VXLAN EVPN：深入了解数据包转发.pdf

1、#CiscoLive#CiscoLiveLukas Krattiger,Distinguished EngineerCCIE21921BRKDCN-3966VXLAN BGP EVPN FabricsA Day in the Life of a Packet 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveEnter your personal notes hereCisco Webex App Questions?Use Cisco Webex App to chat with the sp

2、eaker after the sessionFind this session in the Cisco Live Mobile AppClick“Join the Discussion”Install the Webex App or go directly to the Webex spaceEnter messages/questions in the Webex spaceHowWebex spaces will be moderated by the speaker until June 9,2023.1234https:/ 2023 Cisco and/or its affili

3、ates.All rights reserved.Cisco PublicBRKDCN-39663 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveAbstractA super long set of acronyms VXLAN EVPN,we want to get you the details to get you started.This session focuses on the Day in the Life of a VXLAN EVPN Packet.How we rou

4、te,bridge and how multi-destination traffic(BUM)is handled.This session will help you to understand what happens on the ingress VTEP all the way to the egress VTEP and beyond.4BRKDCN-3966 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveIntroductionWe are going to cover all

5、 different kind of Packet WalksRoute,Bridge,BUM and Silent Host DiscoveryA brief intro to VXLAN with EVPNSorry,not a VXLAN or VXLAN EVPN Intro Session5BRKDCN-3966Agenda 2023 Cisco and/or its affiliates.All rights reserved.Cisco PublicIntroduction to VXLAN EVPNLayer-3 Packet WalkLayer-2 Packet WalkBU

6、M Packet WalkSilent Host DiscoveryConclusion6BRKDCN-3966Introduction 2023 Cisco and/or its affiliates.All rights reserved.Cisco PublicWhat is VXLAN?8Standards based EncapsulationRFC 7348Uses UDP-EncapsulationTransport IndependentLayer-3 Transport(Underlay)Flexible Namespace24-bit field(VNID)provides