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Catalyst vs Nexus

1, Catalyst supports VSS( Virtual Switch System )for combining 2 switches into one logic switch, just like virtual chassis in Juniper EX. While Nexus support… 195 more words


Pass Cisco 300-101 Exam Easily With Updated Demo 2017

Question: 1
A network engineer notices that transmission rates of senders of TCP traffic sharply increase and decrease simultaneously during periods of congestion. Which condition causes this? 1,260 more words


Circuit Switching (CS) & Packet Switching (PS)

circuit switching(CS) vs packet switching(PS) networks

difference between circuit switching and packet switching

This page circuit switching vs packet switching describes difference between circuit switching(CS) and packet switching(PS). 574 more words


GLBP Load Balancing

We could use HSRP or VRRP to have a redundant default gateway for our PC/server networks. Although this works well we now have hardware powered-on and just sitting around waiting for its counterpart to fail, we are not actively using it. 857 more words


Cisco shares drop as security business revenue misses estimates

(Reuters) — Cisco’s quarterly revenue in its closely-watched security business missed analysts’ estimates, raising concerns about the world’s largest networking gear maker’s efforts to transform into a software-focused company. 375 more words

Access Control List (ACL)

Access Control Lists

3 ACL types

usefull commands

#show access-list ( shows the access lists created on the router)
#sh ip int f0/0 (shows the direction of ACL applied on that interface) 331 more words



Ways to remember

7  All             – Aplication         – Data               – Dont
6  People      – Presentation     – Data              –Dont
5  Seem        – Session               – Data               –Dont… 51 more words