Index: contrib/bsnmp/snmp_mibII/mibII.c
===================================================================
--- contrib/bsnmp/snmp_mibII/mibII.c
+++ contrib/bsnmp/snmp_mibII/mibII.c
@@ -472,6 +472,18 @@
 	}
 
 	/*
+	 * Virtual interfaces like gif(4), gre(4), enc(4) usually
+	 * have zero baudrate. Assume that they capable to work at
+	 * mibif_maxspeed rate.
+	 */
+	if (ifp->mib.ifmd_data.ifi_baudrate == 0) {
+		if (mibif_maxspeed > 20000000)
+			ifp->flags |= MIBIF_HIGHSPEED;
+		if (mibif_maxspeed > 650000000)
+			ifp->flags |= MIBIF_VERYHIGHSPEED;
+	}
+
+	/*
 	 * linkspecific MIB
 	 */
 	name[0] = CTL_NET;