Gns3 back to back serial

Don't forget to enable the interface with a no shutdown command. The link becomes up as both routers are correctly configured. Packet Tracer 8. What's new in Packet Tracer 7. What's new in Cisco Packet Tracer 7. What's new in Packet Tracer 6. What is Cisco Networking Academy? Users browsing this forum: Bing [Bot] and 0 guests. Page 1 of 1 [ 8 posts ] Previous topic Next topic Author Message jewell2j Post subject: Line protocol is down on serial interface. Posted: Wed May 23, am.

For some reason, in all of the OSPF labs, there is a serial link between two routers that the line protocol is down. Has anybody seen a problem with serial interfaces and GNS3?

Any help would be much appreciated. I've uploaded the GNS3. Posted: Wed Jun 27, pm. In this section, you are presented with the information to configure the features described in this document.

Note: To find additional information on the commands used in this document, use the Command Lookup Tool registered customers only. The default serial encapsulation on Cisco routers is Cisco HDLC, so it does not need to be explicitly configured on the router.

As a result, the encapsulation type is not displayed in the configuration. With a back-to-back serial connection, the router connected to the DCE end of the cable provides the clock signal for the serial link.