Configuring Serial Interfaces on the Cisco ASR 9000 Series Router
Information About Configuring Serial Interfaces
503
Cisco ASR 9000 Aggregation Services Router Interfaces and Hardware Component Configuration Guide
OL-26061-03
• PPP Encapsulation, page 506
• Keepalive Timer, page 508
• Frame Relay Encapsulation, page 509
• Layer 2 Tunnel Protocol Version 3-Based Layer 2 VPN on Frame Relay, page 510
• Default Settings for Serial Interface Configurations, page 511
• Serial Interface Naming Notation, page 511
• IPHC Overview, page 512
On the Cisco ASR 9000 Series Router, a single serial interface carries data over a single interface using
PPP, Cisco HDLC, or Frame Relay encapsulation.
High-Level Overview: Serial Interface Configuration on Clear-Channel SPAs
Table 14 provides a high-level overview of the tasks required to configure a T3 serial interface on the
Cisco 2-Port and 4-Port Clear Channel T3/E3 SPA.
Table 15 provides a high-level overview of the tasks required to configure an E3 serial interface on a
2-Port and 4-Port Clear Channel T3/E3 SPA.
Table 14 Overview: Configuring a T3 Serial Interface on a Clear Channel SPA
Step Task Module Section
1. Use the hw-module subslot
command to set serial mode for the
SPA to be T3, if necessary.
Note By default, the 2-Port and
4-Port Clear Channel T3/E3
SPA is set to run in T3 mode.
“Configuring Clear Channel T3/E3 and
Channelized T3 and T1/E1 Controllers
on the Cisco ASR 9000 Series Router”
Setting the Card Type
2. Configure the T3 controller. “Configuring Clear Channel T3/E3 and
Channelized T3 and T1/E1 Controllers
on the Cisco ASR 9000 Series Router”
Setting the Card Type
3. Configure the serial interface that is
associated with the T3 controller
you configured in Step 2.
“Configuring Serial Interfaces on the
Cisco ASR 9000 Series Router”
“How to Configure Serial Interfaces”
Table 15 Overview: Configuring an E3 Serial Interface on a Clear Channel SPA
Step Task Module Section
1. Use the hw-module subslot
command to set serial mode for the
SPA to be E3.
“Configuring Clear Channel T3/E3 and
Channelized T3 and T1/E1 Controllers
on the Cisco ASR 9000 Series Router”
Setting the Card Type
2. Configure the E3 controller. “Configuring Clear Channel T3/E3 and
Channelized T3 and T1/E1 Controllers
on the Cisco ASR 9000 Series Router”
Setting the Card Type
3. Configure the serial interface that is
associated with the E3 controller
you configured in Step 2.
Configuring Serial Interfaces on the
Cisco ASR 9000 Series Router
How to Configure Serial Interfaces
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