Imagine a life where you would be able to…
- Find all interfaces that have VRRP configured but no useful VRRP neighbor;
- Find all OSPF adjacencies that should be up but are not;
- Get an alert every time the default IP route is lost;
- Find all MTU mismatches in your network;
- List all VXLAN-to-VLAN mappings across your data center, and find if two different VLANs map into the same VXLAN VNI;
- Compare IP routes in your data center to those you had yesterday;
- Verify that IP routing tables on all spine switches contain the same prefixes;
- Do the same comparison before and after a software upgrade;
- Identify changes in IP routing tables or ARP tables that happened between yesterday evening and this morning;
… and be able to do all that in a multi-vendor environment without writing tons of Ansible playbooks or Python code.
Thanks to (see source)
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