vss quad-sup with sup 2T

[m.arancibia]

Hi everybody,

I have configured 2 6509E chassis with two 2T supervisors in each chassis. We are using de IOS version 15.1(1)SY.

We have a VSL with 2 TenGig interfaces.

After to apply the command : switch convert mode virtual , the Sup Standby in each chassis become to ROMMON mode.

When I connect to the console of sup (rommon) and apply the command boot, it received this message:

System detected Virtual Switch configuration...

Interface TenGigabitEthernet 2/5/4 is member of PortChannel 20

Interface TenGigabitEthernet 2/5/5 is member of PortChannel 20

Firmware compiled 11-Sep-12 14:49 by integ Build [26624]

*Apr 25 19:43:44.747: %PFREDUN-4-SUP_FORCE_TO_ROMMON: Supervisor forced to rommon with reason: In-chassis Standby is not supported in this version

Resetting .......

I try introducing the command : switch virtual in-chassis standby switch 1 enable; and after that I try to boot the sup(rommon) but the result is exactly the same.

Please, I need to know if is necessary to change to another IOS version or introduce another adicional configuration.

Config Applied:

switch virtual domain 100

switch mode virtual

interface Port-channel10

no switchport

no ip address

no platform qos channel-consistency

switch virtual link 1

!

interface Port-channel20

no switchport

no ip address

no platform qos channel-consistency

switch virtual link 2

!

interface TenGigabitEthernet1/5/4

no switchport

no ip address

no cdp enable

channel-group 10 mode on

!

interface TenGigabitEthernet1/5/5

no switchport

no ip address

no cdp enable

channel-group 10 mode on

!

interface TenGigabitEthernet2/5/4

no switchport

no ip address

no cdp enable

channel-group 20 mode on

!

interface TenGigabitEthernet2/5/5

no switchport

no ip address

no cdp enable

channel-group 20 mode on

!

Best Regards 

[Gregory Snipes]

Last I have heard, Quad SUP VSS still is not supported with the Sup2T. There has been some talk of it coming at some point but as of the latest IOS release, I have not seen it.  

[Reza Sharifi]

Hi.

VSS with 2 Sups in each chassis in not supported yet.

HTH

[Reza Sharifi]

Cisco has been talking about this for the last 2 years, but no action.

every time I ask, the answer is the next quarter or the first quarter of next year and so on......

[m.arancibia]

We have the exactly the same hw and sw in both chassis.

[Reza Sharifi]

Do you have the same exact Rommon firmware?

Also, can you try using only one sup in each chassis and test again?

BTW, your VSL config is correct.

HTH

[m.arancibia]

Hi Reza,

The VSS is working right now, but only with one supervisor by chassis.

When I introduces the command show module the second supervisor appears as UNKNOWN, and it must appears STANDBY(CSSO).

Regards.

[Reza Sharifi]

Can you post "sh module switch 1 and "sh module switch 2"?

Also, what is the output of "sh switch virt"?

They should be in SSO for the VSS to work correctly.

HTH

[m.arancibia]

The

--- show switch virtual ---

Switch mode                  : Virtual Switch

Virtual switch domain number : 100

Local switch number          : 1

Local switch operational role: Virtual Switch Active

Peer switch number           : 2

Peer switch operational role : Virtual Switch Standby

--- show switch virtual link ---

VSL Status : UP

VSL Uptime : 46 minutes

VSL SCP Ping : Pass

VSL ICC Ping : Pass

VSL Control Link : Te1/5/4 

VSL Encryption : Configured Mode - Off, Operational Mode - Off

--- show switch virtual role ---

RRP information for Instance 1

--------------------------------------------------------------------

Valid  Flags   Peer      Preferred  Reserved

               Count     Peer       Peer

--------------------------------------------------------------------

TRUE    V        1           1          1

Switch  Switch   Status      Priority     Role     Local   Remote

        Number               Oper(Conf)            SID     SID

--------------------------------------------------------------------

LOCAL   1         UP         100(100)     ACTIVE    0       0  

REMOTE  2         UP         100(100)     STANDBY   5179    1210

Peer 0 represents the local switch

Flags : V - Valid

In dual-active recovery mode: No

[Reza Sharifi]

Ok, VSS looks good.

how about sh mod swi 1 and sw 2?

also sh redu

[John Capobianco]

I am having this exact same problem.

Pre-VSL each stand alone 6509e showed both supervisors / modules / SSO in-chassis was all fine. After enabling the VSL link the second supervisor in each chassis is showing UNKNOWN.

Show interface status - module 6 is not listed

Show interface status - my cross connected interfaces (te1/5/5; 2/5/5) are showing NOT CONNECTED.

As per the guide I have

te1/5/4 -> 2/5/4

te1/6/4 -> 2/6/4

te 1/5/5 -> te2/6/5

te 1/6/5 -> te2/5/5

VSL link is up however I am only using the 1 pair of supervisors and 1 interface on each of the 2 supervisors that are up.

Meaning out of 8 interfaces only 2 are showing up connected.

Opened a TAC and hopefully Cisco can resolve it. I will post any results / findings from my TAC.

[Wilson Bonilla]

Hi John.

Quad-Sup in sup2t is supported on 15.1.(1)SY1. What version are your switches running?

Regards.

Wilson B

[John Capobianco]

Hi Wilson -

I am running that version on all 4 supervisors. 15.1(1)SY1.

The Cisco TAC thought it might be bad software image on the secondary supervisors however when I check filesize they match. I am going to replace the images with XMODEM this morning to verify they are running the same image file as the primary supervisors but I am pretty sure they are (as indicated by pre-VSL Active / Hot Standby; this image was fine pre-VSL)

Any ideas?

[John Capobianco]

I used TFTP to upload the same image the primary supervisors are running and still cannot boot out of rommon

[Wilson Bonilla]

Hello John.

Can you put in a notepad the booting process for both supervisors in chassis 1 for example and posted.

Regards.

Wilson B.