How can I configure CISCO Router CGR1120 to all node's address is formed by an specific prefix + node's EUI64, as example below: Prefix: fa75:4433:4433:1010/64 Node 1: EUI-64 = 10-23-4f-4a-00-00-10-1e IPv6 = fa75:4433:4433:1010:1023:4f4a:...
Hello,I've a cisco 2901 with 15.7(3)M2 with a vdsl modul connected to a german Provider (deutsche Telekom). Technically everything is fine, but I've a problem with convergence when my router reboots and/or my dsl line is flapping.They use ppp and I u...
I have alot of logs in my routers stating that ipv6 nd has exceeded the cache limit.I'm trying to find any relevant information about IP-IPV6_ND-4-WARNING_CACHE_LIMIT_HIT but there are non to find.The logs indicates cache limit problem with several i...
I'm having trouble understanding the prefix part.from what i know for example 2001:dead:beef::/48 is my network prefix i cant change those 48 bits.and that my next 16 hex bits 0000 is my sub net bits when you add them up give you 64 bits.but whats c...
Hello. I am trying to configure DHCPv6 on my router for two private development vlans.My dns servers are offsite and there is no IPv6 other than on my subnets.How do I configure the dns-server in my IPv6 pool?For example, my config (IP Addresses cha...
Hello I have a laboratory with a pfsense firewall as a gateway and 2 cisco routers with ospf connecting each other and a switch each one.I have a public IPV4 assigned to the external firewall interface and 192.168.1.1 to the internal nic. One cisco r...
HiI have configured DHCPv6-PD on my switch and it is working well. Now i want to collect the accounting for prefix allocate so i can know when a prefix was allocated and to whom MAC it was allocate to. here is my aaa config aaa new-modelaaa group se...
Hello, guys, I am using cisco packet tracer I used for configuration all ipv6 and I have faced problem in frame relay I configured it but still does not work I will upload the packet. plz, help thank you.
Hello everyone I'm trying to get my frame-relay working from router 1 to the router internet, I have added frame-relay maps for both according to the IP address, and also added the frame relay connection in the cloud itself, yet I am not able to ping...
Hi Everyone, I am trying to ping from PC10 to PC-class1-internet but i am unable to do so . I have configured OSPF protocol on both the routers (R1 & R2) and all on the interfaces but still cant. THe network topology is attached for your informatio...
Hi Everyone, I want the centre administration & tutor computer to not be able to access the internet but can access web and file server. I have tried this coding but it doesn't work. access-list Filter1deny tcp host 2001:AAAA:BBBB:4::2 host 2001:ABC...
I've got DHCPv6 running on my ASR1001-x and it seems to be working except my dhcp database binding keeps failing. Here's the config and show results. ASR.JP.1001X-01#show run | i databaseipv6 dhcp database bootflash write-delay 120 ASR.JP.1001X-01#sh...
There are four command lines related to generating default routes and direct routes (Cisco7200 15.2(4) M11). I want to know the relationship, differences, and processing behavior of these command lines:1.ipv6 nd autoconfig prefix2.ipv6 nd autoconfig ...
I have the command "ip dns server" in the config on my Cisco 1841 router. Does that mean it is listening on its IPv6 addresses for DNS lookups from clients? Or are only v4 addresses supported for binding to the DNS server? I couldn't find an IPv6-spe...
Hello guys,I was wondering what are the options available for IPv6 to IPv6 NAT (nat66). It looks like it is not very common practice so there is not much information available. I am interested in setting up a nat pool to hide internal ipv6 addresses....
