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тАО03-19-2009 04:26 AM
тАО03-19-2009 04:26 AM
I've testeded disabling and enabling the link between two totally different 5412zl. The links are 10GbE-LR type. When I disabled it in one end, the other one still gave link and keept the vlan 'enabled'. It happened on all the 10GbE links I tried it on.
I tried enabling UDLD, but the link is still up. It just disabled the vlan in that port showing this entry log:
I 03/19/09 11:31:39 00832 udld: Link state on port 'B1' is changed to 'failure'
state.
I 03/19/09 11:31:39 00435 ports: port B1 is Blocked by UDLD
I 03/19/09 11:31:39 00002 vlan: DEFAULT_VLAN virtual LAN disabled
Is this 'keep the "up" status of the link even if it's not enabled at the other end' normal?
Thank you very much in advance
Aaron
Solved! Go to Solution.
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тАО03-19-2009 11:55 PM
тАО03-19-2009 11:55 PM
Re: Port disabled at one end shows link status up at the other
you will see the link-led is on.
on physical level the link is up (connected, power aplied) allthough nobody is listening/talking (port = shutdown).
so at the other switch (port enabled) also the link is up, but no data will be coming in.
you may see difference in "link-state" (up)and "protcol-state" (down).
On an active port both states will be up.
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тАО03-20-2009 12:56 AM
тАО03-20-2009 12:56 AM
Re: Port disabled at one end shows link status up at the other
Anyway, I just wanted to know if it's a normal behaviour or not. So if it is, at least we know what to expect in the log when we see the link down.
Thank you again ;)
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тАО03-20-2009 07:06 PM
тАО03-20-2009 07:06 PM
Solution- Mark as New
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тАО03-23-2009 03:22 AM
тАО03-23-2009 03:22 AM
Re: Port disabled at one end shows link status up at the other
Take care,
Aar├Г┬│n
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тАО03-23-2009 03:23 AM
тАО03-23-2009 03:23 AM