Category
VMware NSX network virtualisation: Geneve overlay, distributed firewall, Tier-0/Tier-1 routing, Edge nodes and NSX Manager troubleshooting.
5 articles
Install Failed on one host or the whole cluster tells you different things. Read esxupdate.log, clear the real blocker and recover a half-installed transport node without a rebuild.
12 Sep 20268 min
BGP stuck in Active, or Established with no prefixes? Two very different problems. A structured walk from Tier-1 advertisement through Tier-0 redistribution to the physical router.
12 Sep 20268 min
A degraded NSX Manager cluster leaves the data plane running but configuration at risk. Work through cluster status, disk, time, certificates and a clean node rejoin.
12 Sep 20268 min
A DFW rule that looks correct in the UI but does not match in the data path. Use vsipioctl, Traceflow and filter captures to find the rule that really handled the packet.
12 Sep 20269 min
Overlay traffic between hosts stops but NSX looks green. Here is how to read tunnel state, prove TEP reachability at 1600 bytes and find the MTU or BFD fault behind it.
12 Sep 202610 min
