IPv6

Anyone know how to specify the ipv6 dhcp relay source-interface on a 4900M (running 15.0.2-SG)?We really need this to be able to deploy DHCPv6.On our 3750E running 15.0.1SE1 we can just specify 'ipv6 dhcp relay source-interface loopback0' unfortunate...

Hi All! have a challenge...Am working of MS UAG DirectAccess and we have 6 sites out there.The requirement was to also have manage-out functionality working.To get this done we have 1 global ISATAP cloud. In each Datacenter we have a Cisco 2800 runni...

From the cisco configuration guide;Perform this task to enable the DHCPv6 relay agent function and specify relay destination addresses on an interface. SUMMARY STEPS 1. enable 2. configure terminal 3. interface type number 4. ipv6 dhcp relay dest...

I have a 1841 for home / practice use running  "c1841-advipservicesk9-mz.124-24.T3 IOS"Although i have enabled ipv6 unicast-routing when i switch to int dot11radio i cannot seemto be able to execute any ipv6 commands. I want to configure ipv6 for all...

I have an issue with IPv6 prefix delegation over PPPoE. When my router gets his v6-prefix delegated, it automatically creates a null route for this prefix. The problem is that I also have a static route to my firewall for the whole prefix, so now the...

Hi,A while back the general advise was to assign a /64 for each and every VLAN. I still believe this to be true and a correct advise for all VLANs that connect end-users (because of auto address features and temporary addresses).But is this still tru...

Hi Everyone,In short: I am trying to get ipv4 and ipv6 over PPPoE running on my PIX515e.Heres a bit more info about my setup and the scenario:My internet provider (residential) has offered me a dual-stack service on my ADSL.I get a STATIC ipv4 addres...

I am trying to utilize NBAR protocol-discovery to determine what application are active on a lan segment to include IPv4/IPv6 traffic.My router does not support NBAR for IPv6. Upgrading is not an option yet.  NBAR allows for custom filters so I want ...

Hello, does anybody know what is exactly Cisco IP6FD and where to get documentation about it? It's a Cisco Certification or just a course?Is there official documentation? Thanks!!---Posted by WebUser José Manuel Garrido Malagón

I just brought up a ipv6ip tunnel to Hurricane Electric to help me begin to learn about IPv6.The only debug command I have found for this type of tunnel is debug tunnel.  I have found several show commands that give some info but I was looking for so...

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 ''Enabling Traffic to be Sent from an IPv6 Network to an IPv4 Network without...