diff --git a/common/cmd_net.c b/common/cmd_net.c
index af691a474f652fa862b28b08802e5f57c2bdf0a8..c053d7b97a7c169962496a95a9b753bf2d36aeac 100644
--- a/common/cmd_net.c
+++ b/common/cmd_net.c
@@ -154,8 +154,10 @@ static int
 netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char *argv[])
 {
 	char *s;
+	char *end;
 	int   rcode = 0;
 	int   size;
+	ulong addr;
 
 	/* pre-set load_addr */
 	if ((s = getenv("loadaddr")) != NULL) {
@@ -166,15 +168,17 @@ netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char *argv[])
 	case 1:
 		break;
 
-	case 2:	/* only one arg - accept two forms:
-		 * just load address, or just boot file name.
-		 * The latter form must be written "filename" here.
+	case 2:	/*
+		 * Only one arg - accept two forms:
+		 * Just load address, or just boot file name. The latter
+		 * form must be written in a format which can not be
+		 * mis-interpreted as a valid number.
 		 */
-		if (argv[1][0] == '"') {	/* just boot filename */
-			copy_filename (BootFile, argv[1], sizeof(BootFile));
-		} else {			/* load address	*/
-			load_addr = simple_strtoul(argv[1], NULL, 16);
-		}
+		addr = simple_strtoul(argv[1], &end, 16);
+		if (end == (argv[1] + strlen(argv[1])))
+			load_addr = addr;
+		else
+			copy_filename(BootFile, argv[1], sizeof(BootFile));
 		break;
 
 	case 3:	load_addr = simple_strtoul(argv[1], NULL, 16);
diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c
index d7da0819d10bd07f2e5913618393888de03193e2..fbc9a6dd05b4a3178b80168cf316c173f866ee85 100644
--- a/drivers/net/tsec.c
+++ b/drivers/net/tsec.c
@@ -1196,6 +1196,9 @@ struct phy_info phy_info_M88E1121R = {
 			   {MIIM_88E1121_PHY_LED_CTRL, miim_read,
 			    &mii_88E1121_set_led},
 			   {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
+			   /* Disable IRQs and de-assert interrupt */
+			   {MIIM_88E1121_PHY_IRQ_EN, 0, NULL},
+			   {MIIM_88E1121_PHY_IRQ_STATUS, miim_read, NULL},
 			   {miim_end,}
 			   },
 	(struct phy_cmd[]){	/* startup */
diff --git a/include/net.h b/include/net.h
index a5a256bcd083b82780ea52570d09b893a2af74f2..d2d394f0da80d0788e92dce97f740c9fe0679443 100644
--- a/include/net.h
+++ b/include/net.h
@@ -200,6 +200,12 @@ typedef struct {
 	ushort		udp_xsum;	/* Checksum			*/
 } IP_t;
 
+#define IP_OFFS		0x1fff /* ip offset *= 8 */
+#define IP_FLAGS	0xe000 /* first 3 bits */
+#define IP_FLAGS_RES	0x8000 /* reserved */
+#define IP_FLAGS_DFRAG	0x4000 /* don't fragments */
+#define IP_FLAGS_MFRAG	0x2000 /* more fragments */
+
 #define IP_HDR_SIZE_NO_UDP	(sizeof (IP_t) - 8)
 #define IP_HDR_SIZE		(sizeof (IP_t))
 
diff --git a/include/tsec.h b/include/tsec.h
index d2951f6d33bf396d7a2850267fbb65e0ad73ebad..7b52e06ab003acd935c8062180583337afbd13b6 100644
--- a/include/tsec.h
+++ b/include/tsec.h
@@ -226,6 +226,10 @@
 #define MIIM_88E1121_PHY_LED_PAGE	3
 #define MIIM_88E1121_PHY_LED_DEF	0x0030
 
+/* 88E1121 PHY IRQ Enable/Status Register */
+#define MIIM_88E1121_PHY_IRQ_EN		18
+#define MIIM_88E1121_PHY_IRQ_STATUS	19
+
 #define MIIM_88E1121_PHY_PAGE		22
 
 /* 88E1145 Extended PHY Specific Control Register */
diff --git a/net/net.c b/net/net.c
index e9754e47b8fb6db54642673c3342fa4f28878879..e6547f9eddc860838e245483277c8d12b59ef87a 100644
--- a/net/net.c
+++ b/net/net.c
@@ -738,7 +738,7 @@ int PingSend(void)
 	ip->ip_tos   = 0;
 	ip->ip_len   = htons(IP_HDR_SIZE_NO_UDP + 8);
 	ip->ip_id    = htons(NetIPID++);
-	ip->ip_off   = htons(0x4000);	/* No fragmentation */
+	ip->ip_off   = htons(IP_FLAGS_DFRAG);	/* Don't fragment */
 	ip->ip_ttl   = 255;
 	ip->ip_p     = 0x01;		/* ICMP */
 	ip->ip_sum   = 0;
@@ -1402,7 +1402,8 @@ NetReceive(volatile uchar * inpkt, int len)
 		if ((ip->ip_hl_v & 0xf0) != 0x40) {
 			return;
 		}
-		if (ip->ip_off & htons(0x1fff)) { /* Can't deal w/ fragments */
+		/* Can't deal with fragments */
+		if (ip->ip_off & htons(IP_OFFS | IP_FLAGS_MFRAG)) {
 			return;
 		}
 		/* can't deal with headers > 20 bytes */
@@ -1701,7 +1702,7 @@ NetSetIP(volatile uchar * xip, IPaddr_t dest, int dport, int sport, int len)
 	ip->ip_tos   = 0;
 	ip->ip_len   = htons(IP_HDR_SIZE + len);
 	ip->ip_id    = htons(NetIPID++);
-	ip->ip_off   = htons(0x4000);	/* No fragmentation */
+	ip->ip_off   = htons(IP_FLAGS_DFRAG);	/* Don't fragment */
 	ip->ip_ttl   = 255;
 	ip->ip_p     = 17;		/* UDP */
 	ip->ip_sum   = 0;
diff --git a/net/tftp.c b/net/tftp.c
index ce6ea3d9f5ae126678f7e61192ef83aa13a74bb2..3dac3d8531b0580156fc6ec938f8c4eae9257e1f 100644
--- a/net/tftp.c
+++ b/net/tftp.c
@@ -499,9 +499,8 @@ TftpStart (void)
 			strncpy(tftp_filename, BootFile, MAX_LEN);
 			tftp_filename[MAX_LEN-1] = 0;
 		} else {
-			*p++ = '\0';
 			TftpServerIP = string_to_ip (BootFile);
-			strncpy(tftp_filename, p, MAX_LEN);
+			strncpy(tftp_filename, p + 1, MAX_LEN);
 			tftp_filename[MAX_LEN-1] = 0;
 		}
 	}