James Cameron wrote:
>> So it remains to patch pppd to accept the ms-wins settings then?
>
> Give it a try, tell us what you find.

It works! I patched pppd to accept the WINS settings from the other side:

Nov 20 23:33:17 melech pppd[25464]: Connect: ppp0 <--> /dev/3gmodem
Nov 20 23:33:18 melech pppd[25464]: sent [LCP ConfReq id=0x1 <asyncmap
0x0> <magic 0x394ac5b7> <pcomp> <accomp>]
Nov 20 23:33:18 melech pppd[25464]: rcvd [LCP ConfReq id=0x0 <asyncmap
0x0> <auth chap MD5> <magic 0x50a91da> <pcomp> <accomp>]
Nov 20 23:33:18 melech pppd[25464]: sent [LCP ConfAck id=0x0 <asyncmap
0x0> <auth chap MD5> <magic 0x50a91da> <pcomp> <accomp>]
Nov 20 23:33:18 melech pppd[25464]: rcvd [LCP ConfAck id=0x1 <asyncmap
0x0> <magic 0x394ac5b7> <pcomp> <accomp>]
Nov 20 23:33:18 melech pppd[25464]: rcvd [LCP DiscReq id=0x1
magic=0x50a91da]
Nov 20 23:33:18 melech pppd[25464]: rcvd [CHAP Challenge id=0x1
<3886094f10ef4afad083954d7af40093>, name = "UMTS_CHAP_SRVR"]
Nov 20 23:33:18 melech pppd[25464]: sent [CHAP Response id=0x1
<8a22f34d3faa17922975defd5b2d6eb2>, name = "melech"]
Nov 20 23:33:18 melech pppd[25464]: rcvd [CHAP Success id=0x1 ""]
Nov 20 23:33:18 melech pppd[25464]: CHAP authentication succeeded
Nov 20 23:33:18 melech pppd[25464]: CHAP authentication succeeded
Nov 20 23:33:18 melech pppd[25464]: sent [IPCP ConfReq id=0x1 <addr
0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns3 0.0.0.0>]
Nov 20 23:33:19 melech pppd[25464]: rcvd [IPCP ConfNak id=0x1 <ms-dns1
10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins
10.11.12.14>]
Nov 20 23:33:19 melech pppd[25464]: sent [IPCP ConfReq id=0x2 <addr
0.0.0.0> <ms-dns1 10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins
10.11.12.13> <ms-wins 10.11.12.14>]
Nov 20 23:33:20 melech pppd[25464]: rcvd [IPCP ConfNak id=0x2 <ms-dns1
10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins
10.11.12.14>]
Nov 20 23:33:20 melech pppd[25464]: sent [IPCP ConfReq id=0x3 <addr
0.0.0.0> <ms-dns1 10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins
10.11.12.13> <ms-wins 10.11.12.14>]
Nov 20 23:33:21 melech pppd[25464]: rcvd [IPCP ConfNak id=0x3 <ms-dns1
10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins
10.11.12.14>]
Nov 20 23:33:21 melech pppd[25464]: sent [IPCP ConfReq id=0x4 <addr
0.0.0.0> <ms-dns1 10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins
10.11.12.13> <ms-wins 10.11.12.14>]
Nov 20 23:33:22 melech pppd[25464]: rcvd [IPCP ConfNak id=0x4 <ms-dns1
10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins
10.11.12.14>]
Nov 20 23:33:22 melech pppd[25464]: sent [IPCP ConfReq id=0x5 <addr
0.0.0.0> <ms-dns1 10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins
10.11.12.13> <ms-wins 10.11.12.14>]
Nov 20 23:33:23 melech pppd[25464]: rcvd [IPCP ConfNak id=0x5 <ms-dns1
10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins
10.11.12.14>]
Nov 20 23:33:23 melech pppd[25464]: sent [IPCP ConfReq id=0x6 <addr
0.0.0.0> <ms-dns1 10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins
