diff --git a/sys/src/cmd/ip/dhcpd/dat.h b/sys/src/cmd/ip/dhcpd/dat.h
index d8c96a886..f2e64c729 100644
--- a/sys/src/cmd/ip/dhcpd/dat.h
+++ b/sys/src/cmd/ip/dhcpd/dat.h
@@ -42,6 +42,7 @@ struct Info
 	uchar	gwip[NDB_IPlen];	/* gateway ip address */
 	uchar	fsip[NDB_IPlen];	/* file system ip address */
 	uchar	auip[NDB_IPlen];	/* authentication server ip address */
+	uchar   rootserverip[NDB_IPlen];  /* ip addr of root nfs server  */
 	char	rootpath[Maxstr];	/* rootfs for diskless nfs clients */
 	char	dhcpgroup[Maxstr];
 	char	vendor[Maxstr];		/* vendor info */
diff --git a/sys/src/cmd/ip/dhcpd/ndb.c b/sys/src/cmd/ip/dhcpd/ndb.c
index d750248c2..0aea361cf 100644
--- a/sys/src/cmd/ip/dhcpd/ndb.c
+++ b/sys/src/cmd/ip/dhcpd/ndb.c
@@ -116,10 +116,11 @@ lookupip(uchar *ipaddr, char *hwattr, char *hwval, Info *iip, int gate)
 		*p++ = "@tftp2";
 		*p++ = "rootpath";
 		*p++ = "dhcp";
-		*p++ = "vendorclass";
+		*p++ = "vendor";
 		*p++ = "dom";
 		*p++ = "@fs";
 		*p++ = "@auth";
+		*p++ = "@rootserver";
 	}
 	if(hwattr != nil)
 		*p++ = hwattr;
@@ -153,6 +154,9 @@ lookupip(uchar *ipaddr, char *hwattr, char *hwval, Info *iip, int gate)
 		if(strcmp(nt->attr, "ipgw") == 0)
 			setipaddr(iip->gwip, nt->val);
 		else
+		if(strcmp(nt->attr, "rootserver") == 0)
+			setipaddr(iip->rootserverip, nt->val);
+		else
 		if(strcmp(nt->attr, "dhcp") == 0){
 			if(iip->dhcpgroup[0] == 0)
 				strncpy(iip->dhcpgroup, nt->val, sizeof(iip->dhcpgroup)-1);