Take a chance to analyze your OSPF/ISIS topology offline. Save LSDB from router's output and upload it as TXT file, or add router's IP address, and the Topolograph scraps it for yourself. Commands for supported vendors are here.
Choose one out of 1 saved graphs
backuped and non-backuped networks:
Set new edge cost in `New Cost` column
Nodes which have unsymmetric traffic paths
Compare state of your network