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Customizing the Configuration Output

You can customize the configuration information by including or excluding lines of output based on the keywords described in this section.

Using a keyword with the show configuration command might be more effective than using show configuration | begin. When show configuration is used with a specific keyword, the current configuration is quickly determined and displayed for only that specified keyword. Executing show configuration | begin causes all output of show configuration to be generated, but the output is not displayed until the begin criterion is met.

Use the virtual-router keyword to display the current configuration of a specified virtual router. You can combine the virtual-router keyword with the category keyword to display the current configuration of specific settings for a virtual router.

Use the interface keyword to display the current configuration of a particular interface. Use the type keyword to target specific interface types. You can exclude information about particular types of interfaces using the exclude-category interface keyword.You can exclude information about particular types of interfaces using the exclude-category interface keyword.

Use the category keyword to display the current configuration of a specific group of router settings. The settings are organized in categories by function.

Use the tag-group keyword with the category interfaces keywords to tag interfaces as belonging to a specific group and display all interfaces within a group.

Use the tag-group command to configure an interface tag group. Any number of interfaces can be in a tag group. The following interface types cannot be added to tag groups: tunnel, lag, mlppp, and mlframe-relay. An interface can be in only one tag group.

Table 31 describes the categories of router settings and the type of information displayed for each category.

Table 31: Categories of Router Settings

Category	Configuration Displayed
aaa	Authentication, authorization, and accounting (AAA) settings, such as the default authentication protocol and the RADIUS accounting server
address-assignment	Address assignment settings for Dynamic Host Configuration Protocol (DHCP) and the local address server
flow-management	Flow management settings, such as firewalls, Network Address Translation (NAT), and IP flow statistics
interfaces	Physical interfaces (types and specifiers); this is the only category that displays information about interfaces
ip-protocols	Internet protocols, such as Border Gateway Protocol (BGP) and Open Shortest Path First (OSPF)
link-layer-forwarding	Link-layer settings, such as bridged interfaces and link-layer interface types
management	Router management settings, such as the CLI, bulk statistics, and Telnet
physical-layer-protocols	Physical layer protocols, such as DS1, DS3, and SONET/SDH
policy	Policy settings, such as policy lists, classifier groups, and rate-limit profiles
qos	Quality of service (QoS) settings, such as traffic class, drop profile, and scheduler profile
system	System-level settings, such as timing, logging, and redundancy
tunneling	Tunneling protocols, such as IP Security (IPSec), Multiprotocol Label Switching (MPLS), and Layer Two Tunneling Protocol (L2TP)

Many of the categories described in Table 31 contain subcategories of router settings. For example, you can specify show configuration category management cli to display only the configuration for the CLI. To display the names of subcategories that you can specify for each category, issue the show configuration category categoryName ? command.

You can combine the category keyword with the virtual-router keyword to display the current configuration of specific settings for a virtual router.

Note: When you specify categories with the show configuration command, the output might display additional configuration data that is not explicitly associated with the categories that you specified.

service show-config

Use to define the show configuration command display output.
Specify format 1 to display the show configuration command output in its original format.
Specify format 2 to significantly reduce the amount of time it takes to generate and display output for configurations that contain three or more virtual routers and a large number of interfaces.
Examplehost1#service show-config format 2
Use the no version to revert the show configuration command output format to its default (format 1).
See service show-config.

show configuration

Use to display the current configuration of the system, a specified virtual router, a specified interface, or a specified category of router settings.
This command was formerly documented as show config; that abbreviation is still supported.
You can create a configuration script from the output by saving it as a file with the .scr extension.
This command provides configuration information based on the privilege level of the session (user). The output does not display any configuration data for commands that have privilege levels higher than that of the session. For example, if the session is enabled at level 5, issuing the show configuration command displays only output for commands at level 5 and below. For more information, see CLI Command Privileges.
You can use the output filtering feature of the show command to include or exclude lines of output based on a text string you specify. See Command-Line Interface, for details.

Example

host1# show configuration
! Configuration script being generated on TUE JAN 29 200X 00:31:12 UTC! Juniper Networks Edge Routing Switch ERX-700
! Version: x.y.z (January 18, 200X 15:01)
! Copyright (c) 1999-200X Juniper Networks, Inc. All rights reserved.
Commands displayed are limited to those available at privilege level 10
! Juniper Networks Edge Routing Switch ERX-700
boot config running-configuration
boot system erx_x-y-z.rel
no boot backup
no boot subsystem
no boot backup subsystem
no boot force-backup
!
! Note: The following commands are here to ensure that all virtual routers and
! vrfs are created before other commands that may need to reference them.
! These commands will be repeated further on as each virtual router and vrf
! has its configuration presented.
!
virtual-router default
virtual-router boston
!
ip vrf vpna
virtual-router vrA
!
hostname host1
exception protocol ftp anonymous null
!
controller t1 6/0
channel-group 2 timeslots 1,3-8,10 speed 64
.
.
.
!
virtual-router vrA
aaa authentication ppp default radius
aaa accounting ppp default radius
!
ip address-pool local
interface null 0
ip bgp-community new-format
no ip source-route
!
snmp-server
!
! End of generated configuration script.
Example using interface keyword:
host1# show configuration interface serial 4/0
interface atm 4/0
atm vc-per-vp 1024
atm uni-version 3.0
!
interface atm 4/0.1 point-to-point
profile pppoe myProfile
qos-profile myQosProfile
!
interface atm 4/0.2 point-to-point
qos-profile myQosProfile
ip description TestIP
!
interface atm 4/0.3 point-to-point
Example using category keyword:
host1# show configuration category system file-system
boot config running-configuration
boot system m.rel
no boot backup
no boot subsystem
no boot backup subsystem

See show configuration.

show running-configuration

Use to display the configuration currently running on the router, a specified virtual router, a specified interface, or a specified category of router settings.
Examplehost1#show running-configuration
Example 2host1#show running-configuration interface serial 4/0
Example 3host1#show running-configuration category system file-system
See show running-configuration.

tag-group

Use to configure an interface tag group.
Any number of interfaces can be in a tag group.
Interface types tunnel, lag, mlppp, and mlframe-relay cannot be added to tag groups.
An interface can be in only one tag group.
Examplehost1(config-if)#tag-group red
Use the no version to remove the tag group.
See tag-group.

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