ARP Broadcast Suppression on a VXLAN BGP EVPN Network How Do I Configure VXLAN BGP EVPN? EVPN Overview Basic Concepts of EVPN Why is EVPN developed? In the initial VXLAN solution (RFC 7348), no control plane is defined. VXLAN tunnels are manually configured, and host addresses are learned th...
SRv6支持多种业务场景,比较常见的是BGP L3VPN和BGP EVPN场景。SRv6场景BGP Update消息一个比较明显的变化是增加了与SRv6相关的BGP Prefix-SID属性。而其他的Path Attribute和NLRI信息基本没有变化,BGP L3VPN场景的NLRI格式可以参考BGP UPDATE;BGP EVPN场景的NLRI格式可以参考EVPN。以下介绍BGP Prefix-SID的扩展。 SRv...
no ip redirectsip local-proxy-arp <-- Sets CGW to Proxy reply even for local subnet ARP requestsip pim sparse-modeip route-cache same-interface <-- This is auto added when local-proxy-arp is configured. However, this is a legacy 'fast switching' command that is no...
VXLAN MP-BGP EVPN spine and leaf架构使用MP-BGP EVPN作为控制平面。作为MP-BGP的扩展,MP-BGP EVPN使用VRF构造继承了VPN对多租户的支持。在MP-BGP EVPN中,多个租户可以共存并共享一个公共IP传输网络,同时在VXLAN覆盖网络中拥有自己的独立VPN(图19)。 在VXLAN MP-BGP EVPN spine and leaf网络中,VNIs通过不允许...
配置apply redirect vpn-target vpn-target-import命令后,过滤出的流量会重定向到和vpn-target-import匹配的L3VPN,同时配置redirect vpn-target include-evpn-preferred命令后,过滤出的流量会优先重定向到和vpn-target-import匹配的EVPN L3VPN,若未匹配到EVPN L3VPN,过滤出的流量会重定向到和vpn-target-import匹配的L3VPN...
01-HH3C-ARP-RATELIMIT-MIB 02-HH3C-ARP-SOURCE-SUPPRESSION-MIB 03-HH3C-ARP-SUPPRESSION-MIB 04-HH3C-ARP-TRAP-MIB 05-HH3C-BPA-MIB 06-HH3C-DHCP4-CLIENT-MIB 07-HH3C-DHCP4-MIB 08-HH3C-DHCP6-MIB 09-HH3C-DHCP-SNOOP2-MIB 10-HH3C-FIB-MIB 11-HH3C-IP-ADDRESS-MIB 12-HH3C-IPFW-MIB...
01-HH3C-ARP-RATELIMIT-MIB 02-HH3C-ARP-SUPPRESSION-MIB 03-HH3C-ARP-TRAP-MIB 04-HH3C-DHCP-SNOOP2-MIB 05-HH3C-DHCP4-CLIENT-MIB 06-HH3C-DHCP4-MIB 07-HH3C-DNS-MIB 08-HH3C-FIB-MIB 09-HH3C-IP-ADDRESS-MIB 10-HH3C-IPFW-MIB 11-HH3C-IPV6-ADDRESS-MIB 12-HH3C-ND-TRAP-MIB 13-H...
MP-BGP/EVPN方式部署分布式VXLAN EVPN介绍 最初的VXLAN方案(RFC7348)中没有定义控制平面,是手工配置VXLAN隧道,然后通过流量泛洪的方式进行主机地址的学习。这种方式实现上较为简单,但是会导致网络中存在很多泛洪流量、网络扩展起来困难。 为了解决上述问题,VXLAN引入了EVPN(Ethernet VPN)作为VXLAN的控制平面。EVPN参考了...
Leaf-01(基本EVPN配置) Leaf-01#show run | sec l2vpn l2vpn evpn replication-type static flooding-suppression address-resolution disable <-- Disables ARP caching so ARP is always sent up to the CGW router-id Loopback1 l2vpn evpninstance 201vlan-based encapsulation vxlan...
EVPN (VXLAN) Only supports IP domains+. * Tunnel domains refer to tunnel RIBs, e.g. system-colored-tunnel-rib, system-tunnel-rib, or user-defined tunnel RIBs. + IP domains are either of system-unicast-rib or system-connected. BGP Additional Paths Send Optimization BGP Add-Path TX, or ...