Tag Archives: nameif

Cisco ASA 5520 – Creating Subinterfaces

5:05 p.m. at the courier’s office. Me and the cabling guys arrive to do the network cutover. We knock on the funny little door where customers pick up their packages. It is a Dutch door, split horizontally at waist-level like a stable door. During business hours, they swing open the upper half of the door, […]

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Cisco ASA 5520 – Basic Interface Configuration

The Cisco ASA 5520 is one of the mid-range ASAs. 4 Gigabit Ethernet ports. Max 450 Mbps throughput under ideal conditions. Good for mid-sized offices. Has an expansion slot where you can install an add-on card that does content filtering (e.g. email and web) or intrusion prevention. Or you can install an expansion card that […]

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Interface Security Levels on the Black Gate of Mordor

So. Let’s say our Cisco ASA is the Black Gate of Mordor. Around the time of the War of the Ring, Sauron has taken over Mordor and the local real estate is fair teeming with orcs and Nazg├╗l. One does not simply walk into Mordor, as Boromir would say. (One does not simply rock into […]

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No Forward Interface Command on the Cisco ASA 5505 with a Base License

The ASA 5505 comes in two flavors: Base License and Security Plus license. Same hardware, but the Security Plus license unlocks more features, such as the number of VLANs that can be configured. License Type and Mode Maximum No. of Active VLANs VLAN Trunking Base License + Transparent Mode 2 active VLANs in 1 bridge […]

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