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Showing posts from November, 2007

IPV6 Tricks

Have you ever faced with a situation where you where stuck out of your server due to a IP Address Change, well if you didn't you might one day, let me tell you how IPv6 Saved me. I have several Linux Servers in My Company and Due to some maintenance I needed to change the IP Address on on of them, simple task although it went bad due to a miss spelling on the ifcfg-eth0 file. and like I love to go fast with configuration I did a stupid mistake and restarted the network service well needless to say that as soon as I did that I was left outside, started yelling and spelling out some wired brrrrrrrhmmmmgrrrrrrr and all sort of mad words. but then I said to my self hey i am an almost Expert I know Networking, how do I solve this, well the port is still listening on the Ethernet Network so If I had some way of login via ARP or MAC or Other Protocol then I was good to go, and then it pupped out to me IPv6 use in link local address based on MAC address and I have the MAC address of my …