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CCIE Security – Creating vlans on a router

Posted on January 11, 2010 by jimmy

I just tried to create a third L3-interface in one of my C1811-routers. These are equipped with two FastEthernet router-interfaces and one 8-port FastEthernet-switch. Since the latter are L2-interfaces I need to create a vlan and tie that to one…

Tagged with: CCIE, ios, router, routing, vlan
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Cisco ASA Anyconnect licensing for dummies, updated!

The picture below should be self-explaining. Click it for a larger version. Edit 2014: There was some errors in the logics around AEA-licenses. The picture below is now corrected. Please do not use the old version (v1.1). Let me explain this. First of all, Advanced Endpoint Assessment (AEA) is a feature where you can do advanced posture checks Continue Reading →

Cisco ASA hairpinning

Cisco Pix/ASA hairpinning The term hairpinning comes from the fact that the traffic comes from one source into a router or similar devices, makes a U-turn and goes back the same way it came. Visualize this and you see something that looks like a hairpin. Hairpinning is only relevant when the firewall is in routed mode since the "turnaround" of Continue Reading →

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CCIE Security – Creating vlans on a router

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CCIE Security – Creating vlans on a router

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