My team works with an allotment of IPv4 and IPv6 space, which is given to us from a larger organization in our company (we treat them like and ISP, where we request and are given IP space and allocate this across our buildings and sites as we deem ap...
Hi everybody,I'm running a lab with GNS3 which is composed of 2 ASA's (8.4.2) and one host behind each ASA.In this lab I want to set up a Lan-to-Lan VPN with both peer in IPv6, and internal networks still IPv4. (both peers are in dual-stack)According...
HelloI have two routers CISCO2801 (12.4(9)T6, ADVIPSERVICESK9) and a CISCO1841 (12.4(25f), ADVIPSERVICESK9). IPv6 is configured on both routers and works fine over the internet. Now I had some some trouble to setup IPSec on the 1841 router. On the 28...
Hi everybody, someone knows why in the process of building IPV6 unicast address through EUI-64 the seventh bit from left must be complemented ?? I can't understand ..... thanks
Hi guys,In a dual stack network, how can we decide whether IPv4 or IPv6 address is used in a simulator software? How to test this?Thank you in advance.
Hi guys,I'm confused with this command no bgp default ipv4-unicastWhat I understood is, it's used to disable IPv4 BGP. Why would I have to disable it and then configure a router ID.Can anyone explain please.
Hi everybody,My ISP gave me a /56 block of IPv6 adresses.For our network, we split this block into /64 subnets.The problem is:For each of our subnets (/64), my ISP has to add a route on their router. I asked them if they could put a summarized route ...
Hello Cisco experts.While working with Cisco router with IOS 12.4(25b) I noticed thatI can configure "ipv6 host" that can contain multiple ipv6 addresses,I would like to use it in ipv6 acl but it seems that I can't.Is there syntax or IOS version th...
HiI’m working on a lab for prefix delegation on cat 4500, sup7, cat4500e-universalk9.SPA.03.02.01.SG.150-2.SG1.bin.Prefix delegation works fine, but I’m having problems with decoding the remote-id option inserted by the 4500.The document “Implementin...
hi i am trying to config ipv6 route-map but as my router populate its ipv6 neighbour table it ignore the route-map and route the traffic directly through the interfaces .did any one run into the same situation ?---Posted by WebUser Yehonatan Shemesh ...
Hello,I am trying configure tunnel 6to4 between CRS and 7200 but i can not find the appropiate command on IOS XR. Configuration 7200 side (IOS):interface Tunnel15 description Tunel con CRS no ip address tunnel source Loopback2 tunnel destination 172....
What would be the recommended solution(s) for ISP:s with enterprises only as customers? It both needs to support IPv6 and at the same time save IPv4 resources. Thanks in advance!
As we begin deployment IPV6 we are going to be in a mixed IPV4/6 environment - we have required access lists implemented for IPV4 and must applty the same ACL defined for for IPV6. Is it possible to apply IPV4 and IPV6 access l...
Hi, with IPV4 you use CBWFQ with a Priority queue for voice (marked EF) traffic. However priority queuing is not supported for IPV6 traffic on routers such as the G2's (29xx, 39xx), so what are the alternative LLQ queuing mechanism...
