Cisco 1801W, v6 on wireless, bvi argh.

[Patrick Grossetete]

I didn't see the "bridge 1 route IPv6" command in your configuration

 

Regards

Patrick

 

 

From: ipv6-ops-bounces+pgrosset=archrock.com at lists.cluenet.de
[mailto:ipv6-ops-bounces+pgrosset=archrock.com at lists.cluenet.de] On Behalf
Of Andy Davidson
Sent: Sunday, May 16, 2010 10:12 PM
To: ipv6-ops at lists.cluenet.de
Subject: Cisco 1801W, v6 on wireless, bvi argh.

 

Hi,

 

Please help me get ipv6 working on my Cisco 1801W test router.  I have
working v6 on my wired vlan, but not wireless.

 

Cisco Bug CSCej50923
Symptom : BVI Routing does not work for IPV6 addressing.

This bug is marked 'fixed' as at February 2010, providing I use one of the
fixed versions of IOS.  I installed 15.1(1)XB in February on my Cisco
1801, which is one of the ones which has this bug fixed, however I could
not route IPv6 over the bridged/BVI interface.  I lost interest for a
little while, earlier I installed 15.1(1)T, but v6 still does not work
over the v6 interface.

 

By 'work', I mean pass v6 frames, act as a gateway, do ND, do router
advertisement.

 

If the bug *is* fixed, then is it my config which is wrong, surely.. This
is what I am doing - if someone has suggestions, I am all ears.  There are
two attached methods :

 

 

=========================================================

Method 1 - BVI

 

ipv6 unicast-routing

ipv6 cef

ipv6 multicast-routing

!

bridge irb

!

interface Dot11Radio0

 description Wireless Network / vlan 2

 no ip address

 no ip redirects

 ip local-proxy-arp

 ip virtual-reassembly

 ip tcp adjust-mss 1400

 !

 encryption mode ciphers tkip 

 !

 encryption vlan 2 mode ciphers tkip 

 !

 ssid rustykettle

 !

 speed basic-1.0 basic-2.0 basic-5.5 basic-6.0 basic-9.0 basic-11.0
basic-12.0 basic-18.0 basic-24.0 basic-36.0 basic-48.0 basic-54.0

 channel 2442

 station-role root

 world-mode dot11d country US indoor

 hold-queue 100 out

!

interface Dot11Radio0.2

 encapsulation dot1Q 2

 no ip redirects

 ip local-proxy-arp

 ip tcp adjust-mss 1400

 no cdp enable

 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

!

interface Vlan2

 description Wireless network VLAN

 no ip address

 ip pim sparse-dense-mode

 ip virtual-reassembly

 ip tcp adjust-mss 1400

 ip ospf 10 area 0

 ipv6 enable

 bridge-group 1

 bridge-group 1 subscriber-loop-control

 bridge-group 1 spanning-disabled

!

interface BVI1

 ip vrf forwarding vrf_Tunnel

 ip address 91.194.69.65 255.255.255.192

 ip nat inside

 ip virtual-reassembly

 ip tcp adjust-mss 1400

 ipv6 address 2A02:C30:100:2::1/64

 ipv6 enable

 

 

Issue :  connected ipv6 route for 2a02:c30:100:2::/64 is not installed in
the routing table.  devices on this lan do not discover the router via RA,
router does not learn any neighbors in this subnet.

 

 

=========================================================

 

Method 2: Address on radio interface

 

As above, but ..

 

no int bvi1

interface Dot11Radio0.2

 no bridge-group 1

 ip address 91.194.69.65 255.255.255.192

 ip vrf forwarding vrf_Tunnel

 ipv6 address 2A02:C30:100:2::1/64

 ipv6 enable

 

 

Issue :  IPv4 configuration is accepted, and routes properly.  ipv6 config
is not 'taken' by the router - it barfs at the 'v' on each of the ipv6
lines..

 

=========================================================

 

Any ideas ?

 

Kind regards, thanks and adoration in advance,

Andy

 

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