headers
Andy Davidson | 3 Aug 2010 23:57

Re: Cisco 1801W, v6 on wireless, bvi argh.


On 18 May 2010, at 11:08, Nick Hilliard wrote:

> On 18/05/2010 10:58, Ole Troan wrote:
>>>> You didn't try 12.4(22)T, did you?  This bug was fixed in that version, and
>>> 
>>> I lied - the bug wasn't fixed in that version after all.
>>> 
>>> I could have sworn at the time that either this bugid or a similar bugid
>>> was marked fixed in 12.4(22)T.  However, looking at the description for
>>> CSCej50923, there's no fixed listed for 12.4T at all.  Same with bugid
>>> CSCta27529, which was mentioned in:
>> 
>> CSCta27529 is integrated in 15.1T images.
> 
> Both CSCej50923 and CSCta27529 are listed as being fixed in 15.1(0.1)T
> onwards.  However, if as Andy claims there is no "bridge XXX route ipv6"
> command in 15.1(1)T, then it looks like there's something odd going on.

Well, I can't explain the following based on the information in the bug tool, but I upgraded to 15.1(2)T (Adv
Enterprise), and ipv6 is working on the bvi interface right now.

bridge XXX router ipv6 still does not appear as a possible command, but I put the ipv6 address on the BVI
interface, and everything is singing and dancing as planned.

*****Thank you***** to anyone on list who was involved with making this work.

Bits of config that might serve as a hint, get in touch offlist for more ...

ipv6 unicast-routing
(Continue reading)

Permalink | Reply | 18 comments |
headers
Gert Doering | 4 Aug 2010 11:54
Favicon

Re: Cisco 1801W, v6 on wireless, bvi argh.

Hi,

On Tue, Aug 03, 2010 at 10:57:45PM +0100, Andy Davidson wrote:
> Well, I can't explain the following based on the information in
> the bug tool, but I upgraded to 15.1(2)T (Adv Enterprise), and ipv6
> is working on the bvi interface right now.
> 
> bridge XXX router ipv6 still does not appear as a possible command,
> but I put the ipv6 address on the BVI interface, and everything is
> singing and dancing as planned.

At last :-) - Thanks for this update.

> Bits of config that might serve as a hint, get in touch offlist for more ...

If this box isn't in production use, could you test something?

> interface Dot11Radio0
>  description Wireless Network / vlan 2
>  no ip address
>  !
> !
> interface Dot11Radio0.2
>  encapsulation dot1Q 2
>  bridge-group 1
>  bridge-group 1 subscriber-loop-control
>  bridge-group 1 spanning-disabled
>  bridge-group 1 block-unknown-source
>  no bridge-group 1 source-learning
>  no bridge-group 1 unicast-flooding
(Continue reading)

Permalink | Reply | 16 comments |
headers
Andy Davidson | 4 Aug 2010 12:00

Re: Cisco 1801W, v6 on wireless, bvi argh.


On 4 Aug 2010, at 10:54, Gert Doering wrote:

> and configure ipv4 + ipv6
> addresses directly on the dot11radio0.2 interface (making it a routed
> WiFi network, instead of bridged-to-wired) - will that work?
> 
> My last test for this failed, because there were no "ipv6 ..." commands
> at all on "int dot11radio0.2" (while "ip ..." works as expected).

Hi, Gert

The situation does not seem to have changed in this regard.

bcliffe-gw(config)#interface Dot11Radio0.2
bcliffe-gw(config-subif)#ipv
bcliffe-gw(config-subif)#ipv?
% Unrecognized command

Andy
Permalink | Reply | 0 comments |
headers
Jens Link | 4 Aug 2010 12:00
Picon

Re: Cisco 1801W, v6 on wireless, bvi argh.

Gert Doering <gert <at> space.net> writes:

> My last test for this failed, because there were no "ipv6 ..." commands
> at all on "int dot11radio0.2" (while "ip ..." works as expected).

Which IOS version? 

I had a similar problem on an 871 and upgrading to 12.4(20)T1 helped.

cheers

Jens
--

-- 
-------------------------------------------------------------------------
| Foelderichstr. 40   | 13595 Berlin, Germany    | +49-151-18721264     |
| http://blog.quux.de | jabber: jenslink <at> guug.de | -------------------  | 
-------------------------------------------------------------------------
Permalink | Reply | 14 comments |
headers
Gert Doering | 4 Aug 2010 12:05
Favicon

Re: Cisco 1801W, v6 on wireless, bvi argh.

Hi,

On Wed, Aug 04, 2010 at 12:00:19PM +0200, Jens Link wrote:
> Gert Doering <gert <at> space.net> writes:
> 
> > My last test for this failed, because there were no "ipv6 ..." commands
> > at all on "int dot11radio0.2" (while "ip ..." works as expected).
> 
> Which IOS version? 
> 
> I had a similar problem on an 871 and upgrading to 12.4(20)T1 helped.

"different business unit".  

