[GRLUG] Slightly OT, .. Troubleshooting a network?

[Michael Mol]

On Mon, Sep 20, 2010 at 11:15 AM, Don wood <donlumber at comcast.net> wrote:
>  On 9/20/2010 11:13 AM, Adam Tauno Williams wrote:
>>
>> On Sat, 2010-09-18 at 23:58 -0500, L. V. Lammert wrote:
>>>
>>> Have a problem with a small network (six machines, one server&  router) -
>>> some of the Windoze machines are taking *minutes* tologin on the server,
>>> and I suspect that some of the network gear/cabling may be having
>>> problems.
>>> Other than pawing through packet dumps or ramdonly running cables to
>>> byass what's in the walls (already swapped the switch), is there any way
>>> to collect 'statistics'? Collisions? Packet re-sends? Conversation
>>> failures?
>>
>> If you are using a managed switch it knows all [or most] these things.
>> Otherwise, no.
>>
>>
> Actually if it's a managed switch you could mirror all port traffic to one
> port and analyze it with wireshark.

Yes and no. I think Adam was mentioning problems on IRC a few weeks
ago where it was unclear whether or not the managed switch was
mirroring all the packets he wanted, given a VLAN setting.

-- 
:wq

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