What in this configuration is causing to different routes for a subnet
We have 2 subnetwork in our building
192.168.134.0 /23 and 192.168.133.0/24
The 134/135 has their "internet" traffice routed through a proxy server at another location...but the 133 network has "direct" access. Yesterday the 133 network lost internet access for a short time. Im trying to figure out what the difference is.
Re: What in this configuration is causing to different routes fo
from the point of view of your router there is no difference
are both advertised on the EBGP session to the PE thanks to the OSPF redistribution into BGP.
Somewhere the net 192.168.133.0/24 is NATTED to access internet and the NAT device needs to have a return route to send back traffic.
This device that is different from the devices that processes net 192.168.134.0/23 could experience some form of failure on reaching the internet and so only net 192.168.133.0/24 was impacted or the return route was missing.
A detailed network diagram would be needed here but something can happened far from you and without any log on your router.
Also net 192.168.133.0/24 reaches the internet by going to where the prefix 0.0.0.0 is originated in the provider network inside your MPLS VPN (some other PE router for example that could be a C6500 with a FWSM module just to say)
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