Switching

IEEE 802.3x FlowControl between Cat3750E and Cat2960

René Jorissen on October 23, 2008 1 Comment • Tags: #2960 #3750 #3750e #8023x #catalyst #cisco #congested #control #flow #flowcontrol

I have a network with two Catalyst 3750E switch stacks, which are connected with a 2 x 10Gbps Etherchannel. Every stack facilitates a ring topology of approximately 10 to 15 Catalyst 2960 switches. Two of the 2960 are connected with 1Gbps links to a switch stack to create the ring topology. So lets say that … Read More

Firewalling, Security

Cisco IOS Security

René Jorissen on June 24, 2008 0 Comments • Tags: #cisco #classic #firewalling #ios #zonebased

The first session I attended is about Deploying IOS Security. The session is about using the Cisco IOS as firewall to protect branch offices. We discussed normal classic firewalling and zone-based firewalling. I normally use classing firewalling, but I guess I have to try zone-based firewalling in the future. The advantage of zone-based firewalling is … Read More

Configuration Example

Port-channel configuration for VMWare

René Jorissen on May 5, 2008 5 Comments • Tags: #channel #channelgroup #cisco #configuration #etherchannel #port #portchannel #switchport #vmware

I received some e-mails from people asking for configuration examples for Cisco switch in conjunction with VMWare servers. That is why I post the configuration (I normally use) beneath. This configuration enables a 802.1Q trunk connection between the switch and the VMWare server. This configuration requires the VMWare server to use VLAN tagging. The Port-channel … Read More

Other stuff...

Cisco Networkers 2008

René Jorissen on March 19, 2008 0 Comments • Tags: #cisco #ciscolive #cisconetworkers #florida #orlando

Cisco Live (aka Cisco Networkers) 2008 has opened the registration for Orlando, Florida. Cisco Live is Cisco’s annual IT and communications conference. The conference features Networkers, the premier education and training program, and other special programs designed to meet the diverse needs of today’s IT and communications professional from increasing technical proficiency to understanding the … Read More