Greetings- 

I'm experiencing an odd situation. On a system running pfSense 2.1.3-RELEASE on 
i386 (6x Intel NICs, Intel G2030 CPU, 1GB RAM, etc), the use case lends the 
unit's LAN to be physically disconnected (think lab environment). If the 
interface is left down overnight, upon reconnecting the LAN interface (ethernet 
link up), I see proper functionality in the logs: 

Jun 24 14:12:44 pfSense php: rc.linkup: HOTPLUG: Configuring interface lan 
Jun 24 14:12:44 pfSense php: rc.linkup: DEVD Ethernet attached event for lan 
Jun 24 14:12:42 pfSense kernel: em1: link state changed to UP 
Jun 24 14:12:42 pfSense check_reload_status: Linkup starting em1 

The proper LAN IP is assigned to the interface em1, but traffic will not pass. 
This includes all traffic initiated from the pfSense host to another host on 
the LAN, or vice versa. For all intents and purposes, interface status, logs, 
link state, everything point to a properly working system, but again, traffic 
will not pass. 

The only way to solve this issue is to manually issue from console via CLI an 
'ifconfig em1 down; ifconfig em1 up' which resolves the issue immediately. Of 
course, a reboot also resolves this. 

So, does anyone have ideas or suggestions on how to resolve this? I initially 
expected some odd link state detection problem with the NICs (as in Realtek 
tradition), but that is not the case, given they are Intel NICs, and the logs 
indicate correct state. 

--Tim 
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