Archive

Archive for the ‘CISCO’ Category

Basic Cisco PIX Configuration

March 30th, 2010 No comments

Here is a basic PIX configuration, which achieves the following:

–  NAT overload from an inside network to an outside network
–  Accept incoming PPTP VPN connections from ouside clients
–  Turns on the web-based GUI on the PIX Read more…

Categories: CISCO, Security Tags:

Executing Commands on Remote Cisco Device while logged into Local Device

March 27th, 2010 No comments

This tip shows you how one device can execute remote commands on other Cisco routers or switches to receive command outputs on the local terminal. Read more…

Categories: CISCO Tags:

New CCNP Exam – Resources

March 27th, 2010 No comments

CCNP Cert Combination Tool: Figures out what CCNP exams to take based on what you have

ESIM Tutorial: A walk-through on how to work with the new CCNP question types

TSHOOT Demo Simulation: Gives an idea of the types of questions you might expect on the new TSHOOT exam

Source:  http://www.cioara.org

Categories: CISCO Tags:

QoS Trust Boundaries

March 26th, 2010 No comments

Cisco switches perform most Quality of Service (QoS) operations in hardware, while routers perform QoS functions in software. It is best practice to use the switch to perform deep packet classification and marking functionality on the switches. The router will need to re-classify the packet, but the classification can be on the DSCP marking rather than a transport layer port number. Read more…

Categories: CISCO, Network Design, QoS Tags:

Configure SSH on Cisco Router

March 26th, 2010 No comments

This is a basic configuration to set up SSH on a Cisco router: Read more…

Categories: CISCO, Security Tags:

QoS Policy – Throttle Bandwidth During Certain Times in the Day

March 26th, 2010 No comments

Scenario:  A servers automatic database replication causes bandwidth utilisation to increase, so we need a QoS policy to throttle the server traffic during the working day (including weekends): Read more…

Categories: CISCO Tags:

IOS Version Numbering

March 26th, 2010 No comments

Cisco IOS is versioned using three numbers and some letters, in the general form a.b(c.d)e, where: Read more…

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Understanding the Catalyst 3550 Software Image – SMI and EMI

March 23rd, 2010 No comments

The 3550 is either a Layer 2 (L2) or Layer 3 (L3) switch, which depends on the software version and feature set that you install.

The naming conventions for 3550 images begin with either of these: Read more…

Categories: CISCO, Network Design Tags:

QoS templates for Cisco Catalyst 3550

March 23rd, 2010 No comments

Here are some QoS examples configured on a Cisco Catalyst 3550:
Read more…

Categories: CISCO, QoS Tags:

TCP/IP over MPLS

March 23rd, 2010 No comments

MPLS is deployed for managing traffic on IP networks, and in conjunction with other technologies like VPNs, will eventually replacing all other services, including dedicated T1s, Frame Relay, ATM and ISDN.
Read more…

Categories: Network Design Tags: