摘要：ip netns add ns1 ip netns add ns2 ip link add tap0 type veth peer name tap0_br ip link add tap3 type veth peer name tap3_br ip link set tap0 netns ns1
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posted @ 2020-04-03 11:24
随笔分类 - neutron
摘要：流表分为两大类： 1、 内核中flow table 也称为fast path 2、找用户态中flow table被称为slow path 一个数据报文接收后，会经过多个流表，每个流表负责特定的功能，ovs中的多级流表存放在用户空间，内核态存放的是流表的缓存。 网卡收到报文时，Openvswitch.
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posted @ 2020-04-02 11:18
摘要：裸金属pxe获取dhcp失败,但是能抓到dhcp请求报文： 1、dhdp namesapce tcpdump 2、 查看dnsmasq host 查看neuturon port dnsmasq 服务正常 查看dnsmasq日志 /var/lib/docker/volumes/kolla_logs/_
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posted @ 2020-03-31 17:00
摘要：[root@evpn2 test]# ip n show vrf evpn-vrf 5.5.5.254 dev default_g1 lladdr 3a:cc:23:da:b8:9e STALE 9.9.9.1 dev br20 lladdr 6e:7f:fc:df:5d:bb STALE 2.2.
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posted @ 2020-03-27 21:40
摘要：http://networkstatic.net/configuring-macvlan-ipvlan-linux-networking/[root@evpn2 ~]# lsmod | grep -i macvlan macvlan 262144 0 创建两个macvlan设备[root@evpn2
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posted @ 2020-03-27 14:07
摘要：现在把vxlan类型改为： 10.10.18.213节点上 ip link add vxlan10 type vxlan id 10 local 10.10.18.213 dstport 4789 nolearning bridge fdb append to 96:43:7c:c4:79:8e d
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posted @ 2020-03-27 10:30
摘要：在节点2上配置： ip link add default_g1 type veth peer name default_g ip link set default_g1 up ip link set default_g up #其中default_g1在evpn-vrf，default_g在defa
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posted @ 2020-03-26 17:53
摘要：节点1 ip netns add host2 ip link add veth2 type veth peer name eth0 netns host2 ip netns exec host2 ip link set lo up ip netns exec host2 ip link set et
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posted @ 2020-03-26 17:51
摘要：节点1 mp_bgp配置 evpn2.novalocal# show running-config Building configuration... Current configuration: ! frr version 7.3-MyOwnFRRVersion frr defaults trad
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posted @ 2020-03-26 16:36
摘要：https://cumulusnetworks.com/blog/evpn-behind-curtains/ Is EVPN magic? Well, like Arthur C Clarke said, any considerable leap in technology is indistin
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posted @ 2020-03-25 17:51
摘要：Static MAC address You can specify a MAC address on a specific vtep by adding a static FDB table entry. Evpn gets these static FDB table entries, adds
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posted @ 2020-03-25 16:52
摘要：现在把vxlan类型改为： 10.10.18.213节点上 ip link add vxlan10 type vxlan id 10 local 10.10.18.213 dstport 4789 nolearning 10.10.18.214节点上 ip link add vxlan10 type
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posted @ 2020-03-24 17:59
摘要：FRRouting ArchitectureWe've seen in the previous sections how AFI makes it possible to implement a third party control plane on Juniper routers. Now w
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posted @ 2020-03-24 15:58
摘要：10.10.18.209节点上 ping 2.2.2.3之前 [root@evpn1 ~]# bridge fdb show | grep 3a:d4:04:8c:3b:ff[root@evpn1 ~]# bridge fdb show | grep ea:e1:8d:a6:39:96[root@e
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posted @ 2020-03-23 15:57
摘要：evpn1# show bgp evpn vniAdvertise Gateway Macip: DisabledAdvertise SVI Macip: DisabledAdvertise All VNI flag: EnabledBUM flooding: Head-end replicatio
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posted @ 2020-03-22 21:10
摘要：[root@evpn2 ~]# bridge fdb show | grep vxlan10 ba:76:60:06:f8:67 dev dev vxlan10 vlan 1 master br30 permanent ba:76:60:06:f8:67 dev dev vxlan10 master
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posted @ 2020-03-22 20:57
摘要：[root@evpn2 ~]# yum install -y nftables Repository base is listed more than once in the configuration CentOS-8 - Updates 24 B/s | 38 B 00:01 Failed to
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posted @ 2020-03-20 22:28
摘要：一开始服务器的网卡enp1s0是没有加入evpn-vrf 执行：ip link set enp1s0 master evpn-vrf ，ssh连接断开 设备加入vrf后ip地址丢失了哦 移除后，设备ip恢复又可以ssh连接 ip netns add host3 ip link add veth3 t
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posted @ 2020-03-20 10:10
摘要：ip -br link ip -d link show ip link set ens3 nomaster ip link add test type bridge ip link set default_g1 master evpn-vrf $ ip -4 rule add oif vrf-cus
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posted @ 2020-03-20 09:45
摘要：[root@evpn2 ~]# ip vrf show Name Table evpn-vrf 100 vrftest 101 [root@evpn2 ~]# ip -br link show evpn-vrf evpn-vrf UP aa:5c:32:2c:09:e5 <NOARP,MASTER,
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posted @ 2020-03-18 14:12
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