IPv6

Hi, so I figured out how to obtain a ipv6 prefix from my ISP (Timewarner) on my WAN router WAN interface.interface GigabitEthernet8 description WAN ... ipv6 address dhcp ipv6 enable ipv6 nd autoconfig default-route ipv6 tcp adjust-mss 1360 ipv6 dhcp ...

HelloI have been trying to get V64 and V46 NAT PT from 2811 as dual stack router. The problem is that at IPV6 side I must go through ASA 5515, with IPv6 Vlan at the inside port. As I did NAT PT on 2811, I must use different subnet for nat prefix, for...

Hello everyone i would like to make my network work on ipv6 and ipv4 in the same interface gi0/0. I have dhcp setup for ipv4 and that is what we are using right now. But my isp is about to change over to ipv6 and would all so like to make the inside ...

Hello guys, I have been reading alot of documents in order to make 3 subnets with IPv6 addresses but I am very confused.I got this address: Fc00::/7 and I need to make three vlans with VLSM(?) for 3 departements DP1 600 hostsDP2 310 hostsDP3 90 hosts...

I am running a Cisco 3845 at home with IOS 151-4.M10.  I get my IPv6 address space from Comcast via: interface GigabitEthernet0/0 description Comcast Public  ipv6 address dhcp ipv6 enable ipv6 dhcp client pd hint ::/60 ipv6 dhcp client pd prefix-from...

Hi fellow network guys,I'm an old guy and been in this game for a while.Ran many enterprise networks and an ISP.I'm looking at moving my ISP to be IPv6 capable.There is a massive amount of information out there, what I'm looking for is some advice fr...

Hi there,Here comes the time to design my first NAT64 solution !I have read some documents from Cisco, but can't get one simple information... Could anyone tell me the NAT64 table size for ASR1002-X ? Best Regards, Emmanuel    

I want to reach multiple VPNs that contain overlapping IPv4 addresses from a single device.Network diagram:Is this possible? What type of device might be needed? (ideal current candidates include a 650x switch (with Supervisor Engine 720), or a FWSM ...

Hola Que tal ? Les cuento mi problema es el siguiente...Tengo un modem Cisco dpc2420. y mi problema es el siguiente... entro a la web de la configuracion del cisco, que por defecto es "192.168.0.1".. en la cual he entrado varias veces a la configurat...

I have 6500E with Sup 2T, running the latest IOS 15.2.1SY1, I'm trying to configure ISIS IPv6 under VRF lite, but I'm getting an error message. test(config-if)# ip router isis%ISIS: Cannot enable ISIS-IP for process with mismatched vrftest(config-if)...

For my IPv6 deployment i need that the hosts should be automatically updated on my DNS server. what are different ways to do that? for IPv4 we have a script that create hostnames and links it to host but in ipv6 there are many address. need suggestio...

I have an Linksys EA6500 connected via Comcast. Speed testing the wireless connection from the router my speeds are:IPv4 90 Mbps, IPv6 90 Mbps downloads! When I connect via my signal extender and run the speed test my speeds are: IPv4 30 Mbps downloa...

Hi,Can any body share me the list of cisco switches that having IPV6 Forum Certified logo. Regards,Satish.

I'm having trouble with IPV6 subnets how does a ::/56 prefix produce 256 subnets? Can someone clarify this for me? I was taught that the ::/64 prefix produces 65,536 subnets so wouldn't the ::/56 prefix produce more than 256 subnets? I'm trying to gr...