[Users] [SOLVED] HN eth link down in bridged environment

Matei Conovici mconovici at gmail.com
Thu Sep 23 14:37:42 EDT 2010

It turns out this was happening because the ISP had port security
enabled on our switch and they were shutting down the port when we
exceeded 5 MAC addresses. Been banging our heads for 2 days on this
one :)


> [  825.940139] e1000e: eth0 NIC Link is Down
> [  825.960899] vzbr0: port 1(eth0) entering disabled state
> then, 300 seconds later (it is always 300s),
> [ 1127.620861] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow
> Control: None

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