- This issue could affect any versions of NSX-T.
- BGP IPv6 sessions are failing to get established on the NSX-T Edge Nodes.
- You have recently performed a fail over from an active NSX-T Edge Node to the standby NSX-T Edge Node.
- You may have noticed network disruptions between the Tier-0 Gateway and the physical network fabric.
- In the NSX-T Edge Node log file
/var/log/syslog.log
you may observe MAC address to IP address changes:
NsxEdge NSX 7444 - [nsx@6876 comp="nsx-edge" subcomp="nsd" tid="7444" level="INFO"] Successfully added arp for ####:####:####:####::# via 00:50:56:##:##:##, dev: br-######, type: 1
NsxEdge NSX 7444 - [nsx@6876 comp="nsx-edge" subcomp="nsd" tid="7444" level="INFO"] Successfully added arp for ####:####:####:####::# via 00:50:56:##:##:##, dev: br-######, type: 1
- In the NSX Manager support bundle dump file
/controller/adaptor-ufo/adaptor_ufo_dump
you may see that Trust On First Use (TOFU) is enabled:
ip_discovery_switching_upm_profile {
managed_resource {
}
dhcp_snooping_enabled: true
arp_snooping_enabled: true
vm_tools_enabled: true
arp_bindings_limit: 1
dhcp_v6_snooping_enabled: true
nd_snooping_enabled: true
nd_bindings_limit: 3
vm_tools_v6_enabled: true
trust_on_first_use_enabled: true <=================
arp_nd_binding_timeout: 20
l2_mp_profile_id: "########-####-####-####-############"
profile_type: PROFILE_TYPE_IP_DISCOVERY_SWITCHING_UPM_PROFILE
}
Note: The preceding log excerpts are only examples. Date, time, and environmental variables may vary depending on your environment.