Archive of posts with year '2021'

EX3400 Disk Space and Upgrades

The Juniper EX3400 switch series is a decent access switch. But a Product Manager chose to save $0.50 on COGS by choosing a 2GB disk. That’s just not enough space...

Juniper ARP Policer on PTX

I’ve written before about the default ARP policer on Juniper MX. It can create some odd failure conditions when you’re connected to noisy networks such as large Internet Exchanges. Junos...

Juniper i40e NVM Firmware Upgrade

Juniper Routing Engines with VM Host need an i40e NVM firmware upgrade. The procedure is a pain in the ass, and documentation is not great. But you can’t avoid the...