2020 年 4月随笔档案 - tycoon3

switchdev

摘要：Linux 4.0的switchdev一切坏消息在Linux 4.0内核中终结。 Linux 4.0引入了一个switchdev框架，它代表一类拥有“交换”能力芯片的多网口设备的抽象。其中每一个网口就是一个port，在switchdev框架中被注册成一个net_device。除此之外，内核中自带了一阅读全文

posted @ 2020-04-29 18:11 tycoon3 阅读(2395) 评论(0) 推荐(0)

tc

摘要：[root@evpn2 ~]# tc qdisc add dev p0a ingress -bash: tc: command not found [root@evpn2 ~]# yum install iproute-tc [root@localhost ~]# tc filter show de 阅读全文

posted @ 2020-04-29 15:17 tycoon3 阅读(618) 评论(0) 推荐(0)

hw-tc-offload

摘要：[root@localhost vpp]# ethtool -k enp125s0f0 | grep hw-tc-offload hw-tc-offload: off [fixed] [root@localhost vpp]# [root@localhost vpp]# ethtool -k enp 阅读全文

posted @ 2020-04-29 11:48 tycoon3 阅读(1328) 评论(0) 推荐(0)

make: *** /lib/modules/4.14.0-115.el7a.0.1.aarch64/build: No such file or directory. Stop. make: *** [default] Error 2

摘要：make -C /lib/modules/4.14.0-115.el7a.0.1.aarch64/build M=/root/vrouter/contrail-vrouter modules make: *** /lib/modules/4.14.0-115.el7a.0.1.aarch64/bui 阅读全文

posted @ 2020-04-29 10:26 tycoon3 阅读(2287) 评论(0) 推荐(0)

vpp coredump

摘要：Linux开启coredump mkdir -p /home/data/corefile chmod 777 /home/data/corefile echo "ulimit -S -c unlimited > /dev/null 2>&1" >> /etc/profile source /etc/ 阅读全文

posted @ 2020-04-28 13:36 tycoon3 阅读(1095) 评论(0) 推荐(0)

Vector Packet Processing 101: VPP Plugins & Binary API

摘要：In the first part of our new series, we will be building our first VPP platform plug-in, using basic examples. We will start with a first-dive into pl 阅读全文

posted @ 2020-04-28 10:25 tycoon3 阅读(732) 评论(0) 推荐(0)

vpp tapinject

摘要：查看路由表 DBGvpp# show ip fib ipv4-VRF:0, fib_index:0, flow hash:[src dst sport dport proto ] epoch:0 flags:none locks:[default-route:1, nat-hi:2, ] 0.0.0 阅读全文

posted @ 2020-04-28 09:37 tycoon3 阅读(1290) 评论(1) 推荐(0)

鲲鹏920 移植 vpp20.1运行 router-plugin_plugin.so

摘要：[root@localhost vpp]# find ./ -name router-plugin_plugin.so ./lib/vpp_plugins/router-plugin_plugin.so [root@localhost vpp]# 阅读全文

posted @ 2020-04-27 21:04 tycoon3 阅读(470) 评论(0) 推荐(0)

vpp-20.01-ip_neighbor

摘要：/* *INDENT-OFF* */ typedef CLIB_PACKED (struct { mac_address_t mac; ip4_address_t ip4; }) ethernet_arp_ip4_over_ethernet_address_t; /* *INDENT-ON* */ 阅读全文

posted @ 2020-04-27 20:28 tycoon3 阅读(631) 评论(0) 推荐(0)

vpp编写plugin

摘要：Could not find a package configuration file provided by "Vpp" with any of the following names: VppConfig.cmake vpp-config.cmake Add the installation p 阅读全文

posted @ 2020-04-26 18:21 tycoon3 阅读(1009) 评论(0) 推荐(0)

vrf 命令

摘要：查询VRF邻接表和路由 ip neigh show vrf vrf-blue ip addr show vrf vrf-blue ip -br addr show vrf vrf-blue ip route show vrf vrf-blue [root@evpn1 ~]# ip neigh sho 阅读全文

posted @ 2020-04-24 18:48 tycoon3 阅读(894) 评论(0) 推荐(0)

vxlan + 多个vrf

posted @ 2020-04-24 15:48 tycoon3 阅读(546) 评论(0) 推荐(0)

dpdk kni Invalid module format

摘要：export RTE_TARGET=arm64-armv8a-linuxapp-gcc export RTE_SDK=`pwd` insmod ${RTE_SDK}/${RTE_TARGET}/kmod/igb_uio.ko make -j 96 [root@localhost dpdk-19.11 阅读全文

