Link local addresses have a scope limited to the network segment of the holding interface. In IPv4, link local range is 169.254/16 and in IPv6 range is fe80::/10. IPv4 link local addresses are used in most cases when automatic IP addresses is desired for a specific interface, but there is no DHCP server to assign […]
Monthly Archives: March 2015
Juniper Zero Touch Provisioning in action on QFX 5100
Juniper ZTP (Zero Touch Provisioning) feature allows us to provision an out-of-the-box Juniper QFX switch without remote hands (to the cli). ZTP can be triggered either after a system factory defaults (>request system zeroize) or by enabling dhcp client on an interface facing the dhcp server or by committing # set chassis auto-image-upgrade . Deploying […]
WordPress custom contact form does not display text or redirect
The WordPress Custom Contact Form did not display the “Thank you” text after submitting my contact form, nor it was redirecting when I changed it to. I saw that php was returning correct JSON code: {“success”:true,”action_type”:”redirect”,”completion_redirect_url”:”… After enabling Firebug debugging in Firefox, I came across this interesting message: The thing with ajax/jquery scripts is that […]
Juniper ACX: Layer 2 bridge between access interfaces
[edit] admin@juniper-acx# show interfaces ge-0/1/8 flexible-vlan-tagging; encapsulation flexible-ethernet-services; unit 100 { encapsulation vlan-bridge; vlan-id 100; family bridge; } unit 200 { encapsulation vlan-bridge; vlan-id 200; family bridge; } [edit] admin@juniper-acx# show interfaces ge-0/1/5 flexible-vlan-tagging; encapsulation flexible-ethernet-services; unit 100 { encapsulation vlan-bridge; vlan-id 100; family bridge; } unit 200 { encapsulation vlan-bridge; vlan-id 200; family bridge; […]
How to show Juniper platform and Junos version
root@hub-vSRX1> show version Hostname: hub-vSRX1 Model: firefly-perimeter JUNOS Software Release [12.1X47-D20.7]
How to load config from file in Junos
Saving configuration to file in Junos [edit] root@hub-vSRX1# show | save configuration.txt Wrote 280 lines of output to ‘configuration.txt’ [edit] root@hub-vSRX1# save configuration.txt Wrote 280 lines of configuration to ‘configuration.txt’ Loading configuration from a file [edit] root@hub-vSRX1# load ? Possible completions: factory-default Override existing configuration with factory default merge Merge contents with existing configuration override […]