Re: SVI Interfaces has same MAC

Hi Kid,

here is the link to the cisco website:

https://www.cisco.com/en/US/products/hw/switches/ps700/products_tech_note09186a00801c9b4e.shtml

By default Catalyst Switches come with with the same MAC Addresses
configured on all interfaces. Although you can change it on some platforms.

P.S.: Are you talking about Catalyst Switches? :-)

Greetings

Martin

2011/10/11 CCIE KID <eliteccie_at_gmail.com>

> Here is the detail output
>
> R3(config-if)#do sh int vlan 10 | i address
> Hardware is EtherSVI, address is c202.14d8.0000 (bia c202.14d8.0000)
> Internet address is 10.1.1.3/24
> R3(config-if)#
> R3(config-if)#
> R3(config-if)#do sh int vlan 20 | i address
> Hardware is EtherSVI, address is c202.14d8.0000 (bia c202.14d8.0000)
> Internet address is 20.1.1.3/24
>
>
> Can anyone say why two different SVIs use same MAC address.
>
> On Tue, Oct 11, 2011 at 11:57 AM, CCIE KID <eliteccie_at_gmail.com> wrote:
>
> > Hi fellas,
> >
> > I find different SVI's has same MAC address .Like SVI for Vlan 10 and
> SVI
> > for Vlan 20 has same virtual MAC address. I want to know the reason why
> they
> > both have same MAC address. Is there any reason behind it to do this kind
> of
> > design. This is my config
> >
> > int vlan 10
> > ip add 10.1.1.1 255.255.255.0
> >
> > int vlan 20
> > ip add 20.1.1.1 255.255.255.0
> >
> > and I find same virtual MAC address when i do sh ip int vlan
> >
> >
> >
> > --
> > With Warmest Regards,
> >
> > CCIE KID
> > CCIE#29992 Security
> >
>
>
>
> --
> With Warmest Regards,
>
> CCIE KID
> IN PURSUIT OF CCIE
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Tue Oct 11 2011 - 09:02:00 ART