posted @ 2020-04-24 09:43 tycoon3 阅读(564) 评论(0) 推荐(0)

vpp l3 bvi

摘要：A bridge-domain can be associated with only one BVI. However a vrf can contain routes to multiple BVIs. To configure a BVI interface, create it using 阅读全文

posted @ 2020-04-23 18:08 tycoon3 阅读(1178) 评论(0) 推荐(0)

set interface ip address: failed to add 1 on loop1 which conflicts with

摘要：DBGvpp# show int addr UnknownEthernet5/0/0 (up): L2 bridge bd-id 1 idx 1 shg 0 host-ns1_tap (up): L2 bridge bd-id 1 idx 1 shg 0 host-ns7_tap (up): L2 阅读全文

posted @ 2020-04-23 18:01 tycoon3 阅读(336) 评论(0) 推荐(0)

Failed: no source address for egress interface

摘要：DBGvpp# show inter addr UnknownEthernet5/0/0 (up): L2 bridge bd-id 1 idx 1 shg 0 host-ns1_tap (up): L2 bridge bd-id 1 idx 1 shg 0 host-ns7_tap (up): l 阅读全文

posted @ 2020-04-23 13:54 tycoon3 阅读(955) 评论(1) 推荐(0)

vpp vrf

摘要：默认table 0 set interface ip table loop2 vrf1 loop1 in vrf1 and loop2 in vrf2 nat44-out2in no translation with multiple tenants Example Usage Example of 阅读全文

posted @ 2020-04-23 13:21 tycoon3 阅读(958) 评论(0) 推荐(0)

vpp bvi

摘要：DBGvpp# show int Name Idx State MTU (L3/IP4/IP6/MPLS) Counter Count UnknownEthernet5/0/0 1 down 9000/0/0/0 rx-miss 649 local0 0 down 0/0/0/0 DBGvpp# l 阅读全文

posted @ 2020-04-23 12:00 tycoon3 阅读(766) 评论(0) 推荐(0)

creates 2 connected namespaces vpp1 & vpp2

摘要：#!/bin/bash # # set up a network env with 2 namespaces: # # [ vpp1 ] [vpp] [ vpp2 ] # # vpp1: 192.168.0.1 # vpp2: 192.168.0.2 ip netns delete vpp1 ip 阅读全文

posted @ 2020-04-23 11:26 tycoon3 阅读(190) 评论(0) 推荐(0)

unknown input `arp'

摘要：DBGvpp# show ip arp show ip: unknown input `arp' DBGvpp# sh run Time 63301.6, 10 sec internal node vector rate 1.00 vector rates in 5.3712e1, out 2.27 阅读全文

posted @ 2020-04-23 10:23 tycoon3 阅读(436) 评论(0) 推荐(0)

vpp host-interface

摘要：#!/bin/bash PATH=$PATH:./build-root/build-vpp-native/vpp/bin/ if [ $USER != "root" ] ; then echo "Restarting script with sudo..." sudo $0 ${*} exit fi 阅读全文

posted @ 2020-04-23 10:12 tycoon3 阅读(1225) 评论(0) 推荐(0)

vpp cmd

摘要：DBGvpp# sh inter addr UnknownEthernet5/0/0 (up): L3 192.168.1.229/24 host-ns1_tap (up): local0 (dn): DBGvpp# nat44 add interface address UnknownEthern 阅读全文

posted @ 2020-04-23 09:58 tycoon3 阅读(803) 评论(0) 推荐(0)

vxlan bum

摘要：This is the last article in the series, we will finish this lab with the VXLAN configuration and testing connectivity between servers. VIRTUAL EXTENSI 阅读全文

posted @ 2020-04-22 19:53 tycoon3 阅读(378) 评论(0) 推荐(0)

vpp 编译netlink

摘要：ln -s /root/vppsb/vppsb/router/router.mk build-data/packages/router.mk ln -s /root/vppsb/vppsb/router/netlink.mk build-data/packages/netlink.mk find . 阅读全文

posted @ 2020-04-22 16:34 tycoon3 阅读(660) 评论(0) 推荐(0)

vpp + vxlan

摘要：DBGvpp# show vxlan tunnel [0] instance 0 src 192.168.1.229 dst 192.168.1.82 vni 10 fib-idx 0 sw-if-idx 2 encap-dpo-idx 1 DBGvpp# DBGvpp# show vxlan tu 阅读全文

posted @ 2020-04-22 15:42 tycoon3 阅读(677) 评论(0) 推荐(0)

vpp + frrouting

摘要：在frr中查看vrf 给host-ns1_tap配个ip DBGvpp# set interface ip address host-ns1_tap 192.168.1.230/24 set interface ip address: failed to add 192.168.1.230/24 o 阅读全文

posted @ 2020-04-22 10:39 tycoon3 阅读(1897) 评论(0) 推荐(0)

