Service Providers Knowledge Base

XR-vm - CLI's Description show context look for any process crash, review time stamp[if it is too old, then no immediate action needed]show redundancyverify if standby state  is Ready and NSR-Readyshow proc cpu | exclude " 0%"look for processes ho...

IntroductionBefore we startHigh level forwarding overviewTroubleshooting fabric issues Steps to debug packet drops Step 1) Look for active PFM alarms on LC as well as RSPs.Step 2) Check if your hardware FPGA versions are up-to-date Step 3) Follow th...

Introduction:Label Switched Multicast (LSM):Why LSM ?MPLS vs IP:LSM FORWARDING:Advantages of MPLS over IP:Multicast LDP:MLDP - FEC:Multicast LSP Types:MP2MP – Basic Operation:P2MP – Basic Operation:LSP-VIF:MVPN:Related Information: Introduction: In t...

OverviewMonitoring Power-supplies is done using the ENTITY-MIB (RFC-2737) and MIBs which extend/supplement the ENTITY-MIB.  The ENTITY-MIB’s entPhysicalTable defines the MIB identifierfor an inventory item, entPhysicalIndex, which is used by the othe...

IntroductionFeature componentsMonitor sessionInterface attachmentStart/stop packet capturetcpdump shell toolConfiguration examplesSimple SPAN to File configurationSPAN to File configuration with ACL filteringSPAN to File configuration with ACL filter...

Effective immediately, the Cisco Software Manager (CSM) utility is no longer being developed or maintained. Currently, there is no replacement utility for automated software management.  For instructions on how to manually perform IOS-XR upgrades an...

The Cisco Document Team has posted an article. This document describes how to troubleshoot CPS(Cisco Policy Suite) VM restart issue caused by CentOS kernel crash. Know of something that needs documenting? Share a new document r...

Hi XR community,   Looking for feedback as we plan to launch a public repository for xr7 images and need field input to get the project off the ground with how it will change the future of xr. The idea is that in xr7 you define a repository for the ...

BRKSPG-2904 Cisco Live US - Orlando 2013 (xander)BRKSPG-2904 Cisco Live Europe - Milan 2014 (aleks)BRKSPG-2904 Cisco Live US - San Francisco 2014 (xander)BRKSPG-2904 Cisco Live US - San Diego 2015 (xander)BRKSPG-2904 Cisco Live Europe - Berlin 2016 (...

OverviewManual deployment of new network devices is time consuming. When you must deploy hundreds or thousands of devices, automating the deployment process is the only practical approach.This demonstration presents the Zero-Touch Provisioning Advanc...

Condition: In certain network scenarios where network admin require correctly process exception packets in MAPT inline solution than below document help community to understand ASR9k In-line CGN solution using VSM card. Solution:  IN-LINE MAP-T / ...

The Cisco Document Team has posted an article. This document describes the procedure to verify Hardware (HW) Virtual Output Queueing (VoQ) programming on a multichassis NCS4K. Know of something that needs documenting? Share a n...

IntroductionThe Benefits of ACL Based ForwardingABF ConfigurationDescriptionSolutionConfiguring TrackingNull0 to drop trafficABF Support MatrixLine Cards SupportScale SupportLoad BalancingTroubleshooting Introduction In today’s high performance inter...

The Cisco Document Team has posted an article. This document describes how to troubleshoot when the MPLS forwarding path is broken due to L2 header corruption on NCS4K node (6.5.26). Know of something that needs documenting? Sh...

The Cisco Document Team has posted an article. This document describes the process to verify end-to-end connectivity across a segment routing Service Provider (SP) with Cisco IOS® XR software. Know of something that needs docum...