[c-nsp] Standby mode switchport status

[Brian Turnbow]

Standby is for backup interfaces.
Do you have switchport backup interfaace xxx in your config?

Regards
Brian

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Tom Storey
Sent: Wednesday, April 23, 2008 9:28 AM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] Standby mode switchport status

Hi all,

I have a 2940 switch with an SFP based gigabit uplink port. Im plugging
it
into an Alcatel radio unit, which seems to be reporting that the link is
up (there is a tick showing up in the management interface that
represents
"Port Up" which also goes away when I unplug the fibre), but on the
Cisco
I see the following:

Switch#sh int gi0/1
GigabitEthernet0/1 is standby mode, line protocol is down (disabled)

Switch#sh ip int brief
Interface            IP-Address   OK? Method Status         Protocol
GigabitEthernet0/1   unassigned   YES unset  standby mode   down

Given what I said above about the Alcatel unit, it seems as though
perhaps
the Alcatel is receiving signal from the Cisco, but the Cisco isnt
recognising anything. Have tried different fibre leads, plugging into
different devices, different SFPs, but nothing.

Does anyone have any idea what "standby mode" means, and whether it
could
be responsible for this behaviour?

Ive done a bit of searching to try and find out what this means, but
have
so far come accross nothing that helps. Hoping someone here will have
some
ideas.

Thanks,
Tom

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