VPP + vxlan

摘要：DBGvpp# show int Name Idx State MTU (L3/IP4/IP6/MPLS) Counter Count UnknownEthernet5/0/0 1 down 9000/0/0/0 local0 0 down 0/0/0/0 DBGvpp# set int state 阅读全文

posted @ 2020-04-21 19:04 tycoon3 阅读(1010) 评论(0) 推荐(0)

dpdk: Unsupported PCI device 0x19e5:0x0200 found at PCI address 0000:05:00.0

摘要：[root@localhost ~]# lshw -class network -businfo Bus info Device Class Description pci@0000:05:00.0 enp5s0 network Hi1822 Family (2*25GE) pci@0000:06: 阅读全文

posted @ 2020-04-21 17:29 tycoon3 阅读(1005) 评论(0) 推荐(0)

How-to: Build VPP FD.IO with Mellanox DPDK PMD on top CentOS 7.7 with inbox drivers.

摘要：https://docs.mellanox.com/pages/releaseview.action?pageId=15053848 Prerequisites 1. Install CentOS 7.72. Set up an account to use the Linux Foundation 阅读全文

posted @ 2020-04-21 16:33 tycoon3 阅读(948) 评论(0) 推荐(0)

vpp[73384]: register_node:485: process stack: Invalid argument (errno 22)

摘要：gument (errno 22) /root/vpp/vpp/build-root/install-vpp_debug-native/vpp/bin/vpp[73384]: register_node:485: process stack: Invalid argument (errno 22) 阅读全文

posted @ 2020-04-21 15:20 tycoon3 阅读(470) 评论(0) 推荐(0)

鲲鹏920上vpp--dpdk编译

摘要：./build/external/packages/dpdk.mk 先要将网卡down才能去绑定vpp DPDK_VERSION ?= 19.08 参考一 https://fd.io/docs/vpp/master/usecases/vppinazure.html $ git clone https 阅读全文

posted @ 2020-04-21 09:02 tycoon3 阅读(3404) 评论(0) 推荐(0)

编译frr--python版本问题--Python-3.7.7

摘要：[root@localhost frr-stable-7.3]# make true make all-am make[1]: Entering directory `/root/frr/frr-stable-7.3' CLIPPY bgpd/bgp_debug_clippy.c /bin/sh: 阅读全文

posted @ 2020-04-20 15:09 tycoon3 阅读(804) 评论(0) 推荐(0)

安装vpp

摘要：[root@localhost vpp-stable-2001]# make install-dep Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * centos-sclo-rh: mirror-h 阅读全文

posted @ 2020-04-20 13:39 tycoon3 阅读(1369) 评论(0) 推荐(0)

Using Ironic client with agent_ipmitool driver

摘要：Lets see how to deploy a server using ironic. To do that we are going to define those variables: # Ironic client variables export IRONIC_URL=http://IR 阅读全文

posted @ 2020-04-16 15:56 tycoon3 阅读(301) 评论(0) 推荐(0)

ironic boot device

摘要：现在有两个ironic node, node82上成功运行裸金属，node187上没有，现在查看他们的boot device [root@localhost workspace]# ironic node-list The "ironic" CLI is deprecated and will be 阅读全文

posted @ 2020-04-16 15:53 tycoon3 阅读(201) 评论(0) 推荐(0)

How to Configure iSCSI Target and Initiator on CentOS 8

摘要：iSCSI (Internet Small Computer Systems Interface) is an Internet Protocol based storage networking for connecting remote storage devices over the netw 阅读全文

posted @ 2020-04-16 10:22 tycoon3 阅读(620) 评论(0) 推荐(0)

ironic deploy initramf生成和更新

摘要：dib制作deploy镜像会构造一个VIRTUAL_ENV环境，会通过chroot进入临时目录 export TMP_MOUNT_PATH="$TMP_BUILD_DIR/mnt" sudo -E chroot $TMP_MOUNT_PATH env -u TMPDIR -u VIRTUAL_ENV 阅读全文

posted @ 2020-04-15 17:16 tycoon3 阅读(486) 评论(0) 推荐(0)

Open vSwitch with DPDK

摘要：This document describes how to build and install Open vSwitch using a DPDK datapath. Open vSwitch can use the DPDK library to operate entirely in user 阅读全文

posted @ 2020-04-14 15:23 tycoon3 阅读(653) 评论(0) 推荐(0)

dpdk+ovs安装和编译（一）

摘要：绑定前网卡驱动 [root@localhost ~]# ethtool -i enp5s0 driver: hinic version: firmware-version: expansion-rom-version: bus-info: 0000:05:00.0 supports-statisti 阅读全文

posted @ 2020-04-14 14:02 tycoon3 阅读(8538) 评论(0) 推荐(0)

