Mar 11, 2016 · If you are having issues with Outlook constantly losing connectivity to Office 365, and you have comcast as your isp, then a possible solution is to turn off IP V6 support on your adapter. There is an issue with Comcast, IPV6, and outlook/exchange via Office 365 connectivity. Once I turned this off on the adapter my issues went away.
The next phase of our troubleshooting will focus on IPv6-specific issues that we have not yet tested. IPv6-capable nodes follow a process of default address selection ( RFC 3484 ). Resolving Internet connectivity issues after World IPv6 Sep 04, 2013 The Move Toward IPv6: Issues and Actions - SearchNetworking The Move Toward IPv6: Issues and Actions. Experts believe that because of the address limitations of the current IPv4 protocol, the Internet is running out of space and we are headed for catastrophe. The solution is to deploy IPv6, a next-generation protocol more than three decades in the making that uses an address bit size four times that of
IPv6 Security Brief - Cisco
Use a 6to4 tunnel over your ISP to other IPv6 sites. For an address, use the registered IPv4 address of the 6to4 router as the public topology part of the IPv6 address. Security Issues When Tunneling to a 6to4 Relay Router. By nature, a tunnel between a 6to4 router and a 6to4 relay router is insecure. Mar 12, 2020 · This way you can refine your processes as you go based on the realities of your environment. As mentioned previously – your IPv6 Committee or Task Force will make this stage SO MUCH EASIER than going it alone. Concern 4 – Dealing with Legacy System Issues. Legacy systems can be defined basically as older systems. 6) Scroll down till you see Internet Protocol Version 6 (TCP/IPv6) 7.A) Solution 1 - Force IPv6 DNS server; Double click on Internet Protocol Version 6 (TCP/IPv6). Check Use the following DNS server addresses. Set 2001:4860:4860:0:0:0:0:8888 as Preferred DNS server. Set 2001:4860:4860:0:0:0:0:8844 as Alternative DNS server.
The next phase of our troubleshooting will focus on IPv6-specific issues that we have not yet tested. IPv6-capable nodes follow a process of default address selection ( RFC 3484 ).
Fixing an old hack - why we are bumping the IPv6 MTU