That's not entirely accurate - Cisco open sourced VPP which they use in many products: https://blogs.cisco.com/sp/a-bigger-helping-of-internet-please https://b

That's not entirely accurate - Cisco open sourced VPP which they use in many products: https://blogs.cisco.com/sp/a-bigger-helping-of-internet-please https://blogs.cisco.com/sp/a-bigger-helping-of-internet-plea... https://docs.fd.io/vpp/16.09/ https://docs.fd.io/vpp/16.09/ While they still obviously make custom ASICs, they've moved towards more software where possible.