Hello, I am trying to run Ipv6 via our network but the cisco 3750 vlan has a local link and is showing up as a gateway on the a connected client on that vlan. can i stop the link-local fe80 ipv6 ip's from being enabled on the vlan and showing up as a...
Hi All My devices can't access tools.cisco.com to update their SMART (or rather no so...) license status via IPv6. As this is the preferred protocol for most devices today, they only try it via IPv6. Here some data: $ ping 2001:420:1101:5::A PING 2...
I have devised the following ZBPF on my 1941 router. Problem is IPv6 doesn't work. I cannot get any IPv6 connectivity. IPv6 works fine with the ZBPF disabled, i.e. not applied to any interfaces. Anyone have any ideas as to why it doesn't work. ! clas...
hello,I have the following scenario. An ASR1002 with software version 03.13.10.S. The ASR has configured the IPv6 prefixes to assign to the clients, and once it assigns them it sends the avpairs to a Freeradius. The problem is that in the packet capt...
Hi, Is there any way to configure DHCPV6 relay in CPT ver. 8.0.1.0064 (64-bit). I have tried to configure it on C4300, C2900 & C1900 router with the interface configuration mode command "ipv6 dhcp relay..."(I did't write the full command here) bu...
Hello. We have setup a IPv6 IP on a vLan which we use as a gateway for our pfsense but the issue is that the ipv6 on the vlan is advertising IP's which we want to disable. I have tried a few different things but with no luck. Can anyone give any advi...
Hello, maybe someone can help me with my problem. I'm currently trying to setup just a simple connection to the internet via an ISR 1100 LTE router but I'm also kind of new to the Cisco and IPv6 world. Following problem: My Host (Windows 10) is getti...
Hi all, I have tried configuring a Ipv6 subnet address 2001:0dce:0000:0000::1/53 into the router interface.It works but when the I tried setting the auto-configuration button on the PC connected to this interface, it does not work. However, if I put ...
Before IPv6 came along, everyone used IPv4. Almost everyone still uses IPv4. When you connect to a computer over the internet, you don't connect to a name like "google.com". Using the domain name system (which works like a phonebook), your computer f...
Hi,I have a dual stack IPV4/IPV6 router/firewall (C892FSP-K9).I configured IPV6. The thing is that IPV6 is not working as expected.The router is behind a French box (Free) giving Internet access. The symptom:No incoming traffic is going through the r...
Sorry for the translation, I'm Spanish.I have a problem. I have configured IPv6 and everything works fine only locally. If I ping from outside, I can't get access. Can you think of what can happen?I put my configuration in case it helps you to guide ...
Hello, I'm trying to learn Dns64 + nat64.I didn't configure NAT64 for prefix 64:FF9B::. However, it seems that the router support NAT64 translation for prefix 64:FF9B:: even though I configured NAT64 for another prefix.Is it a designed operation? If ...
Hi, I'm actually using CML for studdie for my CCNP recertification. I had created an OSPFv3 environment using IOSv 11 routers with 5 areas. In the area 4 I have 1 one router other than the ABR on which I created some prefixe to summarise. On the ABR...
I have a private cross-connection with a service providerThis private connection is connected from my firewall to their router and the L3 IP range /30 for this segment is privateHowever, i just realized that when they provided us their application IP...
Hello,I need to configure a Cisco IOS router (891 or 1100) as CPE on a FTTH connection. This line is a IPv6 DualStack-lite (DS-Lite) connection where I get a IPv6 on the WAN interface over PPP.Now I need some kind of tunnel config for the B4 (Basic B...
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