SWITCH - STP Exercise #1
·1 min read
Here’s an STP exercise for you. Given the bridge priorities, MAC addresses, and interface types in the diagram, calculate the root bridge, root ports, designated ports, and blocked ports. You …
Ccnp
ONT - Epic WIN!
·3 min read
Two down, two to go. After much groaning and moaning, I’ve finally passed my ONT test. The path to this point has been full of road blocks and covered in potholes, but I finally managed to power …
ONT - Epic Fail
·2 min read
I failed the ONT test today. It was an utter lack of subject matter knowledge that did me in from the beginning. When the first three questions mention things that I’ve never even heard, …
ONT Notes - WLAN Management
·1 min read
Elements of Cisco Unified Wireless Network Client devices - Cisco compatible extensions on WLAN clients Mobility platform - allows configuration of LWAPs through WLCs Network unification - integration …
ONT Notes - 802.1x and Encryption on LWAPs
·2 min read
Traditional WLAN weaknesses SSID for security Vulnerable to rogue APs MAC filtering for security WEP WEP weaknesses Disribution of static keys is not scalable WEP keys can be cracked easily …
ONT Notes - QoS On Wireless Networks
·2 min read
Wireless LANs (WLANs) Extensions to wired LANs Carrier sense multiple access collision avoidance (CSMA/CA) as media access method Uses distributed coordinated function (DCF) for collision avoidance …
ONT Notes - AutoQoS
·2 min read
AutoQoS benefits Automates QoS for most deployments Protects business-critical apps to maximize availability Simplifies QoS deployments Reduces configuration errors Cheaper, faster, and simpler …
ONT Notes - Pre-classify and End-to-end QoS
·2 min read
VPNs (Didn’t ISCW cover this?) Provide Confidentiality Integrity Authentication Types Remote-access Client-initiated NAS-initiated Site-to-site LAN-to-LAN Extranet L3 Tunneling protocols GRE …