Hi On IOS XR based systems, null0 drops are reported in 'show cef drops' command: RP/0/RP0/CPU0:8201-32FH#sh cef drops Tue Aug 8 15:27:42.851 UTC CEF Drop Statistics Node: 0/RP0/CPU0 Unresolved drops packets : 0 Unsupported dro...

Hi Yes, NCS4k 400G linecard is for DWDM/OTN.

Hi Joseph,You can have a look at Cisco Routed Optical Networking guide published on xrdocs.io : https://xrdocs.io/design/blogs/latest-routed-optical-networking-hldWritten by @phbedard , it covers motivation and technologies behind RON, but also the h...

Hi,   You must use SE version of RP/RSP and linecard. See Hardware Requirements from CCO documentation: https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r6-2/bng/configuration/guide/b-bng-cg-asr9000-62x/b-bng-cg-asr9000-62x_chapte...

Hi   BNG feature/PPPoE termination is not handled by ASR 9000/9900 fabric cards. Therefore, your PPPoE scale will not be dependent of number of fabric cards installed in the chassis or their version.   Fabric Cards however play a role in the forwardi...