Dslmodem > 3Com > 3CR858-91 ADSL Geek

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3Com 3CR858-91 information:

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Modem/Router Features

ADSL2/2+ Compatible

How to login

Go to http://.../ in your web browser and it should prompt you to login.
The default username is
The default password is

Missing 3CR858-91 Resources
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Quick Setup Guide
User Guide (Full Manual)
Drivers
Emulator
Telepermit Number
Setup/PPPoA Instructions
ADSL Status Info

New In Box - 3Com OfficeConnect 4-Port 10/100 Wired Router 3CR858-91

US $69.95
End Date: Thursday Feb-16-2012 13:33:58 PST
Buy It Now for only: US $69.95
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3Com OfficeConnect 4-Port 10/100 Wired Router 3CR858-91

US $47.95
End Date: Wednesday Feb-29-2012 17:24:07 PST
Buy It Now for only: US $47.95
Buy it now | Add to watch list

Keywords: Dslmodem 3Com 3CR858-91, 3com 3com 3cr858
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3Com - ADSLGeek comments:

Solid reliable brand of DSL modems, very stable, and good at distance

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Product Warnings

FIRMWARE RELEASE NOTES:

Software Version 1.13

Published Date: March 2009
1. Introduction
1.1 Scope
These release notes summarize the operational requirements and known issues for the following 3Com OfficeConnect Cable/DSL Router (Model # 3CR858-91) software release.
Software Release Filename

Description
==================
3COMOBE_FW113.bin
3COMOBE_FW113-168.bin
Operational Software (56 bit encryption)
Operational Software (168 bit encryption)

1.2 Online Resources
To obtain a copy of the OfficeConnect Cable/DSL Router User Guide, visit the 3Com Web site: www.3Com.com where you can find the most up-to-date version.
To obtain the latest technical information for your Router, including a list of known
problems and solutions, visit the 3Com Knowledgebase:
http://knowledgebase.3Com.com
To obtain current software updates (maintenance releases) and associated release notes for the 3Com OfficeConnect Cable/DSL Router and other 3Com products, visit the 3Com Web site: www.3Com.com

2. Issues Resolved in Release v1.13
==================
2.1 TZO DDNS Server
The issue where a remote router that is using a dynamic DNS service gets a new IP address and the 3Com router would drop the VPN tunnel has been resolved in this release.
2.2 DDNS reliability
If a remote site changed its IP address after its last VPN connection, the new IP was not being found
2.3 DNS Server exception
If a user changes a PC's DNS server setting to a remote VPN's DNS server, the Router would report an exception.
3. Additional Features Supported in Release v1.13
3.1 NAT-T Support
NAT support based on RFC-3947 (including draft 2) is now supported. This means that PCs using Windows XP Service Pack 2 using L2TP/IPsec can now make a VPN connection.
3.2 PPTP/L2TP Configuration
In this release of software it is now possible to configure the PPTP/L2TP IP pool address range to be the same range as the DHCP server IP address pool.

4. Upgrading Software
For instructions on how to upgrade the Router to this firmware version, please refer to the 3com OfficeConnect Cable/DSL router user guide (part number DUA8589-1AAA01).

3Com 3CR858-91

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Setup Information Default IP . . .
Default Username
Default Password
Quick Setup
User Manual

Modem features Features

Setup Guides How to add PPPoA connection:
How to check ADSL Status:

Reviews and comments 3CR858-91 Comments:
Known issues/Warnings

FIRMWARE RELEASE NOTES:

Software Version 1.13

Published Date: March 2009
1. Introduction
1.1 Scope
These release notes summarize the operational requirements and known issues for the following 3Com OfficeConnect Cable/DSL Router (Model # 3CR858-91) software release.
Software Release Filename

Description
==================
3COMOBE_FW113.bin
3COMOBE_FW113-168.bin
Operational Software (56 bit encryption)
Operational Software (168 bit encryption)

1.2 Online Resources
To obtain a copy of the OfficeConnect Cable/DSL Router User Guide, visit the 3Com Web site: www.3Com.com where you can find the most up-to-date version.
To obtain the latest technical information for your Router, including a list of known
problems and solutions, visit the 3Com Knowledgebase:
http://knowledgebase.3Com.com
To obtain current software updates (maintenance releases) and associated release notes for the 3Com OfficeConnect Cable/DSL Router and other 3Com products, visit the 3Com Web site: www.3Com.com

2. Issues Resolved in Release v1.13
==================
2.1 TZO DDNS Server
The issue where a remote router that is using a dynamic DNS service gets a new IP address and the 3Com router would drop the VPN tunnel has been resolved in this release.
2.2 DDNS reliability
If a remote site changed its IP address after its last VPN connection, the new IP was not being found
2.3 DNS Server exception
If a user changes a PC's DNS server setting to a remote VPN's DNS server, the Router would report an exception.
3. Additional Features Supported in Release v1.13
3.1 NAT-T Support
NAT support based on RFC-3947 (including draft 2) is now supported. This means that PCs using Windows XP Service Pack 2 using L2TP/IPsec can now make a VPN connection.
3.2 PPTP/L2TP Configuration
In this release of software it is now possible to configure the PPTP/L2TP IP pool address range to be the same range as the DHCP server IP address pool.

4. Upgrading Software
For instructions on how to upgrade the Router to this firmware version, please refer to the 3com OfficeConnect Cable/DSL router user guide (part number DUA8589-1AAA01).

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