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Article #4168

Low-cost dial-up IP Router

#4168
From: Ornstein Jason
Date: Sat, 27 Feb 1993 20:25
182 lines
7948 bytes
              ------------------------------------------------ 
                             SLIP (On A Stick) 
                        A Low cost Dial-up IP Router
              ------------------------------------------------ 

    FUNCTIONS:

    o   Connects TCP/IP hosts/networks over standard telephone lines
    o   Manages an external modem
    o   Logs into terminal servers or hosts, invokes SLIP/CSLIP protocol
    o   Rebuilds / maintains connections as desired
    o   Restricts packet forwarding for security

    FEATURES:

    o   RIP        (Routing Information Protocol)
    o   SNMP       (Simple Network Management Protocol)
    o   BSD SysLog (Berkeley UNIX logging facility)
    o   ACLs       (Access Control Lists)
    o   Call Filtering (What traffic causes connections to be built)
    o   Inbound Telnet
    o   Boots from EPROM or via TFTP (Trivial File Transfer Protocol)
    o   PPP available 2Q93

    ADVANTAGES:

    o   A turn-key solution to dial-up IP networking
    o   Dedicated phone line not required
    o   Stand-alone operation (no software to install on your hosts)
    o   Easy to support & configure
    o   Low purchase and maintenance costs
    o   No special setup of application hosts
    o   Inexpensive firmware upgrades 
    o   Adapts to virtually any IP host or network
    o   Secure
    
    GENERAL:

    Cogwheel is pleased to announce Slip-On-A-Stick, a new dial-up IP
    router designed specifically to meet the needs of organizations
    either wishing to build private TCP/IP internetworks, or connect to
    the global Internetwork in the easiest, lowest cost manner possible. 
    This compact, book-size device attaches to your TCP/IP Ethernet LAN 
    and an external modem. It works by dialing the modem automatically 
    and converting the TCP/IP traffic on your Ethernet into the SLIP, 
    CSLIP or PPP(2Q93) protocols for transmission by the modem. On
    the remote side, any server which supports one of these protocols 
    may be used. The result is transparent connectivity for any TCP/IP 
    application running on any host on your local LAN. 

    LOWEST COST INTERNETWORKING

    Slip-On-A-Stick is the lowest cost dial-up IP router available. 
    Since it doesn't require expensive dedicated leased lines, Dial-up 
    IP is the lowest cost method of internetworking available.
    Together, Slip-On-A-Stick provides an unbeatable combination of
    low purchase cost and low monthly line charges.  Slip-On-A-Stick is 
    the best choice for applications requiring internetwork connectivity 
    at the lowest possible cost.

    ADAPTS TO VARIETY OF SERVERS

    Slip-On-A-Stick can adapt to a wide variety of operating
    requirements.  It attaches to both AUI Drop Ethernet and Thin
    Ethernet (Cheapernet). On the serial side, it can handle speeds up
    to 38 kbps (higher rates available soon) and provides for full 
    modem control.  Slip-On-A-Stick employs an extremely flexible 
    "chat script" feature which enables it to work with virtually any 
    modem and virtually any server on the remote end.  Plus, it's 
    simple to configure, and imposes no special requirements on 
    application hosts or the LAN.

    SECURE

    Slip-On-A-Stick can filter packets based on IP source, destination,
    protocol, service port, and even time-of-day. Also, Slip-On-A-Stick
    can be setup to require a password before granting access to 
    its configuration functions

    DEDICATED PHONE LINE NOT REQUIRED

    Slip-On-A-Stick can economize on telephone charges by building
    connections only when needed.  Connections may be built "on demand"
    (when packets arrive), at specific times-of-the-day, or at boot
    (for continuous connectivity).  Call length is completely
    programmable (there are several ways to configure it).  If your
    applications do not require continuous connectivity, the same phone
    line may be shared with other devices, such as a FAX.

    SPECIFICATIONS

    Command Language:
             Simple command line interpreter.  Keyword-value pairs.
             Optional user and adminstrator passwords. All values are
             retained in non-volatile memory.

    Configuration:
             Initially, via 19,200 baud ASCII terminal on auxiliary port.  
             Subsequently, via inbound TELNET session.

    Management & Monitoring:
             Logging via BSD syslog protocol.
             Management via SNMP MIB II.

    Security:
             Optional user and administrator level passwords
             in command language. Packet filtering on outgoing
             interfaces based on any combination of network,
             host, source, destination, port (udp or tcp),
             icmp, and time of day.

    Routing:
             Static and dynamic routes. Dynamic, filtered ad-
             vertisement and update via Routing Information
             Protocol (RIP).

    Automatic Connections:
             Initiated on power-up, on demand, and at speci-
             fied intervals. Maximum, minimum, and idle
             disconnect times may be specified.

    Software Media:
             Socketed Eraseable/Programmable Read Only Memory
             (EPROM)

    Bootstrap Methods:
             Directly from EPROM. Optionally via Trivial File
             Transfer Protocol (TFTP).

    Modem Requirements
             RS232 AT-programmable. Standard baud rates up to 38.4kbps.
             8 Data bits, RTS/CTS flow control.  Control signals
             supported:  DCD, DTR, RTS, CTS.  RJ45 Physical connector.
             Supplied with straight-through and NULL cables.

    Remote Server Requirements
             Any human-readable, line oriented, printable ASCII text
             login sequence, with means to enter SLIP protocol.

    Hardware System:
             Processor: 80C186
             RAM:       1Mb + 32Kb non-volatile
             EPROM:     256Kb

    Ethernet Interface:
             Jumper selectable IEEE802.3 AUI interface on standard D15
             socket or Cheapernet (Thin-net) interface on standard BNC
             connector.

    Power Supply:
             External switching.
             Input:  100-240V AC, 50-60Hz, @.08A
             Output: 5VDC@2A & 12VDC@1A.

    Warranty:
            Workmanship guaranteed for 90 days from purchase.

    Telephone Support:
             Free for 1 year after purchase

    Upgrades:
             Free firmware upgrades will be made available up to one
             year after purchase.

    Dimensions:
             Main unit:    1.5"H x 7.25"W x 9.5"D.
             Power Supply: 1.75"H x 3"W x 6"D

    M.S.R.P:
             $1195

    FOR MORE INFORMATION

             Cogwheel, Inc.
             1705 14th st, suite 308
             Boulder, CO 80302

             (voice) 303-444-1338
             (fax)   303-442-3480
             (email) soas-info@Cogwheel.COM
             (ftp)   ftp.Cogwheel.COM, login "anonymous", 
                     directory: /Cogwheel/SOAS
Technical Details
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Path: arc1-ca.pugleaf.net!sparky!uunet!convex!convex!darwin.sura.net!spool.mu.edu!agate!boulder!ornstein

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From: ornstein@refuge.Colorado.EDU (Ornstein Jason)
Subject: Low-cost dial-up IP Router
Message-ID: <1993Feb27.202546.2965@colorado.edu>
Followup-To:  soas-info@cogwheel.com
Sender: news@colorado.edu (The Daily Planet)
Nntp-Posting-Host: refuge.colorado.edu
Organization: Cogwheel, Inc.
Distribution: co
Date: Sat, 27 Feb 1993 20:25:46 GMT
Lines: 182