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Defining the Configuration Output Format

The JUNOSe show configuration command displays the entire system configuration. For very large configurations, the show configuration report can take a long time to generate and display.

The service show-config format command enables you to run the show configuration command using one of two formats—original format (format 1; the default) and a format that provides a much faster output (format 2). Using format 2 can significantly reduce the amount of time it takes to generate and display configurations that contain three or more virtual routers and a large number of interfaces.

The primary difference between format 1 and format 2 output is the way in which each displays layer 2 and layer 3 interface configurations. Table 30 indicates where layer 2 and layer 3 interface configurations appear within the show configuration command output when the system is using format 1 or format 2.

Table 30: Output Locations for Layer 2 and Layer 3 Interface Configurations

Format	Layer 2 Only Interfaces	Layer 3 Only Interfaces	Layer 2 and Layer 3 Combination Interfaces
Format 1	Entire configuration appears in the default router output	Entire configuration appears in the layer 3 virtual router output	Layer 2 configuration appears in the default router the layer 3 virtual router output
Format 2	Entire configuration appears in the default router output	Entire configuration appears in the layer 3 virtual router output	Layer 2 configuration appears in the default router output; layer 3 configuration appears in the layer 3 virtual router output

The following examples show the differences between format 1 and format 2 output:

Example 1

Format 1 output

virtual-router default
…
interface null 0
interface loopback 0
 ip address 127.0.0.1 255.0.0.0
! 
interface ip shAtm50126
 ip share-interface atm 5/0.126
! 
interface ip MikeShare2
 ip share-interface atm 5/1.1
! 
interface atm 5/0
interface atm 5/0.100 point-to-point
 atm pvc 100 0 100 aal5snap 0 0 0
 encapsulation pppoe
 pppoe sessions 1
! 
interface atm 5/0.100.1
 encapsulation ppp
 ppp authentication chap
 ip address 102.0.1.1 255.255.255.0
! 
interface atm 5/0.102 multipoint
 atm pvc 1021 0 1021 aal5snap 0 0 0
 atm pvc 1022 0 1022 aal5snap 0 0 0
 atm pvc 1023 0 1023 aal5snap 0 0 0
 ip address 102.0.2.1 255.255.255.0
! 
interface atm 5/0.103 point-to-point
 atm pvc 103 0 103 aal5snap 0 0 0
 encapsulation bridge1483
 ip address 100.0.0.1 255.255.255.0
 pppoe
! 
pppoe subinterface atm 5/0.103.1
 encapsulation ppp
 ppp authentication pap
 ip address 100.0.1.1 255.255.255.0
!         
interface atm 5/0.104 point-to-point
 atm pvc 104 0 104 aal5snap 0 0 0
 ip address 150.0.1.1 255.255.255.0
 ipv6 address 2000:0:17::1/60
! 
interface atm 5/0.126 point-to-point
! 
interface atm 5/1
interface atm 5/1.1 point-to-point
interface atm 5/1.100 point-to-point
 atm pvc 100 0 100 aal5snap 0 0 0
 encapsulation pppoe
 pppoe sessions 1
! 
interface atm 5/1.100.1
 encapsulation ppp
 ppp authentication chap
! 
interface atm 5/1.102 multipoint
 atm pvc 1021 0 1021 aal5snap 0 0 0
 atm pvc 1022 0 1022 aal5snap 0 0 0
 atm pvc 1023 0 1023 aal5snap 0 0 0
! 
interface atm 5/1.103 point-to-point
 atm pvc 103 0 103 aal5snap 0 0 0
 encapsulation bridge1483
 pppoe
! 
pppoe subinterface atm 5/1.103.1
 encapsulation ppp
 ppp authentication pap
! 
interface atm 5/1.104 point-to-point
 atm pvc 104 0 104 aal5snap 0 0 0
! 
interface atm 5/1.125 point-to-point
! 
interface fastEthernet 0/0
 ip address 10.13.5.196 255.255.128.0
! 
interface mlppp joe
! 
ip route 0.0.0.0 0.0.0.0 10.13.5.1
ip route 40.0.0.0 255.0.0.0 atm5/0.104
ip route 172.28.32.70 255.255.255.255 10.13.5.1
no ip source-route
! 
! 
ipv6
!         
! ============================================================================
virtual-router foo
…
interface null 0
interface loopback 0
 ip address 127.0.0.2 255.0.0.0
! 
interface atm 5/1.100.1
 ip address 102.0.1.2 255.255.255.0
! 
interface atm 5/1.102
 ip address 102.0.2.2 255.255.255.0
! 
interface atm 5/1.103
 ip address 100.0.0.2 255.255.255.0
!         
interface atm 5/1.103.1
 ip address 100.0.1.2 255.255.255.0
! 
interface atm 5/1.104
 ip address 150.0.1.2 255.255.255.0
 ipv6 address 2000:0:17::2/60
! 
ip route 30.0.0.0 255.0.0.0 atm5/1.104
no ip source-route
! 
! 
ipv6

