Hello Cristiano,

I have a port set up with linkflap in my lab. The configuration looks like this:
#linkflap
set linkflap globalstate enable
set linkflap portstate enable fe.1.6
set linkflap action fe.1.6 disableInterface
set linkflap threshold fe.1.6 2
set linkflap interval fe.1.6 10
set linkflap downtime fe.1.6 10
!
End

The problem is that you must loose link on the switch for linkflap to work.
If you have a wireless device attached to the port and the wireless link drops 
but the Ethernet link from the switch to the wireless device does not drop link 
linkflap will not be useful.

Dave Sillsby
Enterasys - GTAC
-----Original Message-----
From: Cristiano Rodrigues [mailto:[EMAIL PROTECTED]
Sent: Tuesday, October 21, 2008 11:26 AM
To: Enterasys Customer Mailing List
Subject: RE: [enterasys] Linkflap C2 / E1

The Linkflap feature is not enabled in the Switch. I did some experiments with 
it using a previous firmware version and it didn't work well. - The link would 
not come up and instead it was going offline more often. - Maybe it's time to 
try it again?

I could do some experiments using linkflap, but I would be more sure of myself 
if I had anyone's working linkflap parameters.


Cristiano Rodrigues
Técnico
Direcção de Estudos e Planeamento
[EMAIL PROTECTED]
-
Rua do Repouso, n10, 8000-302 Faro
T: +351 289 899 070
F: +351 289 899 079
W: http://www.aguasdoalgarve.pt
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-----Original Message-----
From: Andy Middlehurst [mailto:[EMAIL PROTECTED]
Sent: terça-feira, 21 de Outubro de 2008 16:12
To: Enterasys Customer Mailing List
Subject: RE: [enterasys] Linkflap C2 / E1

Hi Cristiano,

Can you attach the output from the 'show linkflap' command?

Regards,

Andy Middlehurst
Networks First Ltd

Service Desk: +44 (0)845 850 1177

Number One
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Redditch,
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Telephone: +44 (0)845 850 5577

Networks First Limited
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<http://www.networksfirst.com>






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-----Original Message-----
From: Cristiano Rodrigues [mailto:[EMAIL PROTECTED]
Sent: 21 October 2008 15:48
To: Enterasys Customer Mailing List
Subject: [enterasys] Linkflap C2 / E1

Does anyone have experience with the Linkflap function?

We currently have a problem that is difficult to identify source. There is a 
optical wireless link between a C2 Stack and an E1. The Link often fails due to 
atmospheric factors, and the end-to-end link goes unusable even after the link 
gets back up. By our experience, the link at first drops a few packets (doing a 
"PING -T x.x.x.x") then goes completely unusable, dropping every packet. The 
logging buffer doesn't record anything useful regarding the specific port. The 
firmware installed is 03.07.29.0000 on the E1 and 05.01.03.0003 on the C2.

Until now, the only way we have devised to get the link back up is by doing a 
manual reset to the link, either disconnecting the cable physically and 
plugging it back in or doing a "set port disable ge.x.x" and "set port enable 
ge.x.x".

If the Linkflap could solve the problem I would be off the hook. Anyone has 
experience on these kind of issues? Another option is maybe having a script 
executing the port disable/enable on its own. Does anyone know how to run 
commands on a switch automatically, or through "unmanned" telnet sessions? Any 
kind of software that could accept scripts and run them in a telnet session 
automatically in case the links goes "flapping" again...

Thanks everyone!


Cristiano Rodrigues
Técnico
Direcção de Estudos e Planeamento
[EMAIL PROTECTED]
-
Rua do Repouso, n10, 8000-302 Faro
T: +351 289 899 070
F: +351 289 899 079
W: http://www.aguasdoalgarve.pt
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