Cisco Catalyst 4500 Series Zero-Downtime IOS Upgrade Process for Supervisor Engine 7-E, 7L-E, 6L-E and V-10GE Redundant Configurations

Learn to upgrade the Supervisor Engine IOS on Catalyst 4503-E, 4506-E, 4507R+E & 4510R+E. Perform Redundant Supervisor Engine IOS upgrade with zero service interruption (4507R/4510R Series only), force switchover to redundant Supervisor Engine and check status of your Supervisor Engines and line cards.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/952-cisco-switches-4500-supervisor-engine-ios-upgrade.html

Cisco Catalyst 4507R+E Layer 3 Installation: Redundant WS-X45-SUP7L-E Supervisor Engines & WS-X4648-RJ45V+E Line Cards

Experience the setup of a Cisco 4507R+E Catalyst switch with 21 real photos capturing redundant SUP7L-E Supervisor engines, WS-X4648-RJ45V+E - 48 port 10/100/1000 PoE line cards and dual 4200Watt power supplies. 21 pictures capture details of all components & highlights of the 4507R+E Catalyst switch.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/948-cisco-switches-4507re-ws-x45-sup7l-e-installation.html

New Cisco Catalyst 3850 Series With Integrated Wireless LAN Controller (WLC)

Cisco Catalyst 3850 features and configurations. Integrated Wireless Controller, 1/10Gbit SPF/SPF+ Uplinks, Full PoE+, IPv4, IPv6 routing, QoS, PowerStack and StackWise Technology makes this product an ideal choice for most companies.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/943-cisco-switches-catalyst-3850.html

Configuring SPAN On Cisco Catalyst Switches - Monitor & Capture Network Traffic/Packets

Configure your Cisco switch to capture data/voip traffic by mirroring incoming – outgoing packets with SPAN on Catalyst 2940, 2950, 2955, 2960, 2970, 3550,3560, 3560−E, 3750 and 3750−E, 4507R Series Switches. Network monitoring via packet capturing-sniffing software, network analyser, IDS or IPS is possible using Cisco’s SPAN or RSPAN method covered extensively in this article. Understand SPAN Terminology.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/940-cisco-switches-span-monitoring.html

End-of-Sale and End-of-Life Announcement for the Cisco Catalyst 3750G, 3560G, 3750-E, and 3560-E Series Switches

Cisco announces the end-of-sale and end-of-life dates for the Cisco Catalyst 3750G, 3560G, 3750-E, and 3560-E Series Switches. The last day to order the affected product(s) is January 30, 2013. Customers with active service contracts will continue to receive support from the Cisco Technical Assistance Center (TAC) as shown in Table 1 of the EoL bulletin.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/893-cisco-switches-eol.html

Errdisable Port State, Enable & Disable Autorecovery Feature

This article explains the Errdisable feature on Cisco Catalyst switches. Learn why and how ports are automatically disabled/shutdown, how to configure the Catalyst switches for autorecovery from err-disable states and selectively disable Errdisable feature for different reasons.

http://www.onlywire.com/r/93603749

Installation of a Cisco Catalyst 4507R-E switch

This article describes that installation of a Cisco Catalyst 4507R-E switch, including two Supervisor Engines II (WS-X4013+) and a 48 port Gigabit PoE module (WS-X4548-GB-RJ45V). We've included a number of detailed pictures showing the whole installation procedure and features supported by the switch.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/340-cisco-switches-catalyst-4507r-e.html

Forcing Your Cisco Catalyst Switch To Use 3rd Party SFP Modules

This article shows how to configure your Cisco Catalyst switch 2960G, 3560G, 3750G, 4507R to use 3rd party SFPs. Learn the secret CLI commands required, to maximise your catalyst switch's compatibility with 3rd party sfp's. Discover where 3rd party SFPs can be used without hesitation.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/866-cisco-switches-3rd-party-sfp.html