At approximately 2:04 in the video the automatic link local IPv6 address is created from the MAC address on the PC by inserting FF:FE into the address and flipping the 7th bit in the host identifier so x0090 in hex turns into x0290 (290 abbreviated). To see how, convert x0090 into binary (0000 0000 1001 0000) and flip the 7th bit from the left to (0000 0010 1001 0000) now convert back to hex, and you have 0290
Cool, thanks for the extra info! That makes sense, since each hex digit represents 4 bits. Then, you just have one nybble (4 bits) that reminds me of the joke, "There's 10 types of people in this world...those who understand binary and those who don't"--lol.
Hi dan I am student from India.Your videos really helped me.. i got one doubt in this video.i have set up a network with two pcs and one router i have enabled ipv6 unicast routing in router with gateway as fe80::1.instead of connecting pc to router via switch i connected it directly.when i pinged router from Pc with gateway it is not replying but with switch connected in middle as in video it is working ..can you please clear my doubt
Following these instructions, I can ping from the PCs to the router, but I can't ping from the router to the PCs. But once I have configured a global address for the router interfaces, it works. I'm very confused, because I thought the router would be able to ping other link-local addresses on the same network, but that doesn't seem to be the case? It only seems to work from PC to router - not the other way around. Am I doing something wrong, is this the way it is, or is this a quirk of Packet Tracer?
Hi Dan, At about 7:30 your pinging one of the router’s Link-Local addresses; But how would you know which Link-Local address you’re pinging, as you configured both router I/F’s with the same Link-Local address❓What am I missing❓ *** NOTE *** Never mind...I get it now...the Link-Local is ONLY per each network segment or ‘Local’ link...
Go to any pc then open cmd... now this is your source pc.. Then give your another pc's ip add so that is your destination address... Like your mobile phone.. Suppose You want to check your dad's phone if switch on or of...then what you will do you will type your dad's phn no on your mobile thus you can check the connection is ok or not....got it bro
00:01 Configuring IPv6 on Packet Tracer 6.0 for host communication 01:19 Creating a link-local address from a MAC address. 02:34 Testing communication between PCs using IPv6 link local addresses 03:49 Enabling IPv6 Unicast Routing on the Router 05:13 Manually configure link local IPv6 addresses with a simple format 06:31 Setting up link local IPv6 addresses on router interfaces. 07:39 Communicating using IPv6 link local addresses 09:03 Configuring routable global unicast IPv6 addresses on devices.
I have to set the same thing up but I have to use 3 routers, 3 switches and 3 PCs. But I dont have enough interfaces available on the main router. What can I do to have at least 3 interfaces on the main router?
in packet tracer my ipv6 unicast-routing command is rejected in routers: 262dxm, 2621xm and in both generic. Howerver it is accepted in all the others, why?
Good job! I was able to complete the most stressful of assignments, thanks to your help.
At approximately 2:04 in the video the automatic link local IPv6 address is created from the MAC address on the PC by inserting FF:FE into the address and flipping the 7th bit in the host identifier so x0090 in hex turns into x0290 (290 abbreviated). To see how, convert x0090 into binary (0000 0000 1001 0000) and flip the 7th bit from the left to (0000 0010 1001 0000) now convert back to hex, and you have 0290
Cool, thanks for the extra info! That makes sense, since each hex digit represents 4 bits. Then, you just have one nybble (4 bits) that reminds me of the joke, "There's 10 types of people in this world...those who understand binary and those who don't"--lol.
You are soooo good bro. Wish you was my teacher instead
Answered so much of my questions. Thank you sir
Hi dan I am student from India.Your videos really helped me..
i got one doubt in this video.i have set up a network with two pcs and one router
i have enabled ipv6 unicast routing in router with gateway as fe80::1.instead of connecting pc to router via switch
i connected it directly.when i pinged router from Pc with gateway it is not replying
but with switch connected in middle as in video it is working ..can you please clear my doubt
Thanks Dan, for your great videos!
Following these instructions, I can ping from the PCs to the router, but I can't ping from the router to the PCs. But once I have configured a global address for the router interfaces, it works. I'm very confused, because I thought the router would be able to ping other link-local addresses on the same network, but that doesn't seem to be the case? It only seems to work from PC to router - not the other way around. Am I doing something wrong, is this the way it is, or is this a quirk of Packet Tracer?
Excellent ... Well done ...
Any idea on how to configure a switch with IPV6 and access it with IPV6?
Very nice explained!
Hi Dan,
At about 7:30 your pinging one of the router’s Link-Local addresses; But how would you know which Link-Local address you’re pinging, as you configured both router I/F’s with the same Link-Local address❓What am I missing❓
*** NOTE ***
Never mind...I get it now...the Link-Local is ONLY per each network segment or ‘Local’ link...
Go to any pc then open cmd... now this is your source pc..
Then give your another pc's ip add so that is your destination address...
Like your mobile phone..
Suppose You want to check your dad's phone if switch on or of...then what you will do you will type your dad's phn no on your mobile thus you can check the connection is ok or not....got it bro
Good video. Easily understood!
if i needed to change the default gateway on the router. what would be the line i need
Your videos are great, thank you :)
Great video. Thanks
00:01 Configuring IPv6 on Packet Tracer 6.0 for host communication
01:19 Creating a link-local address from a MAC address.
02:34 Testing communication between PCs using IPv6 link local addresses
03:49 Enabling IPv6 Unicast Routing on the Router
05:13 Manually configure link local IPv6 addresses with a simple format
06:31 Setting up link local IPv6 addresses on router interfaces.
07:39 Communicating using IPv6 link local addresses
09:03 Configuring routable global unicast IPv6 addresses on devices.
how can we connect ipv4 and ipv6 routers
Great vid!
Do i need to do ipv6 enable after entering my interface?
miss me "ipv6 unicast-rounting" in router, thanks dude.
nice and clear, thanks!
i don´t understand where comes up the numer 2 in the IPV6 address (the .290) min 2.04.
Thanks Dan. I learned something. :-)
I have to set the same thing up but I have to use 3 routers, 3 switches and 3 PCs. But I dont have enough interfaces available on the main router. What can I do to have at least 3 interfaces on the main router?
I can't use the ipv6 unicast-routing command. It says invalid input on the "v6" portion. I am in global config but it still won't work. Help?
Hi,
I am also having same problem. Have you solved this problem?
Do you have the right Router?
Think he uses the 1941. I had the same problem today and some routers dont support ipv6 at All I guess....
@@dem256 It was definitely the router. Could you make sure the router that you use supports ipv6?
Why i am not able to transfer packet??
still confusing for addressing
Sure wish I could get that new packet tracer.
Да, это видео нравится Хольцер
Link local address will be given randomly on windows 7. What a shame! I prefer to rely on the MAC address as shown!
Please make an update video
when i type
Router(config)# ipv6 unicast-routing
^
it says "invalid input detected"
can anyone help?
great tutorials btw!
in packet tracer my ipv6 unicast-routing command is rejected in routers: 262dxm, 2621xm and in both generic. Howerver it is accepted in all the others, why?
same here
IPv6 may not be available for that version of IOS. Maybe try updating it or using a 1941 or 1841 router.
Try on GNS
thx
thanks broo
you are great! :)
^_^ thank you man..
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