diff --git a/src/dpimp.c b/src/dpimp.c
index cb43476..1a4e4a0 100644
--- a/src/dpimp.c
+++ b/src/dpimp.c
@@ -701,6 +701,7 @@ net_init(struct dpimp_s *dpimp)
     struct osnpf npf;
 
     npf.osnpf_ifnam = dpimp->dpimp_ifnam;
+    npf.osnpf_ifmeth = dpimp->dpimp_ifmeth;
     npf.osnpf_dedic = FALSE;			/* Force filtering always! */
     npf.osnpf_rdtmo = dpimp->dpimp_rdtmo;
     npf.osnpf_backlog = dpimp->dpimp_backlog;
diff --git a/src/dpimp.h b/src/dpimp.h
index 33db2e3..d4d6073 100644
--- a/src/dpimp.h
+++ b/src/dpimp.h
@@ -93,7 +93,7 @@
 
 /* Version of DPIMP-specific shared memory structure */
 
-#define DPIMP_VERSION ((1<<10) | (1<<5) | (2))	/* 1.1.2 */
+#define DPIMP_VERSION ((1<<10) | (1<<5) | (3))	/* 1.1.3 */
 
 /* DPIMP-specific stuff */
 			/* C = controlling parent sets, D = Device proc sets */
@@ -103,6 +103,7 @@ struct dpimp_s {
     int dpimp_ver;		/* C  Version of shared struct */
     int dpimp_attrs;		/* C  Attribute flags */
     char dpimp_ifnam[16];	/* CD Interface name if any */
+    char dpimp_ifmeth[16];	/* C  Interface access method */
     unsigned char dpimp_eth[6];	/* CD Ethernet address of interface */
     unsigned char dpimp_ip[4];	/* C 10's IP address to filter on, if shared */
     unsigned char dpimp_gw[4];	/* C Default GW address for IMP to use */
diff --git a/src/dpni20.c b/src/dpni20.c
index df0ba72..a49e96d 100644
--- a/src/dpni20.c
+++ b/src/dpni20.c
@@ -500,6 +500,7 @@ void net_init(struct dpni20_s *dpni)
     struct osnpf npf;
 
     npf.osnpf_ifnam = dpni->dpni_ifnam;
+    npf.osnpf_ifmeth = dpni->dpni_ifmeth;
     npf.osnpf_dedic = dpni->dpni_dedic;
     npf.osnpf_rdtmo = dpni->dpni_rdtmo;
     npf.osnpf_backlog = dpni->dpni_backlog;
diff --git a/src/dpni20.h b/src/dpni20.h
index 433f7cb..8950aeb 100644
--- a/src/dpni20.h
+++ b/src/dpni20.h
@@ -38,7 +38,7 @@
 
 /* Version of DPNI20-specific shared memory structure */
 
-#define DPNI20_VERSION DPC_VERSION(1,1,1)	/* 1.1.1 */
+#define DPNI20_VERSION DPC_VERSION(1,1,2)	/* 1.1.2 */
 
 
 /* DPNI20-specific stuff */
@@ -50,6 +50,7 @@ struct dpni20_s {
 # define DPNI20F_LSAP	0x0100	/*	Set if LSAP value specified */
     int dpni_lsap;		/* C  Dest/Source LSAP value if needed */
     char dpni_ifnam[16];	/* CD Interface name if any */
+    char dpni_ifmeth[16];	/* C  Interface access method */
     unsigned char dpni_eth[6];	/* CD Ethernet address of interface */
     unsigned char dpni_ip[4];	/* C 10's IP address to filter on, if shared */
     unsigned char dpni_tun[4];	/* CD host's IP address on tunnel */
diff --git a/src/dvlhdh.c b/src/dvlhdh.c
index 8ca17a9..bd9c4b9 100644
--- a/src/dvlhdh.c
+++ b/src/dvlhdh.c
@@ -97,6 +97,7 @@ struct lhdh {
 
     /* Misc config info not set elsewhere */
     char *lh_ifnam;	/* Native platform's interface name */
+    char *lh_ifmeth;	/* Access method to the native interface */
     int lh_dedic;	/* TRUE if interface dedicated (else shared) */
     int lh_doarp;	/* TRUE to do ARP hackery (if shared) */
     int lh_backlog;	/* Max # input msgs to queue up in kernel */
@@ -175,6 +176,7 @@ static int  imp_outxfer(struct lhdh *lh);
     prmdef(LHDHP_TUN,"tunaddr"),  /* IP address of local side of tunnel */\
     prmdef(LHDHP_EN, "enaddr"),   /* Ethernet address to use (override) */\
     prmdef(LHDHP_IFC,"ifc"),      /* Ethernet interface name */\
+    prmdef(LHDHP_IFM,"ifmeth"),   /* Access method to Ethernet interface */\
     prmdef(LHDHP_BKL,"backlog"),/* Max bklog for rcvd pkts (else sys deflt) */\
     prmdef(LHDHP_DED,"dedic"),    /* TRUE= Ifc dedicated (else shared) */\
     prmdef(LHDHP_ARP,"doarp"),    /* TRUE= if shared, do ARP hackery */\
@@ -222,6 +224,7 @@ lhdh_conf(FILE *f, char *s, struct lhdh *lh)
      */
     DVDEBUG(lh) = FALSE;
     lh->lh_ifnam = NULL;
+    lh->lh_ifmeth = NULL;
     lh->lh_backlog = 0;
     lh->lh_dedic = FALSE;
     lh->lh_doarp = TRUE;
@@ -323,6 +326,12 @@ lhdh_conf(FILE *f, char *s, struct lhdh *lh)
 	    lh->lh_ifnam = s_dup(prm.prm_val);
 	    continue;
 
