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- __techs (2:5015/42) ----------------------------------------------- __techs -
Msg  : 524 of 1000                         Scn
From : Oleg Krivoshatkin                   2:5067/3        27 Oct 97  14:32:20
To   : Sergey Y Kazakov                                    29 Oct 97  19:56:18
Subj : Re: И снова routing
-------------------------------------------------------------------------------
@AREA:RU.WINDOWS.NT.CHAINIK
@RealName: Олег Кривошаткин
  Пламенный привет, Sergey!

Чет Окт 23 1997 11:22, Sergey Y Kazakov написал  All:

SK>     Имеется локалка a.b.c.160 netmask 255.255.255.224 на 32 адресса.

SK> Сервер NT40 a.b.c.162, на нем модем a.b.c.161
SK> Hа сервере secondary DNS.

SK> До коннекта с провайдером имеем (route print):

  [...Digger сгрыз...]

SK> Все OK. Все друг друга видят по IP и по имени.

SK>     После дозвона к провайдеру:

  [...Digger сгрыз...]

SK>     Внутри ничего не работает. С сервера нормально в и-нет хожу.

  [...Digger сгрыз...]

SK>     Как организовать нормальный роутинг?

>------------ Файл route.txt. Кусать отсель --------------<

    Windows  NT  RAS  version  3.5 or later was not designed to route
packets  from  a  large LAN over a dial-up link. However, by correctly
configuring  both  the  RAS  computer acting as a router and the other
computers  on your small LAN with a static network configu ration, you
can  use the computer running Windows NT RAS as a simple router to the
Internet or to an enterprise TCP/IP network.

    Note Your LAN must be small and not require the automatic routing
configuration   provided  by  RIP.  (You  probably  do  not  need  RIP
functionality  if you have a small LAN that is not expected to grow or
change.)

    The following requirements are necessary for using Windows NT RAS
as a dial-up router between your LAN and the Internet:

    A  Windows NT computer with a high-speed modem or ISDN line and a
network adapter card
    A  Point-to-Point  Protocol  (PPP)  connection to the Internet or
enterprise TCP/IP network
    A  valid  network  or  a subnet, different from the subnet of the
Internet service provider
    The  proper  Registry  and  Default Gateway configurations on the
computer  acting  as  a router and the LAN clients. The configurations
are described later in this section.
    To  be  identified using names rather than IP addresses, you also
need a domain name. Your Internet service provider can help you obtain
a  domain name. After you have a PPP connection, IP addresses for your
subnet  (and correct subnet mask), and (optionally) a domain name, you
can configure the RAS and LAN computers for Internet gateway.

    To  configure  a small LAN for routing to the Internet over a PPP
account

    1.  On  the  RAS computer acting as a router to the Internet, add
the  value  DisableOtherSrcPackets to the following Registry path, and
then set the value to 0.

\\HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Services\\RasArp\\Parameters


DisableOtherSrcPackets                          REG_DWORD

Range: 0-1Default: 1 (not in Registry)

    By  default,  the  header of each packet sent by the RAS computer
over  the  PPP  link  uses  the  IP address of the RAS computer as the
source.  Since  the  packets  that  come  from  LAN  clients  are  not
originating  from the RAS computer, you must set DisableOtherSrcPacket
to 0 so that the packets will be forwarded over the PPP link.

    2.  If  your  subnet  is  on  the  same logical IP subnet as your
service provider (which is likely in this scenario), you must also add
the  value  PriorityBasedOnSubNetwork  to  the  Registry  of  the  RAS
computer  that  routes  packets from the LAN to the Internet, and then
set this parameter to 1.

    A  computer  can connect to the LAN by using a network card and a
RAS connection. If the RAS connection and the LAN network adapter card
are  assigned  addresses  with the same network number, and if the Use
Default  Gateway  On  Remote  Network check box is sele cted, then all
packets  are  sent  over  the  RAS  connection,  even  though  the two
addresses  are  in  different subnetworks within the same network. For
example,  if  the network adapter card has IP address 17.1.1.1 (subnet
mask  255.255.0.0)  and  the  RAS  connection  is assigned the address
17.2.1.1,  RAS sends all 17.x.x.x packets using the RAS connection. If
the  parameter  is  set,  RAS  sends  17.2.x.x  packe ts using the RAS
connection and 17.1.x.x packets using the network adapter card.

\\HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Services\\RasMan\\PPP\\IPCP


PriorityBasedOnSubNetwork                       REG_DWORD

Range: 0-1Default: 0 (not in registry)

    3.  Configure the default gateway of all the computers on the LAN
using the Network icon in Control Panel.

    The  default  gateway  is  set  when  you  configure  the  TCP/IP
protocol.
    The default gateway for all computers on the LAN should be the IP
address  of the network card in the RAS computer acting as a router to
the  Internet.  The  default  gateway  for  the computer acting as the
router to the Internet should be left blank.

>------------------ .... и досель --------------------<


 С уважением, Oleg.

... Чтобы правильно задать вопрос, надо знать половину ответа.
--- Оголтелый старикан 2.50+
* Origin: -= Judgement Station =- (2:5067/3)






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