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OSPF applications-single-region and multi-region (CISCO)

OSPF applications-single-region and multi-region (CISCO) Single-region: 1. job Requirements! Three methods for injecting default Routes 2. Topology1. the device configuration is as follows: R1 (config) # int s1/0R1 (config-if) # ip add 192.168.1.1 255.255.255.0R1 (config-if) # no shutR1 (config-if) # int s1/1R1 (config

Oracle VM + centos7.1+openstack kilo Multi-node installation tutorial---Keystone installation (3)

, and another member role for assigning to ordinary users who use the cloud environment . When you add a user to the openstack Authentication Service, you must have a tenant that can accommodate the user, and you need to define a role that can be assigned to that user. Each service in the cloud environment runs on a specific URL and Port, which is the endpoint address of those services. When a client program is connected to a cloud environment,t

Oracle VM + centos7.1+openstack kilo Multi-node installation tutorial---Installation of glance

communication, and glance-registry Used to manage objects stored in the hard disk and in the registry database. Both processes require authentication credentials to be set in their configuration files to facilitate The identity authentication of the user by the OpenStack Authentication Service. on the controller node Add a databaseNote: The installation of Glance is operated on the controller nodeMysql-u root-pDo the followingCREATE DATABASE Glance

Oracle VM + centos7.1+openstack kilo Multi-node installation tutorial---Neutron installation (1)

Disclaimer: The recent installation of the kilo version of OpenStack found that there were very few existing web tutorials and that most of the tutorials did not install successfully, So write this tutorial. The installation of OpenStack is complex, and this tutorial does not guarantee that it will be installed successfully in different environments. Personal installation tutorials are also prone to erro

OSPF multi-region principle and configuration

OSPF Multi-zone principle and configurationN reasons for generating OSPF multi-region1. reasons for generating OSPF multi-region? Improve the scalability of your network? Fast Convergence2. capacity of the OSPF areaHow many routers can be accommodated in each OSPF area after partitioning the

Oracle VM + centos7.1+openstack kilo Multi-node installation tutorial---Keystone Installation (2)

/keystone.py?h=stable/kilo | Tee/var/www/cgi-bin/keystone/main/var/www/cgi-bin/keystone/admin Empowering Chown-r keystone:keystone/var/www/cgi-bin/keystone chmod 755/var/www/cgi-bin/keystone/* Start Systemctl Enable Httpd.service systemctl start Httpd.service (Note: In accordance with the Kilo version of the installation manual, I encountered a problem here, the solution, the main reason is the Apache and Keystone Service services conflict, the official manual recommends using Apache to

Oracle VM + centos7.1+openstack kilo Multi-node installation tutorial---Neutron installation (2)

Internet and is not allocated when configured Ip,bootproto=none Ovs-vsctl add-br br-ex ovs-vsctl add-port br-ex interface_name #替换NTERFACE_NAME Ln-s/etc/neutron/plugins/ml2/ml2_conf.ini/etc/neutron/plugin.ini cp/usr/lib/systemd/system/ Neutron-openvswitch-agent.service/usr/lib/systemd/system/neutron-openvswitch-agent.service.orig sed-i ' s, Plugins/openvswitch/ovs_neutron_plugin.ini,plugin.ini,g '/usr/lib/systemd/system/ Neutron-openvswitch-agent.service Systemctl Enable Neutron-openvswitch

Multi-region OSPF

Label: OSPF Multi-region OSPF I. Tutorial Purpose Learn to configure multi-region OSPF and configure virtual links Ii. Experiment Topology 650) This. width = 650; "src =" http://home.51cto.com/thumb.php? W = 600 H = 600 t = F url = http://s3.51cto.com/wyfs02/M02/4D/57/wKiom1RQOrDAUfumAAEihl4v8-0496.jpg "He

Multi-region ospf

Ospf multi-region and sub-region Key design points of the region: 1. backbone area 0 2. Other regions must be connected to the perimeter of the backbone area 0. Other regions cannot be directly connected Requirements for area 0: Fast and stable. The core of a vro with a few vrouters This topic uses an experiment

Packstack–answer-file deployment of multi-node OpenStack environments: four nodes

-file=hcloud.txtWelcome to thepackstack Setup utilityThe Installationlog file is available At:/var/tmp/packstack/20160509-032847-sm4dwt/openstack-setup.logInstalling:Clean up [done]Discovering Ipprotocol version [done]Here you need to manually enter the four-node password[Email protected] ' Spassword:[Email protected] ' Spassword:[Email protected] ' Spassword:[Email protected] ' Spassword:Setting up Sshkeys [done]Then wait for the installation to comp

Oracle VM + centos7.1+openstack kilo Multi-node installation tutorial---Neutron installation (3)

/nova.conf Network_api_class = Nova.network.neutronv2.api.API security_group_api = Neutron linuxnet_interface_driver = Nova.network.linux_net. Linuxovsinterfacedriver firewall_driver = Nova.virt.firewall.NoopFirewallDriver under [neutorn] tab URL = http://controller:9696 auth_strategy = Keystone admin_auth_url = http://controller:35357/v2.0 admin_ Tenant_name = Service admin_username = neutron admin_password = Neutron #替换NEUTRON_PASS auth_strategy= Keystone Ln-s/etc/neutron/plugins/ml2/ml2_