10.11.12.13> <ms-wins 10.11.12.14>]
Nov 20 23:33:24 melech pppd[25464]: rcvd [IPCP ConfNak id=0x6 <ms-dns1
10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins
10.11.12.14>]
Nov 20 23:33:24 melech pppd[25464]: sent [IPCP ConfReq id=0x7 <addr
0.0.0.0> <ms-dns1 10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins
10.11.12.13> <ms-wins 10.11.12.14>]
Nov 20 23:33:25 melech pppd[25464]: rcvd [IPCP ConfNak id=0x7 <ms-dns1
10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins
10.11.12.14>]
Nov 20 23:33:25 melech pppd[25464]: sent [IPCP ConfReq id=0x8 <addr
0.0.0.0> <ms-dns1 10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins
10.11.12.13> <ms-wins 10.11.12.14>]
Nov 20 23:33:26 melech pppd[25464]: rcvd [IPCP ConfNak id=0x8 <ms-dns1
10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins
10.11.12.14>]
Nov 20 23:33:26 melech pppd[25464]: sent [IPCP ConfReq id=0x9 <addr
0.0.0.0> <ms-dns1 10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins
10.11.12.13> <ms-wins 10.11.12.14>]
Nov 20 23:33:27 melech pppd[25464]: rcvd [IPCP ConfNak id=0x9 <ms-dns1
10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins
10.11.12.14>]
Nov 20 23:33:27 melech pppd[25464]: sent [IPCP ConfReq id=0xa <addr
0.0.0.0> <ms-dns1 10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins
10.11.12.13> <ms-wins 10.11.12.14>]
Nov 20 23:33:27 melech pppd[25464]: rcvd [IPCP ConfReq id=0x0]
Nov 20 23:33:27 melech pppd[25464]: sent [IPCP ConfNak id=0x0 <addr
0.0.0.0>]
Nov 20 23:33:27 melech pppd[25464]: rcvd [IPCP ConfRej id=0xa <ms-wins
10.11.12.13> <ms-wins 10.11.12.14>]
Nov 20 23:33:27 melech pppd[25464]: sent [IPCP ConfReq id=0xb <addr
0.0.0.0> <ms-dns1 10.11.12.13> <ms-dns3 10.11.12.14>]
Nov 20 23:33:27 melech pppd[25464]: rcvd [IPCP ConfNak id=0xb <addr
83.178.151.127> <ms-dns1 130.244.127.161> <ms-dns3 130.244.127.169>]
Nov 20 23:33:27 melech pppd[25464]: sent [IPCP ConfReq id=0xc <addr
83.178.151.127> <ms-dns1 130.244.127.161> <ms-dns3 130.244.127.169>]
Nov 20 23:33:27 melech pppd[25464]: rcvd [IPCP ConfAck id=0xc <addr
83.178.151.127> <ms-dns1 130.244.127.161> <ms-dns3 130.244.127.169>]
Nov 20 23:33:28 melech pppd[25464]: rcvd [IPCP ConfReq id=0x1]
Nov 20 23:33:28 melech pppd[25464]: sent [IPCP ConfAck id=0x1]
Nov 20 23:33:28 melech pppd[25464]: Could not determine remote IP
address: defaulting to 10.64.64.64
Nov 20 23:33:28 melech pppd[25464]: Cannot determine ethernet address
for proxy ARP
Nov 20 23:33:28 melech pppd[25464]: local  IP address 83.178.151.127
Nov 20 23:33:28 melech pppd[25464]: remote IP address 10.64.64.64
Nov 20 23:33:28 melech pppd[25464]: primary   DNS address 130.244.127.161
Nov 20 23:33:28 melech pppd[25464]: secondary DNS address 130.244.127.169
Nov 20 23:33:28 melech pppd[25464]: Script /etc/ppp/ip-up started (pid
25471)

It also requires using the "ipcp-max-failure" pppd option, I set it to
30. The attached patch is against Debian pppd 2.4.4rel-9.

Regards,

Marcus