Next month we are going to implement a campus area network for an American school using extreme switches, I attended 5 days extreme seminar to learn their command line interface and network management software. Here are some notes for those who like to know more about extreme switches portfolio: Hardware BlackDiamond: Chassis-based [...]
Archive for the ‘Ethernet Switching’ Category
27 Nov
Catalyst to ProCurve
Two months ago, as I blogged about it I passed HP ProCurve AIS exam and shared a summary of my preparation notes, Last week I passed Master ASE – HP ProCurve Campus LANs [2010] online exam (HP2-Z04) and became HP Master ASE – MASE, so I thought to share parts of my study notes as [...]
12 Sep
HP ProCurve AIS
Couple of weeks ago, I had the chance to sit for HP AIS Adaptive Edge Fundamentals exam (Y20). Exam is focused on HP Ethernet switches and wireless technology, so it’s a quick review of my preparation notes: Software License: There are two software licenses: intelligent edge and premium, Both the intelligent edge and [...]
30 Aug
Brocade Switches Trunk
In 2007, I designed and implemented an Ethernet switched network for the most luxurious hotel in the world, requirement was very simple and this network was isolated piece for delivery of a unique hospitality application. When it comes to luxury, Foundry switches (Brocade switches) are chosen. The purpose of this post is to demonstrate how [...]
30 Aug
Foundry Products
The Foundry’s name reminds us of high-speed and high-throughput devices, performing what you expect from them with excellent output, something just like Ferrari. It’s more than a year that Brocade has bought foundry and instead of Foundry we have to use Brocade! line of products as the title for this post. The Brocade Enterprise solution [...]
26 Feb
DHCP Snooping, Source Guard and ARP Inspection
There are three closely connected features in Catalyst switches software, which can work in conjunction with each other to resolve many LAN security vulnerabilities in your network around L2 security, ARP poisoning, L3 Spoofing, DHCP attacks and so on… IP DHCP Snooping is for complying and enforcing usage of DHCP standard messages moreover shutting down [...]
12 Feb
CCIE Security – Wired Dot1x with Cisco Secure ACS
Using dot1x on LAN, A good feature of LAN based authentication is VLAN selection upon connection, we can authenticate users and put them on their appropriate VLAN based on their provided username… Note: Dont forget to put ports in access mode, unless you do not like to see dot1x command :) > switchport [...]
10 Jan
VTP version 3
Cisco has introduced new 12.2(50)SG for Cisco Catalyst 4500 Series and 4900 Series VTPv3 VTP version 3 (VTPv3) supports the advertisement of the extended range of VLANs (4094). Configuration changes for the entire 4000 VLAN range can be made centrally on one switch and automatically communicated to all other switches in the network. Additionally, VTPv3 removes [...]
29 Jul
Juniper LAB – EX Series
Juniper EX versus Cisco Juniper recently introduced new EX switches, as promised long time before… I had a chance to hand on these creatures so wanted to share my experience and note some parts of configurations (in next post) to memorize it better. 1. EX Switches have Frontal LCD panel for maintenance procedures, isn’t it [...]
18 Jul
CCIE Security – VACL
VLAN Access-List (VACL) VLANs are limited to a broadcast domain between Gateways (Routers), We can match and forward/drop packets within the VLAN, instead of Borders/Gateways/Boundaries. VACL applies to a VLAN or multiple VLANs per switch, so if your VLAN is connected to other switches, your VACL should be configured on other switches for a proper [...]
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