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

From: Sadiq Yakasai <sadiqtanko_at_gmail.com>
Date: Thu, 5 Nov 2009 12:01:40 +0000

I see. Agreed something dodgy is up here. Can you try "show mac
address-table interface g1/x all", see if anything comes up?

Sadiq

On Thu, Nov 5, 2009 at 11:48 AM, olumayokun fowowe <olumayokun_at_gmail.com>wrote:

> Below is the 'show module' on the cisco 6509 switch:
>
> CAT6509#show module
> Mod Ports Card Type Model Serial
> No.
> --- ----- -------------------------------------- ------------------
> -----------
> 1 24 CEF720 24 port 1000mb SFP WS-X6724-SFP
> SAL09222220
> 4 48 CEF720 48 port 10/100/1000mb Ethernet WS-X6748-GE-TX
> SAD09200C4W
> 5 2 Supervisor Engine 720 (Active) WS-SUP720-3B
> SAD0919085C
> 6 2 Supervisor Engine 720 (Hot) WS-SUP720-3B
> SAD09200B34
>
> Mod MAC addresses Hw Fw Sw
> Status
> --- ---------------------------------- ------ ------------ ------------
> -------
> 1 0014.1c11.c3dc to 0014.1c11.c3f3 2.2 12.2(14r)S5 12.2(18)SXD4 Ok
> 4 0013.8051.2ff0 to 0013.8051.301f 2.2 12.2(14r)S5 12.2(18)SXD4 Ok
> 5 0011.5cab.5ec4 to 0011.5cab.5ec7 4.4 8.1(3) 12.2(18)SXD4 Ok
> 6 0011.5cb4.bc78 to 0011.5cb4.bc7b 4.4 8.1(3) 12.2(18)SXD4 Ok
>
> Mod Sub-Module Model Serial Hw
> Status
> --- --------------------------- ------------------ ------------ -------
> -------
> 1 Distributed Forwarding Card WS-F6700-DFC3B SAD09070BB1 2.0 Ok
> 4 Centralized Forwarding Card WS-F6700-CFC SAL09232FQA 2.0 Ok
> 5 Policy Feature Card 3 WS-F6K-PFC3B SAD091607A6 2.1 Ok
> 5 MSFC3 Daughterboard WS-SUP720 SAD091204U6 2.3 Ok
> 6 Policy Feature Card 3 WS-F6K-PFC3B SAD092009B6 2.1 Ok
> 6 MSFC3 Daughterboard WS-SUP720 SAD091204KN 2.3 Ok
>
> Mod Online Diag Status
> --- -------------------
> 1 Pass
> 4 Pass
> 5 Pass
> 6 Pass
>
> The SFP is on module one. The servers are connected directly to module one.
> So I expect to see the individual mac-addressess of each of the servers.
>
> Regards,
>
> Mayokun.
>
>
> On Thu, Nov 5, 2009 at 3:06 AM, Sadiq Yakasai <sadiqtanko_at_gmail.com>wrote:
>
>> 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
>>>
>>>
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>>
>>
>> --
>> CCIE #19963
>>
>
>

-- 
CCIE #19963
Blogs and organic groups at http://www.ccie.net
Received on Thu Nov 05 2009 - 12:01:40 ART

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