Cisco 8000 FIB Scale for Silicon One P100
This article aims to document and demonstrate FIB scale and capabilities for Cisco 8000 routers running Silicon One P100 ASIC.
Tutorials
May 2025
September 2024
Port Assignments on Cisco 8010/8100/8200, Cisco 8700, Cisco 8608, and Cisco 8800 Platforms (Part 2)
This article will highlight how ports are allocated to IFG/Slice/NPU for each Cisco 8000 line card and systems (Part 2).
Cisco 8000 Disk Encryption
This article aims to describe the disk encryption feature on Cisco 8000 routers. This functionality creates an encrypted partition where sensitive data such configuration, certificates and keys are stored.
July 2024
Cisco 8000 Software Upgrade with install replace & Golden ISO
This article describes how install replace procedure & Golden ISO file can be used to stage, patch, or upgrade the Cisco IOS XR Network Operation System (NOS) on a Cisco 8000.
Cisco 8000 Optics Firmware Management
This article aims at documenting QSFP-DD optical modules firmware upgrade on Cisco 8000 routers.
June 2024
Cisco 8000 Factory Reset
This article introduces factory reset functionnality which safely erases any sensitive data stored on the system.
March 2024
Cisco Live Melbourne 2023 – Cisco 8000 800G Performance Demo
This video first introduces the reason why industry needs 800G. It then covers the key ingredients needed to build dense 800G systems: SerDes, ASICs, optics and standards. It also explains the differences between 800G and 800GbE and 800GbE development and deployment timeline. Last, this video shows a live demo of a 36x800G line card delivering 2...
Cisco Live Melbourne 2023 – Cisco 8000 Peering Telemetry Demo
This video aims to list the requirements of an Internet peering router. It demonstrates how Cisco 8000 series routers, powered by Silicon One and IOS XR can meet them. The video shows live examples of telemetry collection: RPKI, FIB, Netflow, BGP, QoS, uRPF/RTBH/SRTBH and BGP Flowspec.
September 2023
Scaling Cisco 8000 BGP table to 25M paths
This article will demonstrate how Cisco 8000 Series routers can scale up to 25M BGP paths.
August 2023
Solving MPLS Traffic Engineering Bin-Packing problem with Cisco TE++ Auto-Capacity
This blog details Cisco’s TE++ Auto-bandwidth Capacity feature using a Cisco 8000 environment.
Cisco 8000 Hardware resources deep dive Part-1: Encapsulation database for label transport
This writeup explains label resource allocation details for labelled transport application for Cisco 8000 routers
MPLS QoS on Cisco 8000 series routing platforms
This writeup explains the MPLS-QOS applications on Cisco 8200/8800 routing platforms
July 2023
Cisco 8800 Fan Tray, Fabric Card & Line Card Replacement
This blog post details the steps required to replace a FT, FC and LC on a Cisco 8800 router.
March 2023
Cisco 8000 FIB Scale
This article will document how Silicon One Q100 and Q200 based systems can support current and future BGP scale for peering and core roles. Based on projected growth, tests will demonstrate they are also future proof. Last, a new feature introduced to increase FIB scale on Q200 will be demonstrated. Telemetry data will also be used to illustrate...
December 2022
Cisco 8000 PBTS Implementation (Basic)
This post aims to describe PBTS implementation on Cisco 8000 routers. It will go over feature operation, configuration, verification, and other notes like constraints and supported scale.
August 2022
Cisco 8000 software manageability: Golden ISO (GISO)
This tutorial will describe and illustrate how to generate a Golden ISO (GISO) image for Cisco 8000 routers. GISO can be used to stage, re-image, patch or upgrade Cisco 8000 routers.
Cisco 8000 software manageability: USB boot
This tutorial will describe and illustrate how to USB boot Cisco 8000 routers. This step-by-step procedure can be used to stage, re-image or recover a router from a boot failure.
Cisco 8000 software manageability: how to add a package
This blog post aims to describe IOS XR7 software operation details to add optional packages on a Cisco 8000 router.
Cisco 8000 software manageability: how to remove a package
This blog post aims to describe IOS XR7 software operation details to remove optional packages.
April 2022
Cisco 8000 NPU Traps Monitoring
On Cisco 8000, Network Processing Unit (NPU) traps are raised in response to the type of packets received by the router. This post will describe how to retrieve Cisco 8000 NPU traps counters through telemetry using gNMI interface.
March 2022
Port Assignments on Cisco 8100/8200, Cisco 8700, Cisco 8608, and Cisco 8800 Platforms (Part 1)
This article will highlight how ports are allocated to IFG/Slice/NPU for each Cisco 8000 line card and systems (Part 1).
December 2021
Cisco 8201 High Level Architecture and Performance
This short article will first cover Cisco 8201 high level internal architecture. Then, a quick and simple lab test will demonstrate how it can achieve 10.8Tbps at target Non-Drop Rate (NDR). This test will address recent concerns raised about its forwarding performance.