Cisco 3725 Software Configuration Guide - Page 107

Specify a HSSI, Specify HSSI Encapsulation, Invoke ATM on a HSSI Line

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Chapter 3 Configuring with the Command-Line Interface Configuring the 1-Port HSSI Network Module • Supports speeds up to 52 Mbps • Supports a range of connectivity options: ATM, Frame Relay, PPP, and SMDS • Supports EIA/TIA-612 and EIA/TIA-613 specifications at T3, E3, SONET OC1/STS-1 and NXT1 subrates Configuration Tasks Perform the tasks in the following sections to configure a HSSI interface. The first task is required; the remaining tasks are optional. • Specify a HSSI, page 3-47 • Specify HSSI Encapsulation, page 3-47 • Invoke ATM on a HSSI Line, page 3-47 • Convert HSSI to Clock Master, page 3-48 • Disable Fair Queueing, page 3-48 Specify a HSSI To specify a HSSI and enter interface configuration mode, perform the following tasks in global configuration mode: Task Begin interface configuration. Command interface hssi slot/port Specify HSSI Encapsulation The HSSI supports the serial encapsulation methods, except for X.25-based encapsulations. The default method is HDLC. You can define the encapsulation method by performing the following task in interface configuration mode: Task Command Configure HSSI encapsulation. encapsulation {atm-dxi | hdlc | frame-relay | ppp | sdlc-primary | sdlc-secondary | smds | stun} For information about PPP, see the "Configure SLIP and PPP" chapter of the Cisco IOS Release 11.3 Access Services Configuration Guide and the "Configure PPP for Wide-Area Networking" chapter of the Cisco IOS Release 11.3 Wide-Area Networking Configuration Guide. Invoke ATM on a HSSI Line If you have an ATM DSU, you can invoke ATM over a HSSI line by mapping an ATM virtual path identifier (VPI) and virtual channel identifier (VCI) to a DXI frame address. ATM-DXI encapsulation defines a data exchange interface that allows a DTE (such as a router) and a DCE (such as an ATM DSU) to cooperate to provide a User-Network Interface (UNI) for ATM networks. OL-1957-04 Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers 3-47

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3-47
Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers
OL-1957-04
Chapter 3
Configuring with the Command-Line Interface
Configuring the 1-Port HSSI Network Module
•
Supports speeds up to 52 Mbps
•
Supports a range of connectivity options: ATM, Frame Relay, PPP, and SMDS
•
Supports EIA/TIA-612 and EIA/TIA-613 specifications at T3, E3, SONET OC1/STS-1 and NXT1
subrates
Configuration Tasks
Perform the tasks in the following sections to configure a HSSI interface. The first task is required; the
remaining tasks are optional.
•
Specify a HSSI, page 3-47
•
Specify HSSI Encapsulation, page 3-47
•
Invoke ATM on a HSSI Line, page 3-47
•
Convert HSSI to Clock Master, page 3-48
•
Disable Fair Queueing, page 3-48
Specify a HSSI
To specify a HSSI and enter interface configuration mode, perform the following tasks in global
configuration mode:
Specify HSSI Encapsulation
The HSSI supports the serial encapsulation methods, except for X.25-based encapsulations. The default
method is HDLC. You can define the encapsulation method by performing the following task in interface
configuration mode:
For information about PPP, see the “Configure SLIP and PPP” chapter of the Cisco IOS Release 11.3
Access Services Configuration Guide
and the “Configure PPP for Wide-Area Networking” chapter of
the Cisco IOS Release 11.3
Wide-Area Networking Configuration Guide
.
Invoke ATM on a HSSI Line
If you have an ATM DSU, you can invoke ATM over a HSSI line by mapping an ATM virtual path
identifier (VPI) and virtual channel identifier (VCI) to a DXI frame address. ATM-DXI encapsulation
defines a data exchange interface that allows a DTE (such as a router) and a DCE (such as an ATM DSU)
to cooperate to provide a User-Network Interface (UNI) for ATM networks.
Task
Command
Begin interface configuration.
interface hssi
slot
/
port
Task
Command
Configure HSSI encapsulation.
encapsulation
{
atm-dxi
|
hdlc
|
frame-relay
|
ppp
|
sdlc-primary
|
sdlc-secondary
|
smds
|
stun
}