IPv6

Hi,This is really embarrasing ... we decided to deploy IPv6 internally, since our internal devices (cat6ks and c3750s) all support dual stack, I enabled IPv6 on all VLANs in cat6k (s222-adventerprisek9_wan-mz.122-18.SXF17a.bin) and OSPFv3 along with ...

Hi all,I've just configured an IPv6 address in two interfaces of two different routers connected to the same vlan. The thing is that I can't ping each other and I see this "IPv6 is stalled" message that seems to be the cause of the problem.  I first ...

Hi, I’m using a C3750 on which I would like to modify the IPv6 MTU for a GRE tunnel interface.I’m running a 12.2(46)SE release of IOS and the “ipv6 mtu” command is not available.Is there a way to change this value ?Why I need this change ?I’ve a GRE ...

Hello,I've a questiona about IPv6 Global Prefix RA.I have 2 routers (r1 and r2) connected via fastethernet0/0 interface.On the first router i have gone trough the ipv6 set up:1. I have create a ipv6 address: #ipv6 address 2001:aaa:bbbb:cccc::/64 eui-...

Hi everyone,While I research NDP functions both hosts and routers in IPV6 I can`t understand some issues about NDP behavior on nodes. I saw conceptual data structures and caches for host in lots of documents in addition to RFC 4861. My first question...

Hello.I am completely new in IPv6 and I started reading RFC 4861 for NDP.Can anyone help me understand the purpose of on-link prefixes and off-link prefixes? I believe the routers can advertise networks (using RA) as on-link or off-link. Does this me...

hii have usually heard that IPv6 resolved the problem of broadcasthowever today i read that the "neighbor discovery" ICMP message replaced the ARP requestbut this "neighbor discovery" is using the multicast as destination addressand if i m not wrong ...

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...