Hi All,



. Main house Garage Apt
. ___________ ___________
City Fiber feed | | Ethernet LAN port | | ====================|192.168.2.1|===================|192.168.1.1|
. | | (underground feed)| |
. ----------- -----------
. Linksys EA7400 Linksys WRT3200ACM
.
. (no ipv6 addy) fe80:0000:0000:0000:6238:e0ff:feba:0250

ipv6 Internet address for both routers shows blank :(

192.168.1.1 Win 7 ipconfig ipv6: 2001:0000:9d38:6ab8:0c21:0e17:b3b7:fcbc

That's everything I can glean from configs ...


.- Keep the faith, --------------------------------------------------.
| |
| Ben aka cMech Web: http|ftp|binkp|telnet://cmech.dynip.com |
| Email: fido4cmech(at)lusfiber.net |
| Home page: http://cmech.dynip.com/homepage/ | `----------- WildCat! Board 24/7 +1-337-984-4794 any BAUD 8,N,1 ---'

... If it doesn't piss us off its on topic.
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Hi Ben!

01 May 2017 14:16, from Ben Ritchey -> All:

There is something wrong here ...
First why do you cascade the routers??
That is usually a very bad idea.
Just disable the routing function and use it as a switch with a built in WLAN bridge!

. Main house Garage Apt
. ___________ ___________
City Fiber feed | | Ethernet LAN port | | ====================|192.168.2.1|===================|192.168.1.1|
. | | (underground feed)| |
. ----------- -----------
. Linksys EA7400 Linksys WRT3200ACM
.
. (no ipv6 addy)
fe80:0000:0000:0000:6238:e0ff:feba:0250

EVERY IPv6 capable Host has at least one fe80:: address.
Even if it is not connected to the Internet!

If the router on the Internet side does NOT have an IPv6 address where does your IPv6 connectivity comes from??

ipv6 Internet address for both routers shows blank :(

Bad ... are you sure you have IPv6??

192.168.1.1 Win 7 ipconfig ipv6:
2001:0000:9d38:6ab8:0c21:0e17:b3b7:fcbc

Where is the IPv6 address coming from when your router does not have any?? Maybe M$ Win uses one of those brain damaged protocols like Teredo?

Can you ping ipv6.google.com from the win7 box.
Are you sure that your provider provides IPv6?

Maybe the others have a better clue what is going on ... i am baffled.

CU, Ricsi

--- GoldED+/LNX
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* An ongoing debate between Richard Menedetter and Ben Ritchey rages on ...

If the router on the Internet side does NOT have an IPv6 address where does your IPv6 connectivity comes from??

Good question {chuckle}

ipv6 Internet address for both routers shows blank :(

Bad ... are you sure you have IPv6??

No, I am not, I just started seeing ipv6 addresses in the router device lists

192.168.1.1 Win 7 ipconfig ipv6:
2001:0000:9d38:6ab8:0c21:0e17:b3b7:fcbc

Where is the IPv6 address coming from when your router does not have
any?? Maybe M$ Win uses one of those brain damaged protocols like
Teredo?

Another good question :)

Can you ping ipv6.google.com from the win7 box.

No, host not found

Are you sure that your provider provides IPv6?

No :(

Maybe the others have a better clue what is going on ... i am baffled.

Hey, me, too! lol


.- Keep the faith, --------------------------------------------------.
| |
| Ben aka cMech Web: http|ftp|binkp|telnet://cmech.dynip.com |
| Email: fido4cmech(at)lusfiber.net |
| Home page: http://cmech.dynip.com/homepage/ | `----------- WildCat! Board 24/7 +1-337-984-4794 any BAUD 8,N,1 ---'

... If you wish your merit to be known, acknowledge that of others.
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Hi Ben!

01 May 2017 16:04, from Ben Ritchey -> Richard Menedetter:

ipv6 Internet address for both routers shows blank :(

Bad ... are you sure you have IPv6??

No, I am not, I just started seeing ipv6 addresses in the router
device lists

Call your provider and ask for IPv6.

Also stop using cascaded routers also on IPv4.
Just changed the config to dumb down the routing on the second router to a dumb

switch.

Can you ping ipv6.google.com from the win7 box.

No, host not found

At the moment I assume that you do NOT have IPv6.

CU, Ricsi

--- GoldED+/LNX
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Hello Richard,

On Monday May 01 2017 22:06, you wrote to Ben Ritchey:

If the router on the Internet side does NOT have an IPv6 address where does your IPv6 connectivity comes from??

ipv6 Internet address for both routers shows blank :(

Bad ... are you sure you have IPv6??

I think he has no /native/ IPv6.

192.168.1.1 Win 7 ipconfig ipv6:
2001:0000:9d38:6ab8:0c21:0e17:b3b7:fcbc

Where is the IPv6 address coming from when your router does not have
any?? Maybe M$ Win uses one of those brain damaged protocols like
Teredo?

According to whois.arin.net, the above 2001: address resolves to 6RD from AT&T.

Can you ping ipv6.google.com from the win7 box.
Are you sure that your provider provides IPv6?

Yes via a 6RD tunnel is my guess.

Maybe the others have a better clue what is going on ... i am baffled.

6RD automatic tunnel is my guess.


Cheers, Michiel

--- GoldED+/W32-MSVC 1.1.5-b20170303
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* An ongoing debate between Richard Menedetter and Ben Ritchey rages on ...

