Here, when all have the same (common) configuration, group one will be active. That is
apply-group ONE
TWO
is active. If group ONE is deleted, then group TWO will be active.
Configuration Examples Using Regular Expressions
Configuration Group with Regular Expression: Example
This example shows the definition of a configuration group for configuring Gigabit Ethernet interfaces with
ISIS routing parameters, using regular expressions for the exact interface:
RP/0/RP0/CPU0:router(config)#
group g-isis-gige
RP/0/RP0/CPU0:router(config-GRP)#
router isis '.*'
RP/0/RP0/CPU0:router(config-GRP-isis)#
interface 'GigabitEthernet.*'
RP/0/RP0/CPU0:router(config-GRP-isis-if)#
lsp-interval 20
RP/0/RP0/CPU0:router(config-GRP-isis-if)#
hello-interval 40
RP/0/RP0/CPU0:router(config-GRP-isis-if)#
address-family ipv4 unicast
RP/0/RP0/CPU0:router(config-GRP-isis-if-af)#
metric 10
RP/0/RP0/CPU0:router(config-GRP-isis-if-af)#
end-group
RP/0/RP0/CPU0:router(config)#
To illustrate the use of this configuration group, assume that you want to configure these Gigabit Ethernet
interfaces with the ISIS routing parameters:
router isis green
interface GigabitEthernet0/0/0/0
lsp-interval 20
hello-interval 40
address-family ipv4 unicast
metric 10
!
!
interface GigabitEthernet0/0/0/1
lsp-interval 20
hello-interval 40
address-family ipv4 unicast
metric 10
!
!
interface GigabitEthernet0/0/0/2
lsp-interval 20
hello-interval 40
address-family ipv4 unicast
metric 10
!
!
interface GigabitEthernet0/0/0/3
lsp-interval 20
hello-interval 40
address-family ipv4 unicast
metric 10
!
!
!
There are three possible ways to use the configuration group to configure these interfaces. The first is by
applying the group within the interface configuration, as shown here:
router isis green
interface GigabitEthernet0/0/0/0
apply-group g-isis-gige
!
!
interface GigabitEthernet0/0/0/1
System Management Configuration Guide for Cisco NCS 5000 Series Routers, IOS XR Release 6.2.x
89
Configuring Flexible Command Line Interface
Configuration Examples Using Regular Expressions