:49 GMT-3


That's correct the default is 1 mac address. can be configured with up to
128 mac addresses.

----- Original Message -----
From: "SHARMA,MOHIT (HP-Germany,ex1)" <mohit.sharma@hp.com>
To: <Danny.Andaluz@triaton-na.com>; <chenry@reuna.cl>
Cc: <ccielab@groupstudy.com>
Sent: Monday, July 07, 2003 1:57 PM
Subject: RE: port-security 3550

> By default the maximum number allowed secure address is 1. It is
> configurable by
> switchport port-security maximum <value>
>
> -----Original Message-----
> From: Danny.Andaluz@triaton-na.com [mailto:Danny.Andaluz@triaton-na.com]
> Sent: Monday, July 07, 2003 10:52 PM
> To: chenry@reuna.cl
> Cc: ccielab@groupstudy.com
> Subject: RE: port-security 3550
>
>
> Yeah. That's because you are specifying the MAC address. Anyone, please
> correct me if I'm wrong.
>
> Danny
>
> -----Original Message-----
> From: Cristian Henry H [mailto:chenry@reuna.cl]
> Sent: Monday, July 07, 2003 4:52 PM
> To: Andaluz, Danilo, Triaton/NA
> Cc: ccielab@groupstudy.com
> Subject: Re: port-security 3550
>
>
> Look this,
>
> interface FastEthernet0/1
> switchport access vlan 10
> switchport mode access
> switchport port-security
> switchport port-security violation protect
> switchport port-security mac-address 0009.b7da.4140
> !
>
> with the configuration above, without config "maximun 1" works as
expected,
>
> #sh port-security
> Secure Port MaxSecureAddr CurrentAddr SecurityViolation Security
> Action
> (Count) (Count) (Count)
> --------------------------------------------------------------------------

--
> ---
>      Fa0/1           1               1             4
> Protect
> --------------------------------------------------------------------------
--
> ---
> Total Addresses in System : 1
> Max Addresses limit in System : 128
>
> #sh mac-address-table interface f0/1
>           Mac Address Table
> ------------------------------------------
>
> Vlan    Mac Address       Type       Ports
> ----    -----------       ----       -----
>   10    0009.b7da.4140    STATIC     Fa0/1
> Total Mac Addresses for this criterion: 1
>
>
>
> Danny.Andaluz@triaton-na.com ha escrito:
> >
> > Hello, Group.  Quick question on port security.
> >
> > interface FastEthernet0/7
> >  switchport port-security violation protect
> >
> > r7---cat3550
> >
> > Will the above config allow the port to only learn r7's MAC and none
> > other? Here's the requirement:
> >
> > Configure the port attached to R7 to only learn 1 MAC address.  If
> > other devices are connected to this port, it should not be shut down,
> > but rather deny any communications from these new MAC's.
> >
> > I think the "protect" keyword prevents the port from being shutdown.
> > I'm confused about the part where it only learns R7's MAC.  If another
> > device connects to this port, how does the switch know it's not R7.
> > I'm guessing it's dynamic, but is the above all that is needed as far
> > as configurations on the cat interface?  Shouldn't the command
> > "switchport port-security" be added as well?  I was looking at the Doc
> > CD, but it's not clear.  I'm finding conflicting info.
> >
> > Thanks,
> > Danny
> >
> > ______________________________________________________________________
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> --
> Cristian E. Henry
> REUNA
>
> E-mail: chenry@reuna.cl
> Fono: 56-2-3370336
>
>
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