About Aleksandar Vidakovic

Aleksandar Vidakovic · 10-11-2023

IntroductionIOS XR Numbering SchemeIOS XR Extended Maintenance Release (EMR)IOS XR "Service" ReleaseBenefits Of Upgrading To A Most Recent EMR/SRWhat IOS XR Release Is Cisco Suggesting?Managing Your IOS XR Install Base64-bit vs 32-bit vs XR7 IOS XRSu...

Aleksandar Vidakovic · 09-30-2020

Service flow verification and forwarding troubleshooting have just been made much easier with the introduction of the XR Embedded Packet Tracer framework. The first platform on which this functionality is supported is the ASR9000, starting with rel...

Aleksandar Vidakovic · 08-27-2020

Introduction This document and the accompanying script helps users of 64-bit IOS XR identify unnecessary files on file systems, that can lead over time to disk space shortage. A high number of showtechs or coredumps, SW packages copied to a disk are...

Aleksandar Vidakovic · 04-26-2019

ASR9000 routers support for In Service Software Upgrade for Cisco IOS XR 64 Bit. ISSU significantly minimises disruption on the control plane and forwarding plane during software upgrade. To allow for a new instance of the XR operating system, runni...

Aleksandar Vidakovic · 04-24-2019

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 (...

Aleksandar Vidakovic · 02-26-2024

hi @yasir.ilyas , that's because only BoB is configured in interface config mode, while all other BFD sessions are configured in the BFD client application. So if you want to protect your ISIS session with BFD, you have to configure that under ISIS c...

Aleksandar Vidakovic · 02-26-2024

hi @yasir.ilyas , in IOS XR BFD is always configured under the client (ISIS, OSPF, BGP, static route, etc.). Only in the case of BFD Over Bundle (BoB) you configure BFD under Bundle-Ether interface configuration. Even in that case, though, you are ac...

Aleksandar Vidakovic · 02-05-2024

hi @aariaei , if you are protecting the SRTE policy with BFD, in that case BFD packets will be encapsulated into MPLS (or SRv6). E.g.: segment-routing traffic-eng policy foo bfd minimum-interval 500 multiplier 3 invalidation-action ...

Aleksandar Vidakovic · 12-04-2023

hi @aariaei , I suppose you are referring to multi-hop BFD session. BFD is not SR aware, it doesn't know what is a SID label. On IOS XR routers BFD has a shortcut into forwarding plane, to ensure that packets are sent out as quickly as possible. As a...

Aleksandar Vidakovic · 09-29-2023

hi @oeche , maybe I'm missing something, but if you are looking for independence from the control plane, shouldn't you be asking for the opposite? https://datatracker.ietf.org/doc/html/rfc5880 reads: Control Plane Independent (C) If set, the t...

Member Since	‎08-06-2003 10:53 PM
Date Last Visited	‎04-03-2024 12:05 AM
Posts	638
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IOS XR Release Strategy and Deployment Suggestion

XR Embedded Packet Tracer

How to identify unnecessary files on devices running 64-bit IOS XR

ASR9000 64-bit IOS XR: Increase RAM available to XR VM by disabling ISSU

Cisco Live BRKSPG-2904 - ASR9000 Selected Topics and Troubleshooting

Re: BFD Support on Cisco ASR9000

Re: BFD Support on Cisco ASR9000

Re: Protecting Multihop BFD during RLFA/TI-LFA Local Repair

Re: Protecting Multihop BFD during RLFA/TI-LFA Local Repair

Re: BFD Support on Cisco ASR9000