How To add Layer 2 Switch IOS Image on GNS3 | GNS3 L2 IOU VM | Cisco Switch Easy Step by Step

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How to add Layer2 Switch IOS on GNS3 | Switch IOS vIOS-L2 Download | Cisco IOS Add in GNS3. Layer 2 switching is hardware-based, which means switches use application-specific integrated circuit (ASICs) to build and maintain filter tables (also known as MAC address tables or CAM tables). One way to think of a layer 2 switch is as multiport bridge.Layer 2 switching uses the media access control address (MAC address) from the host's network interface cards (NICs) to decide where to forward frames. Layer 2 switching is hardware-based,[1] which means switches use application-specific integrated circuit (ASICs) to build and maintain filter tables (also known as MAC address tables or CAM tables). One way to think of a layer 2 switch is as multiport bridge.

Layer 2 switching provides the following

Hardware-based bridging (MAC)
Wire speed / non-blocking forwarding
Low latency
Layer 2 switching is highly efficient because there is no modification to the data packet and the frame, encapsulation of the packet changes only when the data packet is passing through dissimilar media (such as from Ethernet to FDDI). Layer 2 switching is used for work group connectivity and network segmentation (breaking up collision domains). This allows a flatter network design with more network segments than traditional networks joined by repeater hubs and routers. Layer 2 switching has helped develop new components in the network infrastructure.

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Thank you very much. Worked well on GNS3 1.3.3.
The problem is that the interfaces labels don't match inside the SW.

keithsmith

This does not work. error "HAXM acceleration support is not installed on this host
HAXM acceleration support is not installed on this host. My AMD processor is also impossible to put HAXM. He is not starting if working virtualbox and give out error: Cannot start VM with hardware acceleration (KVM/HAX) enabled because hardware virtualization (VT-x/AMD-V) is already used by another software like VMware or VirtualBox

makarfilms

Very helpful, concise.... perfect for beginners.

fawazjeddavi

it doesnt ask for vmdk file. also my gns3 is running on localhost port 3080, is it a problem?

rasheedmalik

I managed to add a switch, but when I start it, it actually started for a while and turn itself down automatically. any ideas?

LoveHWH

HAXM acceleration support is not installed on this host

zuliano

Hi, does anyone knows where i can find IOS L2 for free. the link above no longer works. Thank you

cOveTouS

It works! but the startup-config can't be deleted all the way. The internal ports do not match physical ports on the switch.

TheJokeJoker

I appreciate the video and it was a success for me however it only gave me 1 and only 1 interface. there was no other way to add other interfaces to it on my system.

careerglitch

I just investigate a little bit the ISO and there are still 270 dat files, mods and imgs in the flash memory..is that vmdk was an ftp or something? must to say it was really funny to notice password mod from 30 January 2013 :D

Cyterous

When i click start button on switches, it shows HAXM acceleration support is not installed on this host?

raymondjohn

When i click Qemu VMs i encounter a window which is stating that i need to choose where the Qemu will work on(server type) i couldn't encounter a window where i can choose type or .vdmk file.So what is the problem ?

onurcan