Category Archives: Network

Advertising a default route in BGP

There are four ways to distribute a default route in BGP. Three of them, the network 0.0.0.0, the default-information originate and redistribution from another routing protocol, are all similar in the resulting effect: they will inject the default route into BGP RIB and it will be advertised to all BGP neighbors. The difference is inContinue reading “Advertising a default route in BGP”

Security insight: Cracking WPA2 and fun with Meterpreter

So my wife wasn’t well for most of the weekend and the kids are busy doing their stuff.  So I got some time to play around 🙂 on my home lab. – so here’s the thing: It took me less than 5 mins to obtain a WPA2 handshake and less than 5 seconds to bruteContinue reading “Security insight: Cracking WPA2 and fun with Meterpreter”

Creating a SPAN session on a Nexus 9K

Create SPAN session ================================= 9kswitch# conf t 9kswitch(config)# monitor session 1 Configure destination port (destination cannot be a FEX port or a Port-channel!) ================================= 9kswitch# conf t 9kswitch(config)# interface eth 1/15 9kswitch(config-if)# switchport monitor 9kswitch(config-if)# exit 9kswitch(config)# monitor session 1 9kswitch(config-monitor)# destination interface eth 1/15 Configure source port (or VLAN) ================================= 9kswitch(config-monitor)# source interface ethContinue reading “Creating a SPAN session on a Nexus 9K”

UCS-E160D-M2 Configuraiton

Basically there’s two options that i like to use when connecting to Cisco’s Integrated Management Console (CIMC).  Via the router connected to an address within the allocated subnet.  Although using this method you must add the host specific route to the ucse4/0 interface to provide access to the UCS-E module. interface ucse4/0 description UCS-E Series CIMC LinkContinue reading “UCS-E160D-M2 Configuraiton”