Happened again, we tried, always worth a shot.

Today we swapped out our cables, checked new cables with fluke all tested clean (old ones tested clean, normis is adamant it's cable or switch, we'll take his advice and swap both). It was happening once at least every 24 hours, so far it's been 12 hours no flap.

I have the same issue RB450G, I'm using 3 as pppoe concentrators, 2 have port flapping on ports 2-4, more frequently 3 and 4, but occasionally on 2 (all happen at the same time, never on 1 or 5 on either of them). 450 is directly plugged in to battery backup no poe power, longest cable length 3' all...

This post by KCCoyote was his resolution to this issue, I've used it and it works, if you have any trouble let me know I struggled with this one for a week or so reading through the same posts, once the light goes on its easy, as long as your provider routes your public addresses to you. http://foru...

Was able to resolve my provider fat fingered a 0 in my routed sub.

I followed the WIKI for the OSPF and PPPOE tutorial that KCCOYOTE came up with, the issue I'm having is my routed ip's (/28) from my provider don't work without a generic masquerade rule in place. I'm using an RB1100, and have /30 provided from our carrier on the 1100, we now have /28 to use for som...