Cisco ASR 9000 User Manual

118
Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide
OL-28417-02
Chapter CLI Tips, Techniques, and Shortcuts
Displaying System Information with show Commands
In the following example, the show interface command includes only lines in which the expression
“protocol” appears:
RP/0//CPU0:router# show interface | include protocol
Null0 is up, line protocol is up
0 drops for unrecognized upper-level protocol
/2/0/0 is administratively down, line protocol is administratively down
0 drops for unrecognized upper-level protocol
/2/0/1 is administratively down, line protocol is administratively down
0 drops for unrecognized upper-level protocol
/2/0/2 is administratively down, line protocol is administratively down
0 drops for unrecognized upper-level protocol
/2/0/3 is administratively down, line protocol is administratively down
0 drops for unrecognized upper-level protocol
MgmtEthernet0//CPU0/0 is administratively down, line protocol is administratively
down
MgmtEthernet0//CPU0/0 is administratively down, line protocol is administratively
down
0 drops for unrecognized upper-level protocol
Note Filtering is available for submodes, complete commands, and anywhere that <cr> appears in the “?”
output.
show command | file device0:path/file
Saves output of the show command to the specified file on the specified
device.
show command | utility name
Displays a set of UNIX utilities:
• cut—Cuts characters or lines from the output displayed from standard
input or a file.
• egrep—Searches a file using full regular expressions.
• fgrep—Searches a file for a fixed character string.
• head—Copies bytes or lines at the beginning of the output displayed
from standard input or a file.
• less—Displays the output of a file in a page-by-page manner.
• sort—Sorts, merges, or sequence-checks the output displayed from
standard input or a file.
• tail—Copies the end portion of the output displayed from standard
input or a file.
• uniq—Displays or removes repeated lines in a file.
• wc—Count words, lines, or bytes in a file.
• xargs—Invokes a program from one or more argument lists.
Table 25 show Command Filter Options
Command Description

Cisco ASR 9000 Specifications

General

Operating System	Cisco IOS XR
Management	CLI, SNMP, NETCONF, RESTCONF
Type	Edge Router
Interface Support	10G, 40G, 100G, 400G
Power Supply	AC and DC options available
Routing Protocol	BGP, IS-IS, OSPF, EIGRP
Storage	SSD
Operating Temperature	0 to 40°C (32 to 104°F)
Humidity	5 to 95% (noncondensing)
Redundancy	Yes (Power, Fabric, Route Processor)
MTBF	Varies by model (typically > 200, 000 hours)

Summary

Introduction to the Cisco ASR 9000 Series Aggregation Services Router

Management and Security Features

Initial Router Configuration

Explains the initial router configuration process upon booting.

Router Management Interfaces

Selecting and Identifying the Active RSP/DSC

Guides on selecting and identifying the active RSP/DSC for router operation.

Connecting to the Router via Console Port

Provides steps for connecting to the router using the console port for initial setup.

Bringing Up Cisco IOS XR Software on the Router

Prerequisites for Bringing Up IOS XR Software

Bringing Up and Configuring a Standalone Router

Guides on connecting and configuring username/password for a standalone router.

Verifying System After Initial Boot

Provides procedures to verify the router's status after the initial boot.

Configuring General Router Features

Connecting and Communicating with the Router

Explains how to establish communication with the router via CLI.

Logging In to a Router or SDR

Details the process of logging into the router using username and password.

User Access Privileges

Navigating Cisco IOS XR Command Modes

Managing Configuration Sessions

Details the two-stage process for making and committing configuration changes.

Configuring Additional Router Features

Configuring Telnet, HTTP, and XML Host Services

Managing Configuration History and Rollback

Explains how to manage committed configuration changes and perform rollbacks.

Creating and Modifying User Accounts and Groups

CLI Tips, Techniques, and Shortcuts

CLI Tips and Shortcuts

Displaying System Information with show Commands

Explains how to use show commands to display system status and configuration.

Troubleshooting the Cisco IOS XR Software

Basic Troubleshooting Commands

Introduces basic commands for diagnosing connectivity and router operation.

Configuration Error Messages

Explains how to display and interpret configuration error messages.

Memory Warnings in Configuration Sessions

Covers low-memory warnings and how to resolve them.

Troubleshooting Interfaces Not Coming Up

Provides steps to verify and troubleshoot interface status issues.