# OSPF ## [OSPF attribute Further information](https://www.forwardingflows.net/troubleshooting-ospf-neighbor-mismatch-effectively-junos/) - Unique router-id - Area ID - Area flags (Stub/NSSA flag) - Authentication type (MD5 (type 2), Simple (type 1) or None (type 0)) - Authentication password (The authentication secret) - Hello/Dead interval - L3 MTU (The MTU announced on OSPF DBD packets) - Compatible network type (p2p, broadcastetc... The network type must be consistent on the network segment. You’d have a broken graph if one OSPF node is expecting to - have a DR and other OSPF nodes aren’t.) - Network Mask (Since the network mask is coupled with the underlying graph, it has to match.) ## ospf ecmp - [OSPF equal cost path – RtoDto.net](https://rtodto.net/junos-ospf-equal-cost-path/) - このcode blockの配色見やすい