Introduction If you are anything like me, this is one of those things you likely do so infrequently that you forget how to do it virtually every time you need to. To save any head scratching next time here is
OSPFv3 Authentication Palo Alto to Cisco Router
Introduction OSPFv3 authentication is quite generally quite straightforward to configure between two Cisco devices. There are some great posts regarding this topic, in fact one of the best I’ve read is by the great Jeremy Stretch. http://packetlife.net/blog/2008/sep/3/ospfv3-authentication/ The issue I
Cisco Span Port Configuration
Introduction If you’ve ever needed to perform packet analysis for troubleshooting then you have options. If you have an IP base IOS image or above then it is likely you can do a packet capture directly on the switch however
IOS DHCP Server – Database
Introduction If you require a Cisco device to act as a DHCP server. Do ensure you either set a database URL or the no ip dhcp conflict logging option otherwise the server can fail leaving your users free to complain
Rancid Logins Fail After ASA Upgrade to 9.1(7)
Introduction You’ve performed a code upgrade on an ASA firewall and suddenly Rancid decides it won’t login. You’ll get the message: spawn ssh -c 3des -x -l <user> <device> no matching cipher found: client 3des-cbc server aes128-cbc,aes192-cbc,aes256-cbc,aes128-ctr Error: Couldn’t login:
Troubleshooting Interface Output Drops
Introduction Output drops are caused by traffic rates exceeding the maximum bandwidth specification of the interface. Solution There are actually only 2 solutions to output drops: Increase the Interface speed Reduce the traffic throughput If you have monitoring in place
LWAPP to Autonomous Conversion and Vice Versa
Introduction Looking for a doc on how to convert a LWAPP into autonomous AP. Here you go. https://supportforums.cisco.com/document/57476/lwapp-autonomous-conversion-and-vice-versa-access-points
Static NAT Mapping with HSRP
Just a useful guide for static mapping with HSRP http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipaddr_nat/configuration/xe-3s/nat-xe-3s-book/iadnat-ha.pdf
Port Forwarding a Range of Ports Cisco IOS
Introduction UPDATE 05/16 Do not even attempt to use this in a production environment. It worked up until it didn’t work at all. The way round it in the end was of course to use 1 to 1 mappings for
SCP Example Cisco ASA to Linux
Introduction I’m adding this here cause sometimes I’m dense and I forget the command. Command Examples copy running-config scp://dave@myVM/home/dave/running-config-scp Source filename [running-config]? Address or name of remote host [myVM]? Destination username [dave]? Destination filename [home/dave/running-config-scp]? Cryptochecksum: 5b1178ff 4db70c26 45645f8f 7ec33023