Saliency region selection in large aerial imagery using multi-scale SLIC Segmentation

1: saliency region selection in large aerial imagery using multi-scale SLIC segmentation,Proc. Spie8360, airborne intelligence, surveillance, reconnaissance (ISR) systems and applications IX, 2012 2: Several points worth noting in this paper: (1) At a glance, salient regions are stand out while the rest of the scene is neglected since they do not attract visual attention. (2) When large and mostly uniform

Packstack–answer-file deployment of multi-node OpenStack environments-two-node

| 2016-05-09t03:43:44.000000 | - |+----+------------------+-----------+----------+---------+-------+----------------------------+---------------- -+here Nova-compute is installed in the Lxp-node2 , but Cinder-volume is still in Lxp-node1 , it seems there are some problems with the configuration[[Email protected]~ (keystone_admin)]# grep HOST./hcloud.txtconfig_controller_host=192.168.11.8config_compute_hosts=192.168.11.9config_network_hosts=192.168.11.8config_vcenter_host=config_storage_host=192

. Net (C #) printing-multi-region Printing

return */ Int X = 20 ; Int Y = 20 ; While (Linesprinted Lines. length){ // The area to be printed E. Graphics. drawstring (lines [linesprinted ++ ], New Font ( " Arial " , 10 ), Brushes. Black, x, y ); Y+ =55; // When the judgment period exceeds one hour, it is allowed to print multiple rows If (Y > = E. pagebounds. Height - 80 ){ // Allow printing of many shards E. hasmorepages = True ; /* * When the haemorepages encoding of printpage

OSPF multi-region principle and configuration

, and the measure is 0The administrative distance of the RIP protocol is 120 by default and the metric is hop countThe OSPF protocol's administrative distance defaults to 110, and the measure is the cost of the interface.--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Configuration of the peripheral areaEverything else is just a command.Area proc

Configuration of multi-region OSPF

Configuration implementation, topology diagram of the interoperability of multi-area OSPF, and do testing. The configuration process takes R1 as an example;If the region 1 is not directly connected to the area 0, and the area 2 is directly connected, excuse me, is such a diagram reasonable, if in this connection, I would like to realize the entire topology diagram of interoperability, how to configure.The t

24. Multi-process bidirectional redistribution in the irregular region of OSPF configuration experiment

/76/D4/wKiom1ZdS6vjJOWuAAA3gACUTuU743.png "style=" float: none; "title=" 3.png "alt=" Wkiom1zds6vjjowuaaa3gacutuu743.png "/>Both R1 and R5 have no route to each other at this time. We will modify the configuration of OSPF on R4 as followsrouter OSPF 110Router-id 4.4.4.4Log-adjacency-changesRedistribute OSPF subnetsNetwork 4.4.4.0 0.0.0.255 Area 1Network 34.1.1.0 0.0.0.255 Area 1router OSPF 100Router-id 4.4.4.40Log-adjacency-changesRedistribute OSPF subnetsNetwork 45.1.1.0 0.0.0.255 Area 2650) th

ubuntu16.04 Multi-node layout OpenStack Newton version

password you need2) in/etc/keystone/keystone.conf进行配置如下:[Database]    Connection = mysql+pymysql://keystone:[email protected]/keystone [Token]    Provider = fernet   COMPUTE node InstallationThe first two steps are the same as the control nodes,3, install Chronyc ibid, but /etc/chrony/chrony.conf need to join:    Server Controller IburstThen reboot and verifyService Chrony RestartChronyc sources4. Install OpenStack Packagesudo apt-get install Softw

Oracle VM + centos7.1+openstack kilo Multi-node installation tutorial---Basic Environment configuration (4)

each node to do the following, here is also listed in order to maintain the overall installation logic. Install the image source Yum install http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-5.noarch.rpm Yum Install/HTTP rdo.fedorapeople.org/openstack-kilo/rdo-release-kilo.rpm Yum Upgrade Note: Foreign servers, domestic visits may occur in a less stable condition installing selinux Yum Install O

OpenStack Learning note Five multi-node deployment RABBITMQ information hub and meta-data

" type:internal Port "qg-62a3088b-40" Interface "qg-62a3088b-40" type:internal Port "qg-df2db69c-60" interface "qg-df2db69c-60" type:internalport "Eth0" Interface "Eth0" port br-exInterfacebr-ex type:internal[ [emailprotected]~]#cat/proc/sys/net/ipv4/ip_forward # #转发功能1650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M01/83/C4/wKiom1d7hSXwj1mVAAAQLlKyWX4805.png "style=" float: none; "title=" 2.png "alt=" Wkiom1d7hsxwj1mvaaaqllkywx4805.png "/>650) this.width=650; "src=" Http://s5.51ct

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