WDS – PXE Boot Error TFTP Timeout
KB ID 0000485 Problem Seen when using WDS on Windows Server 2008 (and 2008 R2). When attempting to PXE boot a client machine, it sucessfully gets an IP address. But it times out at the TFTP stage. This is a common occurance if the WDS server is also a DNS server. It happens on machines that have had the MS08-037 security update installed. Basically the ports that WDS needs are being reserved for DNS. Solution 1. On the WDS server...
Cisco – Configuring Dynamic Multipoint Virtual Private Networks DMVPN
KB ID 0000954 Problem A while back I uploaded a run through on how to deploy GRE tunnels and protect those tunnels with IPsec. That point-to-point GRE tunnel is a good solution, but if you have a lot of sites it’s not a solution that scales very well. Yes you can have 2147483647 tunnel interfaces, but good luck manually configuring all those tunnels and even if you did, if you want each of your remote sites to talk to each other...