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--- pfsense:troubleshooting:mbuf_full [2020/11/29 11:58] – created peter
+++ pfsense:troubleshooting:mbuf_full [2021/01/06 14:00] (current) – peter
@@ Line 1: / Line 1: @@
 ====== PFSense - Troubleshooting - mbuf full ======
+An mbuf is a basic unit of memory management in the kernel IPC subsystem.  Network packets and socket buffers are stored in mbufs.
 Try increase **nmbclusters**.
@@ Line 19: / Line 21: @@
 Reboot to make this change stick.
+The actual value for **nmbclusters** depends on the the number of network interfaces, CPU cores, and few other factors - a bit of experimenting is required to find the optimal value for each system.
 </WRAP>