Junos

Configuration

• Deactivate - configuration is not loaded
• Disable - Configuration is loaded by ignored

• Trunk - has vlan tags
• Access - naked ethernet

• Fx / ex0 = management

show configuration | display inheritance no-comments
show configuration | display inheritance no-comments | display set | match foo

Loading config

configure private
load replace /var/tmp/someconfig.cfg
show | compare
commit check
commit <synchronize> and-quit

Routing

Display all routes in a routing-instance (cant use auto complete)

show route table <routing-instance_name>

show route receive-protocol bgp <neighbour IP>
show route instance <name> detail
deactivate routing-instances <name> protocols bgp group <group name / Domestic> neighbour <IP>

MTU testing

ping routing-instance <name> <IP> size 1500

Disable an interface carrying MPLS

• Disable ISIS @ both ends set protocols isis interface [x] level 2 metric 30 disable
• Wait for tarffic to close /end then shutdown the interface

CGN

show services nat mappings address-pooling-paired

Inital Build

request system configuration rescue save
request system autorecovery state save
request system snapshow slice alternative

Hardware

show interfaces diagnostics optics xe-1/0/0
show system processes extensive | match chassisd
help topic interfaces family

• Ifdown set interfaces ge-0/0/7 disable
• Ifup delete set interfaces ge-0/0/7 disable