在Mac和win7上分别安装了docker后,发现原来的vagrant都启动不了了 liugx@liugx vagrant$ vagrant up /opt/vagrant/embedded/gems/gems/vagrant-1.8.1/lib/vagrant/pre-rubygems.rb:31: warning: Insecure world writable dir /usr/local/tomcat/bin in PATH, mode 040777 /opt/vagrant/embed…
Border Gateway Protocol (BGP) is a standardized exterior gateway protocol designed to exchange routing and reachability information among autonomous systems (AS) on the Internet.[1] The protocol is often classified as a path vector protocol but is so…
IBGP的水平分隔原则(Split Horizon Rule): IBGP的水平分割原则:by default,routes learned via IBGP are never propagated to othe IBGP peers:默认情况下对于一个BGP路由器R1来说,从一个IBGP邻居R3那里学到的BGP路由,是不会传递给另外的一个IBGP邻居R2的.(提醒:EBGP是没有这种规则的!!!) BGP路由反射器RR(Route Reflector): 事实证明:路由反射器就是搞传销地!…
IGP: 包括RIP/EIGRP/OSPF/ISIS/ODR等动态路由协议 运行在同一个AS中, 通过Cost/Metirc来判断路由的优劣(越小越好): AS:自治系统(小) An AS is a collection of networks under a single technical administration.(独立的一个技术/管理域) IGP主要任务 正确的描述路由信息和尽快的将数据包送到目的地: IGP强调收敛速度. BGP(v4) 边界网关协…