QEMU它可以工作在 linux ,windows,FreeBSD和苹果系统上.大家根本都不用担心支持问题.因为其没有UI界面,纯粹是命令行的操作,和vmware等虚拟平台软件相比,它比较难于上手.但是它却对我们掌握系统模块有很大的帮助,所有的外设和一些常用模块,需要我们手动的去使用命令来挂载才能有效运行.很多人都觉得先学习QEMU后,再去用

Abstract: Inter-AS Multicast VPN solution introduces some challenges in cases where peering systems implement BGP-free core. This post illustrates a known solution to this problem, implemented in Cisco IOS software. The solution involves the use of special MP-BGP and PIM extensions. The reader is

Below are a couple example configurations for PPPoE. Note that you can run into MTU issues when trying to use OSPF over PPPoE. This can easily be resolved by using the “ip ospf mtu-ignore” command as the dialer interface’s MTU is 1492 while the virtual-template’s (virtual-access) MTU is 1500. *