IPv6

I don't know whether I should laugh or cry. I was browsing Cisco's Feature Navigator when I noticed this feature:IPv6 Data Link: VLANs using IEEE 802.1Q EncapsulationDot1q doesn't have anything to do with the IP layer. If I don't upgrade to another f...

Hi,I am working on my first project to place IPv6 users on IPv4 Internet. I see 2 challenges :- NAT 6to4 with IPv4 interface address (overload)- DNS6 request (DNS ALG, it seems to be only in the book and nowhere else...)How can I fix those 2 items ?T...

Hi,I have a new 881 router loaded with the latest 15.1.3T software, and I'm trying to get it connected to the Comcast 6RD IPv6 routers.  (I'm on a Comcast cable modem.)I've been trying to follow the directions from these links:http://docwiki.cisco.co...

Have been banging my head against a wall after somehow losing the ability for prefix delegation after moving from an 877 -> 887."ipv6 dhcp" no longer works but documentation for the feature at http://www.cisco.com/en/US/docs/ios/ipv6/configuration/gu...

Hi, I am running a test scenario as described below to bring up 6PE, connecting 2 IPV6 islands over a MPLS core.All routers run the same IOS (Dynamips)PE1#sh verCisco IOS Software, 7200 Software (C7200-SPSERVICESK9-M), Version 15.0(1)M, RELEASE SOFTW...

Regarding the selection of interface IDs for IPv6 I came across these rules the other day while reading a forum (HE.net or ipv6.ops list):1.  Do not use all 0s. (interferes with Router Anycast)2.  Do not use all 0s with one character at the end (inte...

I have a design I'm working on which will require among other things dual stack across MPLS. Configuring CE routers for dual stack seems very straight forward, however I'm having trouble finding documentation describing the BGP config for multihoming...

Hello. I work for a small co-lo/hosting provider trying to be live for World IPv6 day. As such I have questions about BGP transitions and ASA support. I'll not ask them all at once though. I plan to implement dual-stack for our hosting edge. Our ASA...