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Discussions Checking certain interfaces for disconnections ect

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Checking certain interfaces for disconnections ect

RyanHosiassohn over 6 years ago

Hey Guys,

Is there anyway to see when, why or if an interface got DC or started to drop packets ?

I keep getting notifications saying certain WAN ports are down then up but I cannot seem to find a reason or see in the logs ?

Also it sometimes seems to happen while we are working it just breaks the connection to the fibre then after 20 min its back up.

Thanks

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0 Badrobot over 6 years ago

I know this has probably been thought of but are you sure your ISP is not going down?

Or can you explain more on the WAN Interfaces?
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0 LuCar Toni over 6 years ago in reply to Badrobot

Try to find the proper Logfiles.

https://community.sophos.com/kb/en-us/132211

DGD und syslog.log maybe.
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0 RyanHosiassohn over 6 years ago in reply to Badrobot

Badrobot said:

I know this has probably been thought of but are you sure your ISP is not going down?

Or can you explain more on the WAN Interfaces?

Hi,

That's correct I have checked and they've tested the fiber line , Apparently everything is fine.

So the line will got "down" no traffic can go down that line for about 20 min , Also trying to see if there's a way to do a hardware diagnostics on the interface :).
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0 RyanHosiassohn over 6 years ago in reply to LuCar Toni

LuCar Toni said:

Try to find the proper Logfiles.

https://community.sophos.com/kb/en-us/132211

DGD und syslog.log maybe.

Thanks when it happens again Ill look int the log file seems it will be the

Network Network Service - Interface/IP/PPPOE networkd.log networkd
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