Packet Tracer

I've attached Crossover cables between three routers, to the wrong interfaces.
How do I remove the cabling to reattach to the correct interfaces?

I keep trying but the cable won't go away and keeps giving me an error message that I can't reconnect, because the other end is a gigabit port and I want to connect the serial ports.

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Comments

AvgITGeek

Click the delete icon, select the link and delete it.

Lendawg001

Thanks! I'm going to spend some time in here to get better acquainted with the various functions. I appreciate your input, you saved me precious time!

kaiju

Get on Netacad and take the Packet tracer course.

jasper_zanjani

kaiju said:

Get on Netacad and take the Packet tracer course.

how do you compare these courses to the ones on GNS3?

kaiju

The packet tracker course provides familiarization so a person will be able to create, modify and troubleshoot labs with ease.
I cannot compare the PT and GNS3 courses because I purchased my study material from friends who teach for a living. PT is sufficient for CCNA R&S but GNS3 is recommended for CCNA Sec, CCNP and higher exams.

My suggestion for CCNA is build a foundation with whatever method that suits you best (let it be aural, video or book) and then utilize Boson to test your knowledge.

Foundation:
Subnetting - know it and know it well
Decimal to/from binary  - know how to convert from one to the other.
Binary to/from hex - know how to convert from one to the other.
MAC address - knowing hex will help a lot. Know the basics of mac address.
IPV6 - know the basics: unicast, multicast, loopback, differences between IPV4 and IPV6.
Routing - understand the differences
OSPF/OSPFV3 - know how to configure and troubleshoot
EIGRP  - know how to configure and troubleshoot
RIP/RIPV2  - know how to configure and troubleshoot
BGP/iBGP - know the differences.