IPv6

I could not find any documentation as to what vender specic ID (Enterprise ID) to use for providing and IP Phone with a IPV6 TFTP Server via DHCP.  This is the equivelent of Option 150 in IPV4. I did find a post that showed it, but the post was talki...

Does anyone have any experience setting up NAT64 using Google DNS64? I have just started using IPv6 and am unable to access IPV4 network over this obviously. But I am having issues configuring NAT64, I m wanting to use stateful (unless I am unable t...

I have a Cisco 2851 Router that connects to a SB6183-Cable Mobem My provider supports IPv6 so I want to set it up on the  "outside" interface But the "outside" interface get an IP Address via DHCP...which never changes So I do not know if it is even ...

Hi I am working with a cisco nexus 9300. I thought I had several ipv6 features running, and I still can't configure MLD. When I run: # show ipv6 mld interface ethernet 1/1 I get response: IPv6 is disabled on Ethernet1/1 What steps do I need to take...

Hello Guys , I have a 2900 Series ISP provided router. They have provided me an IPV6 /64 range in LAN interface. When i connect a laptop directly to that interface and assign a static IP  fd1d:27ba:9514:61bf::5/64  (This is just for Example) On ro...

Hi guys, just a short question. We are implementing some projects that only have one L3 Switch.  Cisco told us to use IP Services for the ipv6 routing... but we only have 1 router... In case we are using just a device for the layer3 and the rest are...

Hi guys,I am having trouble with receiving IPv6 address from my 2811 CME router that has been configured as a DHCPv6. Could you please help me what is wrong with my configuration below? Thank you.Router#sh runBuilding configuration...Current configur...

Hello, I have a requirement where I need to deploy multiple cisco IP phones in a IPv6 deployment. And each of these phones will be talking to their individual tftp servers. Can you please let me know how we can configure individual dhcpv6 pool for ea...

Hello , I am trying to setup nat-pt so that an ipv6-only network can communicate with an ipv4-only network and vice-versa..I have followed the cisco ipv6 configuration guide and the following link http://cciethebeginning.wordpress.com/2009/07/27/ipv6...

Como descubro o part number de um produto?  GLC-T Cisco 1000BASE-T SFP How do I find the part number of a product? GLC-T Cisco 1000BASE-T SFP

In a solution with two redundant servers we have observed the following awkward behavior: When the primary server is up and running the Cisco 3560 L3 switch is updated with the IPv6 address and the Link-Layer address of that server and routes the tra...

So if you can't specify a range of IP's in DHCPv6, I need to do 2 exclusion ranges, is it possible? It's because my valid range it's within the segment, for example (ipv4) Range: 192.168.1.100 to 192.168.1.200 So I need to exclude from: 192.168.1.1 ...

Hello, I'm new kinda new about IPv6 and configuration of cisco routers, so I need some help. I need to set an starting and ending IP to the DHCPv6, but I can't find how. I did read that you can't do that in DHCPv6 because the amount of IP that it ma...

I understand the benefits of auto-configuration and the purposes of RA messages and so on, but I was wondering if from a controlled environment where all the IPs will be configured manually, if it is recommended to suppress all the RA messages. Let ...