节点1：-bgp配置
[root@localhost ~]# cat /etc/frr/bgpd.conf ! ! Zebra configuration saved from vty ! 2020/02/25 08:59:54 ! frr version 7.3-MyOwnFRRVersion frr defaults traditional ! hostname localhost.localdomain log file /var/log/frr/bgpd.log ! ! ! router bgp 81 bgp router-id 10.10.16.81 bgp bestpath as-path multipath-relax neighbor 10.10.16.82 remote-as external neighbor 10.10.16.82 update-source 10.10.16.81 neighbor 10.10.16.82 ebgp-multihop ! address-family ipv4 unicast neighbor fabric activate exit-address-family ! address-family l2vpn evpn neighbor 10.10.16.82 activate advertise-all-vni exit-address-family ! ! line vty !
节点1-网络配置
ip netns add host2 ip link add veth1 type veth peer name eth0 netns host2 ip netns exec host2 ip link set lo up ip netns exec host2 ip link set eth0 up ip netns exec host2 ip addr add 10.81.81.81/24 dev eth0 ip link add br10 type bridge ip link add vxlan10 type vxlan id 10 local 10.10.16.81 dstport 4790 nolearning ip link set br10 up ip link set vxlan10 up ip link set veth1 up ip link set veth1 master br10 ip link set vxlan10 master br10
节点2-bgp配置
[root@kunpeng82 devuser]# cat /etc/frr/bgpd.conf ! ! Zebra configuration saved from vty ! 2020/02/21 06:58:10 ! frr version 7.3-MyOwnFRRVersion frr defaults traditional ! hostname kunpeng82.bogon log file /var/log/frr/bgpd.log ! ! ! router bgp 82 bgp router-id 10.10.16.82 bgp bestpath as-path multipath-relax neighbor 10.10.16.81 remote-as external neighbor 10.10.16.81 update-source 10.10.16.82 neighbor 10.10.16.81 ebgp-multihop ! address-family ipv4 unicast neighbor fabric activate exit-address-family ! address-family l2vpn evpn neighbor 10.10.16.81 activate advertise-all-vni exit-address-family ! ! line vty !
节点2-网络配置
ip netns add host2 ip link add veth1 type veth peer name eth0 netns host2 ip netns exec host2 ip link set lo up ip netns exec host2 ip link set eth0 up ip netns exec host2 ip addr add 10.82.82.82/24 dev eth0 ip link add br10 type bridge ip link add vxlan10 type vxlan id 10 local 10.10.16.82 dstport 4790 nolearning ip link set br10 up ip link set vxlan10 up ip link set veth1 up ip link set veth1 master br10 ip link set vxlan10 master br10
节点1-邻居
localhost.localdomain# show bgp neighbors BGP neighbor is 10.10.16.82, remote AS 82, local AS 81, external link Hostname: kunpeng82.bogon BGP version 4, remote router ID 10.10.16.82, local router ID 10.10.16.81 BGP state = Established, up for 00:00:23 Last read 00:00:22, Last write 00:00:22 Hold time is 180, keepalive interval is 60 seconds Neighbor capabilities: 4 Byte AS: advertised and received AddPath: IPv4 Unicast: RX advertised IPv4 Unicast and received L2VPN EVPN: RX advertised L2VPN EVPN and received Route refresh: advertised and received(old & new) Address Family IPv4 Unicast: advertised and received Address Family L2VPN EVPN: advertised and received Hostname Capability: advertised (name: localhost.localdomain,domain name: n/a) received (name: kunpeng82.bogon,domain name: n/a) Graceful Restart Capabilty: advertised and received Remote Restart timer is 120 seconds Address families by peer: none Graceful restart information: End-of-RIB send: IPv4 Unicast, L2VPN EVPN End-of-RIB received: IPv4 Unicast, L2VPN EVPN Message statistics: Inq depth is 0 Outq depth is 0 Sent Rcvd Opens: 1 1 Notifications: 0 0 Updates: 4 4 Keepalives: 1 1 Route Refresh: 0 0 Capability: 0 0 Total: 6 6 Minimum time between advertisement runs is 0 seconds Update source is 10.10.16.81 For address family: IPv4 Unicast Update group 1, subgroup 1 Packet Queue length 0 Community attribute sent to this neighbor(all) 0 accepted prefixes For address family: L2VPN EVPN Update group 2, subgroup 2 Packet Queue length 0 NEXT_HOP is propagated unchanged to this neighbor Community attribute sent to this neighbor(all) advertise-all-vni 1 accepted prefixes Connections established 1; dropped 0 Last reset 00:00:24, Waiting for NHT External BGP neighbor may be up to 255 hops away. Local host: 10.10.16.81, Local port: 33113 Foreign host: 10.10.16.82, Foreign port: 179 Nexthop: 10.10.16.81 Nexthop global: :: Nexthop local: :: BGP connection: shared network BGP Connect Retry Timer in Seconds: 120 Read thread: on Write thread: on FD used: 24 localhost.localdomain# show ip bgp summary IPv4 Unicast Summary: BGP router identifier 10.10.16.81, local AS number 81 vrf-id 0 BGP table version 0 RIB entries 0, using 0 bytes of memory Peers 1, using 20 KiB of memory Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 10.10.16.82 4 82 9 9 0 0 0 00:03:58 0
show bgp l2vpn evpn
3、tcpdump & ping
4、更改节点2 host的网段
