Re: OT: Mac-address Table on Catalyst 6509 with SFP fibre

Hi Mayokun,

I am not very clear about what you are expecting to see. Which of the
interfaces are the SFP ones? Can you provide a "show module" output? From
where I am looking, I dont see what the issue is...

Sadiq

On Thu, Nov 5, 2009 at 11:00 AM, olumayokun fowowe <olumayokun_at_gmail.com>wrote:

> Hello All,
>
> I came across a situation today which surprised me. I don't know if any
> other person have come across same. I have a cisco 6509 switch with SFP
> fibre module, and servers are connected directly fo the SFP module using
> fibre patch cables. I did a "show mac-address table on the cisco 6509
> switch. I was expecting to see the mac-addresses of the connecting devices
> instead I saw a generic mac-address for all the servers connecting to the
> SFP module. Moreover I was able to see the mac-addresses of servers
> connected to a similar switch but with a GigabitEthernet module.
>
> CAT6509#sh mac-address-table
> Legend: * - primary entry
> age - seconds since last seen
> n/a - not available
>
> vlan mac address type learn age ports
>
> ------+----------------+--------+-----+----------+--------------------------
>
> * 500 3333.0000.000d static Yes - Gi1/2,Gi1/3,Gi1/4,Gi1/5
> Gi1/6,Gi1/7,Gi1/8,Gi1/9
>
> Gi1/10,Gi1/12,Gi1/13,Gi1/14
>
> Gi1/15,Gi1/16,Gi1/17,Gi1/22
>
> Gi1/23,Gi1/24,Gi4/19,Gi4/43
> Gi5/1,Gi6/1,Po23,Router
> Switch,Stby-Switch
> * 504 3333.0000.000d static Yes - Gi1/2,Gi1/3,Gi1/4,Gi1/5
> Gi1/6,Gi1/7,Gi1/8,Gi1/9
>
> Gi1/10,Gi1/12,Gi1/13,Gi1/14
>
> Gi1/15,Gi1/16,Gi1/17,Gi1/22
>
> Gi1/23,Gi1/24,Gi4/19,Gi4/43
> Gi5/1,Gi6/1,Po23,Router
> Switch,Stby-Switch
> * 22 0013.7256.7c68 dynamic Yes 10 Gi5/1
> * 22 0004.fc01.84ba dynamic Yes 0 Gi5/1
> * 460 3333.0000.000d static Yes - Gi1/2,Gi1/3,Gi1/4,Gi1/5
> Gi1/6,Gi1/7,Gi1/8,Gi1/9
>
> Gi1/10,Gi1/12,Gi1/13,Gi1/14
>
> Gi1/15,Gi1/16,Gi1/17,Gi1/22
>
> Gi1/23,Gi1/24,Gi4/19,Gi4/43
> Gi5/1,Gi6/1,Po23,Router
>
> I don't know if anybody can explain what might be happening to me.
>
> Regards,
>
> Mayokun
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
>
>
>
>
>
>

-- 
CCIE #19963
Blogs and organic groups at http://www.ccie.net