1.1.a Describe basic software architecture differences between IOS and IOS XE


1.1.a (ii) Impact to troubleshooting and performances

  • IOS XE retains the exact same look and feel of IOS, provides enhanced future-proofing and improved functionality
  • IOS XE (IOS 15.0) runs as a single daemon within a Linux operating system
  • Additional system functions now run as additional, separate processes in the host OS environment
  • IOSd within the IOS XE environment supports multiple threads and multi-core CPUs
  • Wireshark and Mediatrace included, runs separately from IOS