在鲲鹏920服务器上编译和安装dpdk踩坑（二）

摘要：网卡配置如下注意：使用VFIO需要BIOS开启SMMU [root@localhost dpdk-19.11]# ethtool -i enp6s0 driver: hinic version: firmware-version: expansion-rom-version: bus-info: 阅读全文

posted @ 2020-04-14 10:22 tycoon3 阅读(5689) 评论(3) 推荐(0)

在鲲鹏916服务器上编译和安装dpdk踩坑

摘要：无法爬楼楼的可以从这里下： http://static.dpdk.org/rel/ [root@kunpeng82 data1]# cat /etc/default/grub |grep GRUB_CMDLINE_LINUX GRUB_CMDLINE_LINUX="crashkernel=auto" 阅读全文

posted @ 2020-04-13 10:21 tycoon3 阅读(5156) 评论(0) 推荐(0)

docker和ovs使用

摘要：yum install docker [root@kunpeng82 devuser]# uname -aLinux kunpeng82.bogon 4.14.0-115.10.1.el7a.aarch64 #1 SMP Tue Jul 30 14:50:37 UTC 2019 aarch64 aa 阅读全文

posted @ 2020-04-12 21:20 tycoon3 阅读(1031) 评论(0) 推荐(0)

ovs流表机制（四）用vxlan实现多个节点的vm通信（二）

摘要：新增一个节点10.10.18.227 10.10.16.82通过vxlan vni=48和vxlan vni=32分别连接10.10.18.227和10.10.18.216 10.10.28.227网络配置如下 #/bin/bash set -e #添加ovs网桥: br-tun/br-int #o 阅读全文

posted @ 2020-04-12 17:01 tycoon3 阅读(985) 评论(0) 推荐(0)

ovs流表机制（四）用vxlan实现不同节点的vm通信--流表learn

摘要：10.10.16.82节点上 [root@kunpeng82 devuser]# ip netns exec ns1 ping 192.168.10.22 PING 192.168.10.22 (192.168.10.22) 56(84) bytes of data. ^C 192.168.10.2 阅读全文

posted @ 2020-04-10 21:23 tycoon3 阅读(1834) 评论(0) 推荐(0)

neokylin euler ironic 裸金属镜像

摘要：登陆devuser显示-bash-4.2$ 原因是在用useradd添加普通用户时，有时会丢失home目录下的环境变量文件，丢失的文件如下：1、.bash_profile2、.bashrc以上这些文件是每个用户都必备的文件。此时可以使用以下命令从主默认文件/etc/skel/下重新拷贝一份配置信息到阅读全文

posted @ 2020-04-10 14:13 tycoon3 阅读(241) 评论(0) 推荐(0)

euler ironic镜像驱动问题(二)

摘要：制作了一个NeoKylin-Server-7.0-aarch64-Release-Build06.euler.的ironic 镜像但是跑不起来 insmod 、lsmod命令都用不了，用losetup 和kpartx 将qcow2镜像mount后，chroot进去lsinitrd试了下 [root@ 阅读全文

posted @ 2020-04-09 14:55 tycoon3 阅读(1052) 评论(0) 推荐(0)

How to configure linux vxlans with multiple unicast endpoints

摘要：Sometimes you just can’t use multicast. Some cloud providers just do not provide it. In that scenario, you need to configure your vxlan layer using un 阅读全文

posted @ 2020-04-07 18:10 tycoon3 阅读(259) 评论(0) 推荐(0)

ovs mac learn

摘要：1、给table 2 添加一条规则 [root@kunpeng82 devuser]# ovs-ofctl add-flow vswtich1 "table=2 actions=learn(table=10,NXM_OF_VLAN_TCI[0..11], \ NXM_OF_ETH_DST[]=NXM 阅读全文

posted @ 2020-04-07 17:56 tycoon3 阅读(772) 评论(0) 推荐(0)

ovs trace 机制

摘要：1、ping [root@kunpeng82 devuser]# ip netns exec ns7 ping 192.168.1.200 PING 192.168.1.200 (192.168.1.200) 56(84) bytes of data. 64 bytes from 192.168.1 阅读全文

posted @ 2020-04-07 16:06 tycoon3 阅读(1066) 评论(0) 推荐(0)

ovs流表高级特性（一）

摘要：表 1. 流表常用字段字段名称说明 in_port=port 传递数据包的端口的 OpenFlow 端口编号 dl_vlan=vlan 数据包的 VLAN Tag 值，范围是 0-4095，0xffff 代表不包含 VLAN Tag 的数据包 dl_src=<MAC>dl_dst=<MAC> 匹配阅读全文

posted @ 2020-04-07 14:03 tycoon3 阅读(4974) 评论(0) 推荐(0)

ovs 实现vlan隔离(二)

