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Setting up and Installing Rancid on FreeBSD for Cisco Products What is Rancid? Rancid is an application that monitors a devices configuration including software and hardware. The configuration is then stored in a Concurrent Version System or CVS. Most of the time it is used to back up router, switch and firewall configurations, as well as notify you when a configuration has changed, i.e a firewall rule or a routers IP address or access list change. here is an example of the output =================================================================== retrieving revision 1.29 diff -u -4 -r1.29 mpls-jhb-pe1 @@ -288,9 +288,9 @@ ! interface Serial0/0 description Link to Client X bandwidth 2048 - ip address 192.168.1.244 255.255.255.254 + ip address 192.168.1.234 255.255.255.254 ip route-cache flow ip tcp header-compression iphc-format ip tcp compression-connections 256 ! ip ospf message-digest-key 1 md5 the - symbol represents what was removed the + symbol represents what was added The abo...

How to enable SSH login access to a Cisco 800 Series So you want to be able to secure your router so that it is necessary to ssh into it rater than just telnet in. If this is being used as an ADSL or DSL router like in the article “ Setting up a Cisco 800 series for ADSL ” NOTE: This should work with any Cisco 800 Series router including the Cisco 801 Cisco 827 Cisco 837 Cisco 877 and Cisco 877W routers provided the Cisco IOS on the router supports ssh Firstly is ssh enabled? router#sh ip ssh SSH Disabled - version 2.0 %Please create RSA keys to enable SSH. Authentication timeout: 60 secs; Authentication retries: 5 In this case its not, if you got a error saying that sh ip ssh is not recognized then you would know that ssh is not supported or possibly that the command is different for your platform. How to enable SSH on a Cisco 800 series router# config term router(config)#crypto key generate rsa usage-keys label router-key The name for the keys will be: router-key Choose the size of ...