Also stop using cascaded routers also on IPv4.

Heck no, it works great!

Just changed the config to dumb down the routing on the second router
to a dumb switch.

Can't, need DNS plus Reserved, wireless and switching for both routers. Two completely different households/systems that don't overlap.


.- Keep the faith, --------------------------------------------------.
| |
| Ben aka cMech Web: http|ftp|binkp|telnet://cmech.dynip.com |
| Email: fido4cmech(at)lusfiber.net |
| Home page: http://cmech.dynip.com/homepage/ | `----------- WildCat! Board 24/7 +1-337-984-4794 any BAUD 8,N,1 ---'

... No grass grows where my horse has trod. - Atilla the Hun
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Ben Ritchey wrote to All <=-

. Main house Garage Apt
. ___________ ___________
City Fiber feed | | Ethernet LAN port | | ====================|192.168.2.1|===================|192.168.1.1|
. | | (underground feed)| |
. ----------- -----------
. Linksys EA7400 Linksys WRT3200ACM
.
. (no ipv6 addy)
fe80:0000:0000:0000:6238:e0ff:feba:0250

Yuk! Unfortunately, the design of most home routers encourages the worst possible network configuration. Being a home network, I don't see any need to have a second router. However, you may need a second wifi AP, and the second router can be configured to do this. Third party firmware like OpenWRT/DD-WRT will make it easier and more flexible to configure this way. But in 99% of cases, you can simply turn off the DHCP server in the second router and plug the feed from the house into one of the LAN ports (NOT the WAN port), and it's become a switch/wifi AP.

ipv6 Internet address for both routers shows blank :(

Well, that's your first issue to sort, getting IPv6 from your provider into your LAN (unless you're using tunneling).

192.168.1.1 Win 7 ipconfig ipv6:
2001:0000:9d38:6ab8:0c21:0e17:b3b7:fcbc

Hmm, where did that IPv6 address come from? Are you using a tunnel provider directly on the Windows box?


... Success usually comes to those too busy to look for it.
--- MultiMail/Win32 v0.49
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Michiel van der Vlist wrote to Richard Menedetter <=-

According to whois.arin.net, the above 2001: address resolves to 6RD
from AT&T.

That might explain where the 2001: address came from, though seems IPv6 DNS is still busted. I'd certainly sort out the LAN topology in any case, make it look physically like here - single flat LAN (minus my additional overlaid networks ;) ).

A traceroute heads towards he.net. :)

C:\Users\Tony>tracert 2001:0000:9d38:6ab8:0c21:0e17:b3b7:fcbc

Tracing route to 2001:0:9d38:6ab8:c21:e17:b3b7:fcbc over a maximum of 30 hops

1 * 67 ms 23 ms 2001:4478:1::54
2 19 ms 19 ms 20 ms 2001:4478:1::54
3 33 ms 35 ms 21 ms 2001:4478:1:1::245
4 55 ms 63 ms 32 ms ae12.br1.syd7.on.ii.net [2001:4478:1:1::1c]
5 188 ms 191 ms 188 ms te0-2-1-3.br1.sjc2.on.ii.net
2001:4478:1:1::103
]
6 224 ms 211 ms 224 ms 100gigabitethernet2-3.core1.sjc2.he.net
2001:50
4:0:1::6939:1]
7 199 ms 187 ms 192 ms 6to4.sjc2.he.net [2001:470:0:1e1::2]
8 * * * Request timed out.
9 * * * Request timed out.
10 * * * Request timed out.
11 ^C

... Midgets simply belittle.
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Ben Ritchey wrote to Richard Menedetter <=-

Also stop using cascaded routers also on IPv4.

Heck no, it works great!

In IPv4, cascaded NAT actually breaks things in subtle ways.

Just changed the config to dumb down the routing on the second router
to a dumb switch.

Can't, need DNS plus Reserved, wireless and switching for both routers. Two completely different households/systems that don't overlap.

DNS - don't know what you mean here, you can point all devices to your ISP's DNS servers and it all "just works" for 99% of people.

Wireless, it is possible to run a wireless router as a switch/access point. Done it heaps of times myself.

Now if the households are separate, with the default way of cascading, the household on the second router can see everything on the house LAN. Is this what you want? Using proper (non NAT) routing and firewalling would be a better way to go, to keep the networks separate. The only NAT would be at the connection to the Internet But that does require a bit of networking knowledge to pull off, and I would want to be running a capable OS on the main router (e.g. OpenWRT), as many home routers are brain dead when it comes to handling multiple subnets, as this is not a common configuration.

Of course, with IPv6, you'd have to do the same - run separate /64 LAN segments on each LAN and route / firewall between them. That would require an ISP willing to route more than a /64 (e.g. a /56) to you. For example, I could do it here, as I have a /56.


... Auto correct has become my worst enema.
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Hi Ben!

01 May 2017 16:43, from Ben Ritchey -> Richard Menedetter:

Also stop using cascaded routers also on IPv4.

Heck no, it works great!

Usually not ;) (double NAT, double port forwards, etc.)

Just changed the config to dumb down the routing on the second
router to a dumb switch.

Can't, need DNS plus Reserved, wireless and switching for both
routers. Two completely different households/systems that don't
overlap.

You are the exception to the rule then.
In that case it makes sense ;)))

Anyhow ask your provider for IPv6, and see what happens.
Oh ... and report back if you get a positive response.
We want to cheer with you ;)

CU, Ricsi

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