摘要：[root@kunpeng82 devuser]# ovs-vsctl list port tap6_br _uuid : 70e22269-7254-4300-88fc-b3e8cfcc1df6 bond_active_slave : [] bond_downdelay : 0 bond_fake 阅读全文

posted @ 2020-04-05 21:49 tycoon3 阅读(1165) 评论(0) 推荐(0)

ovs 实现router

摘要：eth0连接internet ns1 [root@kunpeng82 devuser]# ip netns exec ns1 route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 阅读全文

posted @ 2020-04-05 16:15 tycoon3 阅读(926) 评论(0) 推荐(0)

ovs流表机制（五）

摘要：1、ovs-vsctl set port tap0_br tag=100 [root@kunpeng82 devuser]# ovs-vsctl list port tap0_br_uuid : f8b41259-a1b3-4226-bd25-afb7c0dfe9e1bond_active_slav 阅读全文

posted @ 2020-04-04 22:45 tycoon3 阅读(639) 评论(0) 推荐(0)

ovs 实现vlan隔离（一）

摘要：[root@kunpeng82 devuser]# ovs-ofctl dump-flows vswitch0 cookie=0x0, duration=3.829s, table=0, n_packets=0, n_bytes=0, priority=0 actions=NORMAL [root@ 阅读全文

posted @ 2020-04-04 20:08 tycoon3 阅读(803) 评论(0) 推荐(0)

ovs流表机制（四）用vxlan实现不同网段通信

摘要：节点ip改为192.168.2.210/24 [root@ovs216 ~]# ip netns exec ns1 ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 阅读全文

posted @ 2020-04-03 21:41 tycoon3 阅读(923) 评论(0) 推荐(0)

ovs流表机制（四）用vxlan实现同网段通信

摘要：[root@kunpeng82 devuser]# ovs-vsctl show 25581fe4-f414-4c0a-a9eb-5d04cc658c0c Bridge "vswitch0" Port "tap3_br" Interface "tap3_br" Port "vswitch0" Int 阅读全文

posted @ 2020-04-03 17:42 tycoon3 阅读(1319) 评论(0) 推荐(0)

ovs 流表机制(三)--group表

摘要：[root@kunpeng82 devuser]# ovs-ofctl -O OpenFlow13 dump-group-stats vswitch0 OFPST_GROUP reply (OF1.3) (xid=0x6): [root@kunpeng82 devuser]# ovs-ofctl - 阅读全文

posted @ 2020-04-03 14:00 tycoon3 阅读(1871) 评论(0) 推荐(0)

ovs 流表机制(二)-OVS流表table之间的跳转

摘要：1、把所有的flow删掉 [root@kunpeng82 devuser]# ovs-ofctl dump-flows vswitch0 table=0 cookie=0x0, duration=132.837s, table=0, n_packets=0, n_bytes=0, priority= 阅读全文

posted @ 2020-04-03 11:45 tycoon3 阅读(1914) 评论(0) 推荐(0)

ovs 流表机制(一)

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 阅读全文

posted @ 2020-04-03 11:24 tycoon3 阅读(1395) 评论(0) 推荐(0)

euler ironic镜像驱动问题(一)镜像启动失败报dracut initqueue timeout

摘要：中标麒麟基于euler的裸金属镜像启动失败报dracut initqueue timeout 找个openeuler能启动的裸金属镜像,查看grub.cfg reserve_kbox_mem=16M grub.cfg加上这些参数后找个正常的centos7镜像发现：而镜像上没有/dev/disk/ 阅读全文

posted @ 2020-04-02 13:05 tycoon3 阅读(1012) 评论(0) 推荐(0)

ovs流表

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. 阅读全文

posted @ 2020-04-02 11:18 tycoon3 阅读(3690) 评论(0) 推荐(0)

arm64 uefi启动

摘要：BOOTAA64.EFI走的是bios模式，grubaa64.efi走的是uefi模式 [root@localhost centos]# md5sum grubaa64.efi dff06670847929df2d469961bca5a275 grubaa64.efi [root@localhost 阅读全文

posted @ 2020-04-01 16:11 tycoon3 阅读(4140) 评论(0) 推荐(0)

04 2020 档案

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