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Old 01-27-2013, 09:51 PM
psy-q psy-q is offline
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Default Intermittent VLAN access

I'm having very intermittent network access over a switch on my network.

RT-N66U Tomato -> Cisco SG300-10 -> Netgear GS108E

I've got VLAN 2,3 & 5 trunked from the SG300 to the GS108E. It works when I swap ports on the GS108E for a minute or so, then the connection fails and the only client (my laptop) starts spamming the gateway with ARP requests(unsuccessfully). Nothing seems to be getting through and I can't ping anything in or out of my LAN.
The weird thing is it DOES work fine for a few minutes/seconds. Also, if I disconnect the GS108E and plug the laptop directly into the switch on the same port it works. I can switch the VLAN on the NIC and get full access to every subnet.

I've messed with STP, smartport(disabling), swapped ports on the SG300 and used a couple different NICs for testing(built-in and USB).

Stumped... help!

Last edited by psy-q; 01-27-2013 at 09:54 PM.
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