Convert Hssi To Clock Master; Disable Fair Queueing; Configuration Examples - Cisco 2620 Configuration Manual
Software configuration guide
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Configuring the 1-Port HSSI Network Module
To invoke ATM over a serial line, perform the following tasks in interface configuration mode:
Task
Specify the encapsulation method.
Map a given VPI and VCI to a DXI frame
address.
Convert HSSI to Clock Master
You can convert the HSSI interface into a 45-MHz clock master by performing the following task in
interface configuration mode:
Task
Convert the HSSI interface into a
51.84-MHz clock master.
Disable Fair Queueing
Disabling fair queuing will dramatically improve fast switching rates over the HSSI. To disable fair
queueing, perform the following task in interface configuration mode:
Task
Disable fair queueing.
For more information about configuring HSSI interfaces, refer to the "Configuring Serial Interfaces"
chapter in the Cisco IOS Release 11.3 Configuration Fundamentals Configuration Guide.
Configuration Examples
The following example shows how to configure a 1-port HSSI network module on a Cisco 3600 series
router. Both sides of the network connection need to be configured:
interface hssi 0/0
ip address 10.1.1.1 255.255.255.0
hssi internal-clock
no fair-queue
no shutdown
interface hssi 1/0
ip address 10.1.1.2 255.255.255.0
hssi internal-clock
no fair-queue
no shutdown
In this example:
•
•
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Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers
3-48
The interface hssi command specifies a HSSI interface and changes the configuration mode from
global to interface.
The ip address command assigns an IP address to this interface.
The hssi internal-clock command sets the HSSI clock source.
Chapter 3
Configuring with the Command-Line Interface
Command
encapsulation atm-dxi
dxi map protocol address vpi vci
[broadcast]
Command
hssi internal-clock
Command
no fair-queue
OL-1957-04
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