diff --git a/sys/dev/igc/if_igc.c b/sys/dev/igc/if_igc.c
--- a/sys/dev/igc/if_igc.c
+++ b/sys/dev/igc/if_igc.c
@@ -271,7 +271,7 @@
 /*
 ** Tuneable Interrupt rate
 */
-static int igc_max_interrupt_rate = 8000;
+static int igc_max_interrupt_rate = 20000;
 SYSCTL_INT(_hw_igc, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN,
     &igc_max_interrupt_rate, 0, "Maximum interrupts per second");