cisco switches - cisco firewall
Cisco Refreshes Campus Switching, Including Catalyst 6800 Core Chassis
Cisco unveiled a refresh of its campus switching and enterprise routing products at Cisco Live this week, highlighted by the Catalyst 6800 series, a big brother to the Catalyst 6500 that is compatible with the older switch's existing supervisor modules...
Cisco Catalyst 2960-S Series Switches OVERVIEW
The CiscoCatalyst 2960-S Series Switches are fixed-configuration Gigabit Ethernet switches that provide enterprise-class Layer 2 switching for campus and branch access applications. They enable reliable and secure business operations with lower total...
Cisco Catalyst 4948E Ethernet Switch for High-Performance Data Center Accesss
Cisco Catalyst 4900 Series Switches deliver high-performance, low-latency wire-speed Layer 2 and 3 services in a small form factor (1 or 2 rack units). The 4900 Series is ideal for space-constrained deployments. The Cisco Catalyst 4948E offers forty-eight...
Cisco Catalyst 3750-X Series Switches-Compare Models
Cisco Catalyst 3750-X Series Switches are designed to provide high availability, security, investment protection, high quality of service, energy efficiency, and simplified operation. These stackable switches are ideally suited to support demanding applications...
Cisco Betters Its Catalyst 2000 Line
Most popular Cisco Catalyst 2000 line extended with 2960-X, which doubles stack ports and bandwidth, cuts energy use Cisco this week upgraded its best-selling Catalyst switch by doubling its stacked port density, stacking bandwidth, buffers and CPU performance....
Cisco ASA 5505 DMZ with Private VLAN Configuration
The ASA 5505 is the only model that has an 8-port switch embedded in the device. All interfaces of the ASA5505 are Layer2 switch ports and thus they support some features that you can find on Cisco switches. One of these features is called “Private Vlan”....
How to Troubleshoot Nexus 5500s and 1 GE SFPs?
The newer versions of NX-OS support 1G or 10G on the N5K, but the Nexus5000 is not auto-speed sensing. A mini case study follows. One of my customers just put some GLC-SX-MM optics and a fiber patch between a Catalyst 3750 and a Nexus5000. He happened...
How to Configure AAA Authentication on Cisco ASA Firewall
AAA stands for Authentication, Authorization, and Accounting. AAA is a mechanism that is used to tell the firewall appliance who the user is (Authentication), what actions the user is authorized to perform on the network (Authorization), and what the...
Cisco 2960s Can Route
As of 12.2(55) SE, Cisco 2960s are layer 3 switches. Configuring Catalyst 2960s to route is pretty simple. The Switch Database Management template (SDM) needs to be changed to “lanbase-routing”. A reboot is (always) needed after changing the SDM template....
How to Configure SNMP V3 on Cisco ASA and IOS?
Here we will focus on SNMP V3 configuration on Cisco ASAs with a brief overview of an IOS configuration. This article assumes a basic understanding of SNMP and its operation. The most common and sought after reasoning behind an upgrade to SNMP V3 is security....