(But interesting, I assumed so far that IPv6-on-Wireless wasn't supported on
*any* Cisco gear)

Gert Doering
        -- NetMaster
--

-- 
Total number of prefixes smaller than registry allocations:  155817

SpaceNet AG                        Vorstand: Sebastian v. Bomhard
Joseph-Dollinger-Bogen 14          Aufsichtsratsvors.: A. Grundner-Culemann
D-80807 Muenchen                   HRB: 136055 (AG Muenchen)
Tel: +49 (89) 32356-444            USt-IdNr.: DE813185279
Permalink | Reply | 12 comments |
headers
Daniel Suchy | 4 Aug 2010 16:00
Picon
Favicon

Re: Cisco 1801W, v6 on wireless, bvi argh.

Hello,

On 08/04/2010 12:05 PM, Gert Doering wrote:
>> I had a similar problem on an 871 and upgrading to 12.4(20)T1 helped.
> (But interesting, I assumed so far that IPv6-on-Wireless wasn't supported on
> *any* Cisco gear)

according to my observations, on C871, with versions up to 12.4(22)T,
including maintenance releases, there's no problem with configuring IPv6
on wirelesess interface. With 12.4(24)T, this is problem, probably
someone removed (?!) support for IPv6...

With regards,
Daniel
Permalink | Reply | 11 comments |
headers
Nick Hilliard | 4 Aug 2010 17:22
Picon

Re: Cisco 1801W, v6 on wireless, bvi argh.

On 04/08/2010 15:00, Daniel Suchy wrote:
> according to my observations, on C871, with versions up to 12.4(22)T,
> including maintenance releases, there's no problem with configuring IPv6
> on wirelesess interface. With 12.4(24)T, this is problem, probably
> someone removed (?!) support for IPv6...

Which brings up the issue: why was adding ipv6 support to BVIs so difficult 
in the first place?  I would love to know what tortured coding hacks were 
required to implement this, because sure as hell, if this were a relatively 
simple matter, Cisco would have implemented it long ago.

Nick
Permalink | Reply | 10 comments |
headers
Gert Doering | 4 Aug 2010 17:27
Favicon

Re: Cisco 1801W, v6 on wireless, bvi argh.

Hi,

On Wed, Aug 04, 2010 at 04:22:05PM +0100, Nick Hilliard wrote:
> Which brings up the issue: why was adding ipv6 support to BVIs so difficult 
> in the first place?  I would love to know what tortured coding hacks were 
> required to implement this, because sure as hell, if this were a relatively 
> simple matter, Cisco would have implemented it long ago.

Given that it *still* doesn't work to have routed WiFi interfaces with
IPv6, it must be something so horrible that we'll all go back to DECnet 
or Appletalk if we learn about it...

gert
--

-- 
Total number of prefixes smaller than registry allocations:  155817

SpaceNet AG                        Vorstand: Sebastian v. Bomhard
Joseph-Dollinger-Bogen 14          Aufsichtsratsvors.: A. Grundner-Culemann
D-80807 Muenchen                   HRB: 136055 (AG Muenchen)
Tel: +49 (89) 32356-444            USt-IdNr.: DE813185279
Permalink | Reply | 9 comments |
headers
Daniel Verlouw | 4 Aug 2010 17:40
Picon
Favicon

Re: Cisco 1801W, v6 on wireless, bvi argh.

On Wed, 2010-08-04 at 17:27 +0200, Gert Doering wrote:
> Given that it *still* doesn't work to have routed WiFi interfaces with
> IPv6, it must be something so horrible that we'll all go back to DECnet 
> or Appletalk if we learn about it...

well, to make things worse, I've been struggling with a brandnew 887W
all day now. Guess what? Routed ipv6 on wifi works perfectly, on SVI
wired interfaces it doesn't :( Router advertisements are simply not
coming through... 

"debug ipv6 nd" says everything is fine, RA's are being sent etc.
tcpdump on a directly connected host thinks otherwise. *sigh*

This is on 15.0.1(M3) btw.

   --Daniel.
Permalink | Reply | 8 comments |
headers
Gert Doering | 4 Aug 2010 17:42
Favicon

Re: Cisco 1801W, v6 on wireless, bvi argh.

Hi,

On Wed, Aug 04, 2010 at 05:40:34PM +0200, Daniel Verlouw wrote:
> On Wed, 2010-08-04 at 17:27 +0200, Gert Doering wrote:
> > Given that it *still* doesn't work to have routed WiFi interfaces with
> > IPv6, it must be something so horrible that we'll all go back to DECnet 
> > or Appletalk if we learn about it...
> 
> well, to make things worse, I've been struggling with a brandnew 887W
> all day now. Guess what? Routed ipv6 on wifi works perfectly, on SVI
> wired interfaces it doesn't :( Router advertisements are simply not
> coming through... 
> 
> "debug ipv6 nd" says everything is fine, RA's are being sent etc.
> tcpdump on a directly connected host thinks otherwise. *sigh*
> 
> This is on 15.0.1(M3) btw.

Well, *this* is the old "IPv6 on BVI does not work right" bug.

Try 15.1T or whatever the original poster reported that worked for his
1800 :-)

Gert Doering
        -- NetMaster
--

-- 
Total number of prefixes smaller than registry allocations:  155817

SpaceNet AG                        Vorstand: Sebastian v. Bomhard
Joseph-Dollinger-Bogen 14          Aufsichtsratsvors.: A. Grundner-Culemann
(Continue reading)

Permalink | Reply | 7 comments |

Gmane