[JunOS/Cisco IOS] Setting up an EtherChannel between Juniper and Cisco devices

Cisco devices by default use PAgP (Port Aggregation Protocol) when establishing EtherChannel connections between devices.  PAgP is a proprietary protocol that is exclusive to Cisco systems.  LACP is a protocol that accomplishes the same thing but is universal and thus available on Juniper devices.  Here’s how to set them up. Cisco side.  Here’s the configuration […]

[CentOS 7.1] dracut-initqueue[314]: Warning: /dev/centos/swap does not exist

THE RESOLUTION OF THIS PROBLEM IN THIS POST IS DIRECTLY RELATED TO SYSTEMS RUNNING ARECA RAID CONTROLLERS BUT MAY APPLY TO OTHER SYSTEMS REQUIRING DISK RELATED DRIVERS. Upon booting a server after a CentOS kernel upgrade it was no longer able to boot.  The update was specifically from kernel 3.10.0-123.el7.x86_64 to 3.10.0-229.11.1.el7.x86_64 but these details have nothing […]