Example 2

Format 2 output

service show-config format 2
…
virtual-router default
…
interface atm 5/0
interface atm 5/0.100 point-to-point
 atm pvc 100 0 100 aal5snap 0 0 0
 encapsulation pppoe
 pppoe sessions 1
! 
interface atm 5/0.100.1
 encapsulation ppp
 ppp authentication chap
!         
interface atm 5/0.102 multipoint
 atm pvc 1021 0 1021 aal5snap 0 0 0
 atm pvc 1022 0 1022 aal5snap 0 0 0
 atm pvc 1023 0 1023 aal5snap 0 0 0
! 
interface atm 5/0.103 point-to-point
 atm pvc 103 0 103 aal5snap 0 0 0
 encapsulation bridge1483
 pppoe
! 
pppoe subinterface atm 5/0.103.1
 encapsulation ppp
 ppp authentication pap
! 
interface atm 5/0.104 point-to-point
 atm pvc 104 0 104 aal5snap 0 0 0
! 
interface atm 5/0.126 point-to-point
! 
interface atm 5/1
interface atm 5/1.1 point-to-point
interface atm 5/1.100 point-to-point
 atm pvc 100 0 100 aal5snap 0 0 0
 encapsulation pppoe
 pppoe sessions 1
!         
interface atm 5/1.100.1
 encapsulation ppp
 ppp authentication chap
! 
interface atm 5/1.102 multipoint
 atm pvc 1021 0 1021 aal5snap 0 0 0
 atm pvc 1022 0 1022 aal5snap 0 0 0
 atm pvc 1023 0 1023 aal5snap 0 0 0
! 
interface atm 5/1.103 point-to-point
 atm pvc 103 0 103 aal5snap 0 0 0
 encapsulation bridge1483
 pppoe
! 
pppoe subinterface atm 5/1.103.1
 encapsulation ppp
 ppp authentication pap
! 
interface atm 5/1.104 point-to-point
 atm pvc 104 0 104 aal5snap 0 0 0
! 
interface atm 5/1.125 point-to-point
! 
interface fastEthernet 0/0
interface null 0
interface loopback 0
 ip address 127.0.0.1 255.0.0.0
! 
interface ip shAtm50126
 ip share-interface atm 5/0.126
! 
interface ip MikeShare2
 ip share-interface atm 5/1.1
! 
interface mlppp joe
interface fastEthernet 0/0
 ip address 10.13.5.196 255.255.128.0
! 
interface atm 5/0.100.1
 ip address 102.0.1.1 255.255.255.0
! 
interface atm 5/0.102
 ip address 102.0.2.1 255.255.255.0
! 
interface atm 5/0.103
 ip address 100.0.0.1 255.255.255.0
! 
interface atm 5/0.103.1
 ip address 100.0.1.1 255.255.255.0
!         
interface atm 5/0.104
 ip address 150.0.1.1 255.255.255.0
 ipv6 address 2000:0:17::1/60
! 
ip route 0.0.0.0 0.0.0.0 10.13.5.1
ip route 40.0.0.0 255.0.0.0 atm5/0.104
ip route 172.28.32.70 255.255.255.255 10.13.5.1
no ip source-route
! 
! 
ipv6
! 
! ============================================================================
virtual-router foo
…
interface null 0
interface loopback 0
 ip address 127.0.0.2 255.0.0.0
! 
interface atm 5/1.100.1
 ip address 102.0.1.2 255.255.255.0
! 
interface atm 5/1.102
 ip address 102.0.2.2 255.255.255.0
! 
interface atm 5/1.103
 ip address 100.0.0.2 255.255.255.0
! 
interface atm 5/1.103.1
 ip address 100.0.1.2 255.255.255.0
! 
interface atm 5/1.104
 ip address 150.0.1.2 255.255.255.0
 ipv6 address 2000:0:17::2/60
! 
ip route 30.0.0.0 255.0.0.0 atm5/1.104
no ip source-route
!

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