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3Com 3C433279A Release Note

Superstack ii remote access system 1500
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®
ISDN Assistance
Part No. 1.024.2320 Rev CA
June 2000
R
N
ELEASE
®
S
S
II R
UPER
TACK
R
2.5
ELEASE
These Release Notes contain information for Release 2.5 of the
®
SuperStack
II Remote Access System 1500 (RAS 1500). It includes the
following:
New Features ........................................................................2
MSCHAP V1, V2
Full Duplex Ethernet
File Compression
PAT (TCP and UDP) support for WAN Interface
NAT (Dynamic and Static) over WAN Interface
Web configurator support for WAN Interface
GSM
Operational Information ........................................................9
Visit the RAS 1500 Web Site (http://www.3com.com/ras1500) for the
latest RAS 1500 product information, code, and documentation. On this
site, you will also find a link to the 3Com Knowledgebase where you will
find useful product tips and information posted by other RAS 1500 users.
For assistance with Integrated Services Digital Network (ISDN) services in
the U.S., call the 3Com Access Plus hot line, 1-800-367-3869.
When a similar service is available in Canada, information will be posted
on the 3Com Support Web Site (http://support.3com.com).
For assistance with ISDN services in Latin America, contact your local
phone company.
OTES
A
S
EMOTE
CCESS
1500
YSTEM

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Summary of Contents for 3Com 3C433279A

  • Page 1 Visit the RAS 1500 Web Site (http://www.3com.com/ras1500) for the latest RAS 1500 product information, code, and documentation. On this site, you will also find a link to the 3Com Knowledgebase where you will find useful product tips and information posted by other RAS 1500 users.

  • Page 2: New Features

    ELEASE OTES UPER TACK New Features The following are new features in this release: MSCHAP Version 1 RAS 1500 includes support for local, Remote Authentication Dial In User Services (RADIUS) and NT NOS authentication. In addition to Password MSCHAP Version 2 Authentication Protocol (PAP) and Challenge Handshake Authentication Protocol (CHAP) support, Release 2.5 adds MSCHAP Versions 1 and 2 for local and RADIUS authentication.
  • Page 3 File Compression Release 2.5 includes improved file compression for internal file storage, increasing the amount of free space on the flash of the Router Unit. This allows for larger configuration files stored locally on the flash, and reduces the frequency of RAS 1500 going into ‘Flash Compaction’ mode. This feature is automatic and you don’t have to do anything to implement TCP PAT Release 2.5 includes support for Port Address Translation (PAT) over the...
  • Page 4 ® II R ELEASE OTES UPER TACK Parameter PRIVATE_PORT PUBLIC_PORT UDP PAT Release 2.5 includes support for User Data Protocol (UDP) PAT over the WAN interface. UDP PAT sets a static address mapping translation for a connection and associates a user name with that connection. UDP PAT translates UDP port numbers and user addresses on the private network and maps these addresses to a single ISP-assigned address by changing the source IP port number and IP address.

  • Page 5: Dynamic Nat

    Parameter PUBLIC_PORT PUBLIC_PORT Note: PAT can only be used when the ISP has provided only one IP address. This one IP address will dynamically change with each new connection. Dynamic NAT Release 2.5 includes support for Dynamic Network Address Translation (NAT) over the WAN interface.
  • Page 6 ® II R ELEASE OTES UPER TACK Parameter PUBLIC_POOL_START Below is an example of Dynamic NAT. The command, ADD NAT DYNAMIC USER NATD COUNT 4 PUBLIC_POOL_START 2.2.2.2 sets (the count of) “4” consecutive ISP-assigned addresses beginning with the ISP-assigned address “2.2.2.2” to use for Dynamic NAT. In this case, the range includes the ISP-assigned addresses, “2.2.2.2”, “2.2.2.3”, “2.2.2.4”, and “2.2.2.5”.
  • Page 7 You can also set Static NAT using CLI. The CLI command for adding Static NAT over the WAN interface is as follows: ADD NAT STATIC USER <USER_NAME> This command should be followed sequentially by the following sub commands. See the table below for definitions of the parameters. PRIVATE_ADDRESS <IP_ADDRESS>...
  • Page 8 ® II R 1500 R ELEASE OTES UPER TACK EMOTE CCESS YSTEM ELEASE addresses are “broadcast” addresses and are not available for NAT. The second address in the contiguous range is reserved for the RAS 1500 and also is not available for NAT. Both Dynamic and Static NAT can be used simultaneously, however individual users connecting to the public network must be configured for either dynamic or static NAT.

  • Page 9: Operational Information

    Operational The following operational information is associated with this release: Information Closing A Telnet Issue Closing a Telnet session by clicking the box in the top right corner of the Resolved window will now properly close the session. Lingering User Faulty handling of certain dial in client disconnects has been corrected.
  • Page 10 ® II R ELEASE OTES UPER TACK Modifying DLCI The Digital (Data) Link Connection Identifier (DLCI) of a Frame Relay user, cannot be modified directly from the LAN-to-LAN and Shared ISP pages of the RAS 1500 Web Configurator. To modify the DLCI, you must use the CLI.

  • Page 11: Frame Relay Local Management Interface

    RAS1500>DISABLE DATALINK PPP INTERFACE rm0/wan:1 RAS1500>DELETE USER <USERNAME> RAS1500>DELETE DATALINK PPP INTERFACE rm0/wan:1 b) You may add a new entry in the LAN-to-LAN or the Shared ISP, through the Web Configurator, based on your needs. Frame Relay Local The Local Management Interface (LMI) is a set of enhancements to the Management basic Frame Relay specification.

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Remote access system 1500