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DHCP option TFTP boot Cisco ISR1100 config comman issue

plejon
Level 1
Level 1

We're booting out-of-the-box ISR1100 devices with dhcp.

 

The switch gets an ip from DHCP and TFTP location for config file.

example: tftp:/cisco/configs/<device mac addr>.cfg

 

this works normally and the router downloads the config file which contains basic configuration.

AAA, NTP SNMP etc..

 

However, when applying the downloaded config.

All config i applied, except the service instance on Gi0/0/0 interface

 

Example:

 

interface GigabitEthernet0/0/0
 no ip address
 negotiation auto
 no cdp enable
 service instance 5 ethernet
  description ipo_mgmt
  encapsulation dot1q 5
  rewrite ingress tag pop 1 symmetric
  bridge-domain 5

 !
!

 

 

!

interface BDI5
 ip address 10.32.157.3 255.255.255.0

!

 

 

 

But we're instead seeing this config in gi0/0/0 when using console to access the router.

!

interface GigabitEthernet0/0/0
 no ip address
 negotiation auto
 no cdp enable

!

 

 

The router applies all configuration except the "service instance" statement on the uplink. And we lose connectivity.

 

 

We're using IOS XR 16.07.01

 

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