+	case LHDHP_IFM:		/* Parse as simple string */
+	    if (!prm.prm_val)
+		break;
+	    lh->lh_ifmeth = s_dup(prm.prm_val);
+	    continue;
+
 	case LHDHP_BKL:		/* Parse as decimal number */
 	    if (!prm.prm_val || !s_todnum(prm.prm_val, &lval))
 		break;
@@ -1062,6 +1071,10 @@ imp_init(register struct lhdh *lh, FILE *of)
 	strncpy(dpc->dpimp_ifnam, lh->lh_ifnam, sizeof(dpc->dpimp_ifnam)-1);
     else
 	dpc->dpimp_ifnam[0] = '\0';	/* No specific interface */
+    if (lh->lh_ifmeth)			/* Pass on interface method if any */
+	strncpy(dpc->dpimp_ifmeth, lh->lh_ifmeth, sizeof(dpc->dpimp_ifmeth)-1);
+    else
+	dpc->dpimp_ifnam[0] = '\0';	/* No specific interface */
     memcpy((char *)dpc->dpimp_ip,	/* Set our IP address for filter */
 		lh->lh_ipadr, 4);
     memcpy((char *)dpc->dpimp_gw,	/* Set our GW address for IMP */
diff --git a/src/dvni20.c b/src/dvni20.c
index 515867e..d5a4d66 100644
--- a/src/dvni20.c
+++ b/src/dvni20.c
@@ -149,6 +149,7 @@ struct ni20 {
 
     /* Misc config info not set elsewhere */
     char *ni_ifnam;	/* Native platform's interface name */
+    char *ni_ifmeth;	/* Native platform's interface access method */
     int ni_dedic;	/* TRUE if interface dedicated (else shared) */
     int ni_decnet;	/* TRUE to filter DECNET packets (if shared) */
     int ni_doarp;	/* TRUE to do ARP hackery (if shared) */
@@ -292,6 +293,7 @@ static uint32 ni_ecpdigest(unsigned char *ucp, int len);
     prmdef(NIP_DBG,"debug"),    /* Initial debug flag */\
     prmdef(NIP_EN, "enaddr"),   /* Ethernet address to use (override) */\
     prmdef(NIP_IFC,"ifc"),      /* Ethernet interface name */\
+    prmdef(NIP_IFM,"ifmeth"),   /* Ethernet interface access method */\
     prmdef(NIP_BKL,"backlog"),/* Max bklog for rcvd pkts (else sys default) */\
     prmdef(NIP_DED,"dedic"),    /* TRUE= Ifc dedicated (else shared) */\
     prmdef(NIP_IP, "ipaddr"),   /* IP address of KLH10, if shared */\
@@ -343,6 +345,7 @@ ni20_conf(FILE *f, char *s, struct ni20 *ni)
     /* First set defaults for all configurable parameters */
     DVDEBUG(ni) = FALSE;
     ni->ni_ifnam = NULL;
+    ni->ni_ifmeth = NULL;
     ni->ni_backlog = 0;
     ni->ni_decnet = FALSE;
     ni->ni_dedic = FALSE;
@@ -413,6 +416,12 @@ ni20_conf(FILE *f, char *s, struct ni20 *ni)
 	    ni->ni_ifnam = s_dup(prm.prm_val);
 	    continue;
 
+	case NIP_IFM:		/* Parse as simple string */
+	    if (!prm.prm_val)
+		break;
+	    ni->ni_ifmeth = s_dup(prm.prm_val);
+	    continue;
+
 	case NIP_BKL:		/* Parse as decimal number */
 	    if (!prm.prm_val || !s_todnum(prm.prm_val, &lval))
 		break;
@@ -718,6 +727,10 @@ ni20_init(struct device *d,
 	strncpy(dpc->dpni_ifnam, ni->ni_ifnam, sizeof(dpc->dpni_ifnam)-1);
     else
 	dpc->dpni_ifnam[0] = '\0';	/* No specific interface */
+    if (ni->ni_ifmeth)			/* Pass on interface access method */
+	strncpy(dpc->dpni_ifmeth, ni->ni_ifmeth, sizeof(dpc->dpni_ifmeth)-1);
+    else
+	dpc->dpni_ifmeth[0] = '\0';	/* No specific access method */
     memcpy((char *)dpc->dpni_ip,	/* Set our IP address for filter */
 		ni->ni_ipadr, 4);
     memcpy((char *)dpc->dpni_tun,	/* Set IP address for tunnel */
diff --git a/src/osdnet.h b/src/osdnet.h
index e588786..75b31c4 100644
--- a/src/osdnet.h
+++ b/src/osdnet.h
@@ -429,6 +429,7 @@ int osn_arp_look(struct in_addr *ipa, unsigned char *eap);
 
 struct osnpf {	/* Arg struct for common initialization params */
 	char *osnpf_ifnam;	/* Interface name */
+	char *osnpf_ifmeth;	/* Which connection method to use (pcap, tun, tap, etc */
 	int osnpf_dedic;	/* TRUE if dedicated ifc, else shared */
 	int osnpf_rdtmo;	/* Read timeout, if any */
 	int osnpf_backlog;	/* Allow # backlogged packets, if any */