diff -rau ppp-2.4.4.orig/pppd/ipcp.c ppp-2.4.4/pppd/ipcp.c
--- ppp-2.4.4.orig/pppd/ipcp.c	2005-08-26 01:59:34.000000000 +0200
+++ ppp-2.4.4/pppd/ipcp.c	2008-08-13 00:11:17.000000000 +0200
@@ -716,6 +716,7 @@
 #define LENCIVJ(neg, old)	(neg ? (old? CILEN_COMPRESS : CILEN_VJ) : 0)
 #define LENCIADDR(neg)		(neg ? CILEN_ADDR : 0)
 #define LENCIDNS(neg)		(neg ? (CILEN_ADDR) : 0)
+#define LENCIWINS(neg)          LENCIADDR(neg)
 
     /*
      * First see if we want to change our options to the old
@@ -737,7 +738,9 @@
 	    LENCIVJ(go->neg_vj, go->old_vj) +
 	    LENCIADDR(go->neg_addr) +
 	    LENCIDNS(go->req_dns1) +
-	    LENCIDNS(go->req_dns2)) ;
+	    LENCIDNS(go->req_dns2) +
+            LENCIWINS(go->winsaddr[0]) +
+            LENCIWINS(go->winsaddr[1])) ;
 }
 
 
@@ -810,6 +813,19 @@
 	} else \
 	    neg = 0; \
     }
+    
+#define ADDCIWINS(opt, addr)                  \
+    if (addr) { \
+       if (len >= CILEN_ADDR) { \
+           u_int32_t l; \
+           PUTCHAR(opt, ucp); \
+           PUTCHAR(CILEN_ADDR, ucp); \
+           l = ntohl(addr); \
+           PUTLONG(l, ucp); \
+           len -= CILEN_ADDR; \
+       } else \
+           addr = 0; \
+    }
 
     ADDCIADDRS(CI_ADDRS, !go->neg_addr && go->old_addrs, go->ouraddr,
 	       go->hisaddr);
@@ -823,6 +839,10 @@
 
     ADDCIDNS(CI_MS_DNS2, go->req_dns2, go->dnsaddr[1]);
 
+    ADDCIWINS(CI_MS_WINS1, go->winsaddr[0]);
+
+    ADDCIWINS(CI_MS_WINS2, go->winsaddr[1]);
+    
     *lenp -= len;
 }
 
@@ -1159,6 +1179,15 @@
 		try.neg_addr = 1;
 	    no.neg_addr = 1;
 	    break;
+        case CI_MS_WINS1:
+        case CI_MS_WINS2:
+            if (cilen != CILEN_ADDR)
+                goto bad;
+            GETLONG(l, p);
+            ciaddr1 = htonl(l);
+            if (ciaddr1)
+                try.winsaddr[citype == CI_MS_WINS2] = ciaddr1;
+            break;
 	}
 	p = next;
     }
@@ -1275,6 +1304,21 @@
 	try.neg = 0; \
     }
 
+#define REJCIWINS(opt, addr) \
+    if (addr && \
+       ((cilen = p[1]) == CILEN_ADDR) && \
+       len >= cilen && \
+       p[0] == opt) { \
+       u_int32_t l; \
+       len -= cilen; \
+       INCPTR(2, p); \
+       GETLONG(l, p); \
+       cilong = htonl(l); \
+       /* Check rejected value. */ \
+       if (cilong != addr) \
+           goto bad; \
+       try.winsaddr[opt == CI_MS_WINS2] = 0; \
+    }
 
     REJCIADDRS(CI_ADDRS, !go->neg_addr && go->old_addrs,
 	       go->ouraddr, go->hisaddr);
@@ -1288,6 +1332,10 @@
 
     REJCIDNS(CI_MS_DNS2, req_dns2, go->dnsaddr[1]);
 
+    REJCIWINS(CI_MS_WINS1, go->winsaddr[0]);
+
+    REJCIWINS(CI_MS_WINS2, go->winsaddr[1]);
+
     /*
      * If there are any remaining CIs, then this packet is bad.
      */