Aaron's Worthless Words

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ethernet

Network Protocol Overhead

Here are some packet overhead numbers for a few popular protocols to help with doing bandwidth requirement calculations. This may be another add-as-we-go post, so please comment with additions or corrections. Ethernet : 20 bytes Frame Relay : 4 – 6 bytes PPP : 6 bytes MLPPP: 10 bytes MPLS : 4 bytes IP : 20

IIUC Notes - Getting Phones on the LAN

More study notes. Correct if wrong, though I hope I get some of it right since I already since I'm an R&S guy. :$ Switchport Configuration * switchport mode access: This config makes the port an access port that carries the primary and voice VLAN traffic * switchport mode

IIUC Notes - Assigning Ephone-dns to Ephone Buttons

These are some of my notes on my IIUC studies. Since I am a novice as voice stuff, please let me know what I get wrong. An ephone is a representation of a phone. It's basically a structure of features that a phone will have. Configuration in CME:

IIUC Notes - Powering Cisco Phones

Feel free to correct anything that is wrong or incomplete. * Power over Ethernet (PoE) * Can provide power to a Cisco phone, access point, security camera, etc., through the network cabling, eliminating the need to plug the phone into the wall for power. * Generic term for providing power on the Ethernet

Server NIC Aggregation to a Cisco Switch

Have you even noticed that your new servers all have 2 NICs on the board? At least all of them that I’ve seen in the last 3 years have. A lot of server admin actually use them in a NIC teaming scenario where both NICs are used as one

Make Your Own Ethernet Cables

If you need to buy an Ethernet cable, you’ll pay quite a premium for it at your local CompUSA or Circuit City. $22.99 for a 7′ Ethernet cable is terrible. For just a few dollars more, you can buy a 250′ roll of cable and make 35 of