Good morning man! Here in Spain you have a friend that knows your feelings! 
Come on! Today is a new day! Hahaha! 



Martín Ruiz
Director técnico
902 909 858 - 669379521
www.ibersystems.es

El 03/09/2012, a las 00:55, Mike Hammett <butch-mikro...@ics-il.net> escribió:

> Hopefully that subject made it past your SPAM filters, but that's how I feel.
> 
> I did so much in rage, chances are, I caused my own problems throughout the 
> day.
> 
> I had my main switch fail this morning. It had VLANs mapped for all kinds of 
> stuff (about 15 - 20 VLANs). Of course no one open had a 48 port managed GigE 
> switch. I set out to reconfigure existing stuff to work.
> 
> The RB250GS is an absolute pain in the ass. I don't know why I even have 
> them. They couldn't handle a complex VLAN setup to save their lives.
> 
> I got everything online after several hours through my RB1200, which had to 
> be reconfigured in many areas so that everything would work. I split the 
> important VLANs off to their own interfaces to reduce the configuration load 
> on my RB250GS. I'm doing traceroutes and pings to make sure all services and 
> devices are up and running.
> 
> I notice something odd in my pings out to the net. Traffic goes through, but 
> pings have a redirect error. I had to figure out why. I fixed it by breaking 
> a bridge that I had on my 1200, which broke the Internet service altogether. 
> I ended up fixing it by changing some NAT rules. Well, for the internal 
> traffic. Servers on public IPs never missed a beat once I got rid of that 
> redirect error.
> 
> I had one hell of a time coming to this conclusion because traceroutes and 
> pings were not consistent. I have no default route on my internal, private IP 
> range, only on my public IPs. Traceroutes out to an off-net public IP would 
> head out my router through my internal network and end up failing.
> 
> If there is no default route pointing to a given IP address, why did traffic 
> go there? I was under the assumption that if there were no default route in 
> that OSPF area, traffic would just die.
> 
> Once I figured out that my NAT rules were to blame (they weren't matching 
> correctly after the changed interfaces), I solved that problem. However, 
> traceroutes to two different off-net public IPs would take two different 
> routes. One would go the correct direction, while the other would continue to 
> go down the private IP path. Of course most of the day I had been testing to 
> the one that now wasn't working.
> 
> How?
> 
> God only knows how many times in my testing could the service possibly been 
> working just fine, but my computer was decided to go down the old path still.
> 
> I may have missed some things, but I'm tired of typing it all out, so I'm 
> done for now. :-p
> 
> 
> 
> -----
> Mike Hammett
> Intelligent Computing Solutions
> http://www.ics-il.com
> 
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