In our network we are using BGP MPLS from ISP service provider.
one of our site is giving error through monitoring tool.
IP No Route: Upward Threshold Crossing, value = 100.0 %, threshold = 40 %
I have checked the routing table on both sites router,router in our head office and at remote site. The routes are present in routing table.
Their is no changes made in configuration too.
Since 2 days we are getting this error .
How to identify where the problem is and what command can be used to troubleshoot this problem.
Your help is highy appreciated.