Cisco IOU with GNS3 to connect to real networks or virtual hosts

Source: Internet
Author: User
Tags vmbox

GNS3 with IOU simulation degree is very high, but in doing the experiment, still will encounter many problems;

The following are some of the recent problems encountered in the experiment, in the learning process will continue to update;

  1. When doing NTP, a router do NTP master, another router do NTP client to synchronize, the settings are correct, in the Cisco Packet Tracer configuration can pass, in IOU, a router is always unable to sync to The time zone is also set;

    In SH NTP status, it is always displayed that cannot be synced to;

  2. IOU devices through GNS3, connected to the real network, or the virtual machine is located in the network, unable to connect;

    In GNS3, you can connect the router to a single switch built into the GNS3, and then the switch is connected to the cloud, and the network set by the cloud chooses the network you want to connect to (such as a local network, or a network of virtual machines, to see individual needs);

    such as the film; I use a vmbox in the IOU inside a route, and GNS3 in the normal switch connection, and then a piece of vmbox with a host connected to connect the network card, so in the Vmbox set as the network card in the other virtual system can be connected to do the experiment, Simply set the route to the same network segment as the virtual system IP;

    650) this.width=650; "src=" http://s5.51cto.com/wyfs02/M00/79/F6/wKiom1afMjWjMjLDAACOZO2PJqI195.jpg "title=" 22.jpg "alt=" Wkiom1afmjwjmjldaacozo2pjqi195.jpg "/>

  3. Set the router enable password, vty password, and can not be telnet on another host;

Cisco IOU with GNS3 to connect to real networks or virtual hosts

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