EAP/PEAP, TKIP and TLS

Wednesday, July 23rd, 2008 Posted in CCIE Security, Cisco | No Comments »

TKIP (Temporal Key Integrity Protocol) is an 802.11i standard that enhances WEP by providing key mixing, anti-replay and message integrity. EAP (Extensible Authentication Protocol - RFC 3748) - is a universal ... Read more..

CCIE Security (350-018) Pre-qualification test scheduled

Wednesday, July 16th, 2008 Posted in CCIE Security, Cisco | No Comments »

I went ahead and scheduled my written exam for August 1st. I am about 90% ready so far even though my posts don't show it. I have almost finished the ... Read more..

CCIE Security here I come (or at least attempting)

Thursday, June 12th, 2008 Posted in CCIE Security, Cisco | No Comments »

During the past few days I have decided to ditch my CCNP or CCVP goal and switch over to the CCIE Security track. I already have the CCSP and realized ... Read more..

Connectivity issues with Pix/ASA Remote User VPN

Saturday, June 7th, 2008 Posted in ASA/Pix, Cisco | No Comments »

Recently I came across an issue where after connecting to a Pix/ASA with the Cisco VPN Client from behind another Pix/ASA the remote user was unable to communicate with the ... Read more..

Problems with automatic backup via SCP during kron job

Sunday, May 25th, 2008 Posted in Cisco, IOS | No Comments »

Stumbled across a problem with certain versions of Cisco IOS ranging from 12.2 and 12.4 running an automatic backup every night by using SCP and kron. A month or so ... Read more..

Strange ASA to ASA IPsec problem

Tuesday, May 20th, 2008 Posted in ASA/Pix, Cisco | No Comments »

So today a customer was upgrading a Pix to an ASA and also changing their external IP address so we needed to update the tunnel information and a few commands on ... Read more..

IntServ QoS Model - Advantages and disadvantages

Saturday, May 10th, 2008 Posted in Cisco, QoS | No Comments »

The IntServ, also known as 'Hard QoS', model was introduced to guarantee predictable network behavior for applications that require consistent, dedicated bandwidth for acceptable quality. Because IntServ reserves the bandwidth for ... Read more..

Qos acronyms part duex

Saturday, May 10th, 2008 Posted in Cisco, QoS | No Comments »

EF - Expedited Forwarding AF - Assured Forwarding CQ - Custom Queueing PQ  - Priority Queueing RTP - Real-Time Transport Protocol FIFO - First In First Out CEF - Cisco Express Forwarding CDP - Cisco Discovery Protocol DE ... Read more..

Some early review answers for the 642-642 QoS exam

Friday, May 2nd, 2008 Posted in Cisco, QoS | No Comments »

What is the 'best' solution for reducing delay on a link? increase the bandwidth of the link What are three characteristics of converged network traffic? constant small-traffic flow, time sensitive packets, and brief outages ... Read more..

A few QoS acronyms and definitions

Thursday, April 24th, 2008 Posted in Cisco, QoS | No Comments »

WFQ - Weighted Fair Queueing CBWFQ - Class-Based Weighted Fair Queueing LLQ - Low-Latency Queueing WRED - Weighted Random Early Detection ERP - Enterprise Resource Planning MQC - Modular Command-Line Interface QPM - CiscoWorks QoS Policy ... Read more..

« Previous Entries