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--- nndocs:infiniband [2025/01/21 14:38] – [Networking] correct a thing naptastic
+++ nndocs:infiniband [2025/10/26 21:11] (current) – [Networking] VXLAN over Infiniband MTU naptastic
@@ Line 218: / Line 218: @@
     export vxlan=64
-    export vxlan_name=ibnet0 # this doesn't get used by anything or stored anywhere
     export local=172.20.64.9
     export group=225.172.20.64
@@ Line 230: / Line 229: @@
 //Et viola//, Ethernet on top of InfiniBand.
-If/when I get hardware capable of VXLAN offload, the dstport might have to change.
+Note: The Infiniband MTU is 4k; IPoIB takes 4 bytes and VXLAN takes 50, leaving a max MTU of 4042.
 ====Multimedia====
 Yeah, someday I want to throw video frames around. There's an RFC or ISO standard for that, IIRC. There's also lgproxy, which is RDMA-aware.