Cisco uBR924 Specifications download pdf (Page 12)

Release Notes for Cisco uBR924 Cable Access Router for Cisco IOS Release 12.1(5)T

OL-0385-04 Rev. B0 (2/2001)

New and Changed Information

Media Gateway Control Protocol Residential Gateway Support

Cisco IOS Release 12.1(3a)T1 for the Cisco uBR924 Cable Access Router supports version 0.1 of the

Media Gateway Control Protocol (MGCP), a proposed IETF voice control protocol that is intended to

eventually supersede the existing SCGP 1.1 protocol. The MGCP 0.1 and SGCP 1.1 protocols have been

merged on the Cisco uBR924 router so that the router can respond efficiently to either protocol.

The Cisco uBR924 Cable Access Router functions as a Residential Gateway, providing an interface

between analog FXS phone or fax systems and the Voice over IP (VoIP) network. The Residential

Gateway uses a Trunking Gateway to contact the call agent, which in turn provides access to the public

telephone switched network (PTSN).

The Cisco uBR924 Cable Access Router supports both call waiting and caller ID when using either

MGCP or SGCP for call control. Each of the two voice ports on the Cisco uBR924 router can be

configured with the IP address for a default call agent. SNMP management of both the MGCP and

SNMP protocols is provided by a single MIB (XGCP-MIB).

Note This feature is described in detail in the Media Gateway Control Protocol Version 12.1.3 T

feature module, available on CCO and the Documentation CD-ROM.

Secure Shell Version 1 Client Support

Cisco IOS Release 12.1(3a)T1 enhances the router’s support for the Secure Shell (SSH) protocol, which

was introduced in Cisco IOS Release 12.1(1)T (see the “Secure Shell Server Support” section on

page 16). SSH connections use encryption and user authentication to establish a secure communications

channel over an insecure network, such as the Internet.

In Cisco IOS Release 12.1(3a)T1, SSH support now includes the following features:

• SSH server support enables users to use an SSH connection to log in to the Cisco uBR924 router.

• SSH client support enables a user logged in to the Cisco uBR924 Cable Access Router to log in to

another router using SSH authentication and encryption.

• DES and 3DES encryption are supported, depending on the capabilities of the Cisco IOS image

being used.

• RSA authentication.

Note RSA stands for Rivest, Shamir, and Adelman, inventors of a public-key

cryptographic system.

Note For configuration and other information, see the Secure Shell Version 1 Client feature

module, available on CCO and the Documentation CD-ROM.

No New Hardware Features in Release 12.1(2)T

Cisco IOS Release 12.1(2)T does not contain any new hardware features for the Cisco uBR924 Cable

Access Router.

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Cisco uBR924 Specifications Page 12