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Can you use the switchports on your standby supervisor?

Hi, I'm wondering if you can use the switchports on your standby supervisor or are the active supervisors ports the only ports available for use? I'm thinking of using 2 x sup-2t's and want to use the 2 x 10GE ports.

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2 ACCEPTED SOLUTIONS

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Cisco Employee

Can you use the switchports on your standby supervisor?

Hello,

Yes you can see and use ports on the stndby Supervisor.

Nik

Cisco Employee

Can you use the switchports on your standby supervisor?

yes,

When a redundant supervisor engine is in standby mode, the two Gigabit Ethernet interfaces on the redundant supervisor engine are always active unless you enter the fabric switching-mode allow dcef-only command.

With a Supervisor Engine 720, if all the installed switching modules have DFCs, enter the fabric switching-mode allow dcef-only command to disable the Ethernet ports on both supervisor engines, which ensures that all modules are operating in dCEF mode and simplifies switchover to the redundant supervisor engine.

http://www.cisco.com/en/US/partner/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/nsfsso.html

but we aware of Sup-720-10GE gotchas:

Supervisor Engine 720-10GE Restrictions

In RPR redundancy mode, the ports on a Supervisor Engine 720-10GE in standby mode are disabled.

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/release/notes/hardware.html

Regards,

Riccardo

2 REPLIES
Cisco Employee

Can you use the switchports on your standby supervisor?

Hello,

Yes you can see and use ports on the stndby Supervisor.

Nik

Cisco Employee

Can you use the switchports on your standby supervisor?

yes,

When a redundant supervisor engine is in standby mode, the two Gigabit Ethernet interfaces on the redundant supervisor engine are always active unless you enter the fabric switching-mode allow dcef-only command.

With a Supervisor Engine 720, if all the installed switching modules have DFCs, enter the fabric switching-mode allow dcef-only command to disable the Ethernet ports on both supervisor engines, which ensures that all modules are operating in dCEF mode and simplifies switchover to the redundant supervisor engine.

http://www.cisco.com/en/US/partner/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/nsfsso.html

but we aware of Sup-720-10GE gotchas:

Supervisor Engine 720-10GE Restrictions

In RPR redundancy mode, the ports on a Supervisor Engine 720-10GE in standby mode are disabled.

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/release/notes/hardware.html

Regards,

Riccardo

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