In Cisco SD-WAN want to understand how BFD & OSPF co-work together. I understand that BFD is used to monitor the underlay. If it find that the remote end point is not responding it brings down the bfd session. Want to understand how this works along
Oct 26 12:11:26: BFD-DEBUG Event: V1 FSM ld:1 event:Session create state:DOWN (0)Oct 26 12:11:26: BFD-DEBUG Packet: Tx IP:x.x.x.x ld/rd:1/0 diag:0 Down cnt:1 (0)Oct 26 12:11:26: BFD-DEBUG Packet: Rx IP:x.x.x.x ld/rd:1/0 diag:0 Down cnt:1 ttl:254 (0)...
Forwarding plane reset(0), Path down(0), Concat path down(0), Rev Concat path down(0) Last ACL added time: 58781 usecs after Thu Apr 11 22:18:19 2024 Last ACL response time: 81830 usecs after Thu Apr 11 22:18:19 2024 Last session install time: 58285 usecs after Thu Apr 1...
Prevents the establishment of BGP neighbor session until the BFD session is also up and running. This behaviour is in compliance with Cisco's propriety definition of BFD. strict-mode-negotiate Holds down the neighbor session until BFD session is up. This ...
Cancel —Remains in the configuration session, without committing the configuration changes. Configuring the Minimum Thresholds for Maintaining an Active Bundle The bundle manager uses two configurable minimum thresholds to determine whether a bundle can be brought up or remain up, or is ...
D. Dal momento cheCisco NX-OS può distribuire il BFD ai moduli compatibili che supportano BFD, un pacchetto ARP avrebbe un impatto sulle sessioni BFD sulla piattaforma Nexus 7000? R.In generale, una tempesta di pacchetti ARP può avere un impatto negativo sulla stab...
Path Down:这表示两个BFD邻居之间的转发路径不再运行,可能是因为网络拥塞、硬件故障或其他问题。 2024 Apr 11 22:07:07 SW2 %BFD-5-SESSION_STATE_DOWN: BFD session 1090519062 to neighbor 172.16.1.1 on interface Vlan20 has gone down. Reason: Path Down. ...