Skip to content

Daniels Networking Blog

Networking articles by CCIE #37149/ CCDE #20160011

Menu

  • CCNA
  • CCNP
  • CCDP
  • CCIE
  • CCDE
  • About
  • Python

Month: May 2011

Generate traffic with traceroute

I found a very useful tool when practicing the INE labs. How to generate traffic with traceroute. I’ve used telnet lots of times to generate TCP traffic on different ports but what if we want to generate UDP traffic instead?

ddib May 28, 2011 CCIE, Security, Traceroute 6 Comments Read more

RMON – Remote MONitoring

RMON stands for Remote Monitoring. It is an extension to SNMP that lets us enable event notifications when certain thresholds are met. We can monitor the performance of interfaces or the CPU and everything that has an OID in the

ddib May 27, 2011 CCIE, SNMP 1 Comment Read more

Lock and key ACL

The lock and key ACL is one of those features you’re not sure how to use in production but it is viable for the CCIE lab. The lock and key ACL is a form of dynamic ACL which requires a

ddib May 26, 2011 CCIE, Security 3 Comments Read more

Transport preferred none

Have you ever mistyped a command and the router thinks you want to telnet another device? Sure you have and so have I. The most common solution is to turn off name lookups. no ip domain-lookup This will tell the

ddib May 18, 2011 Useful commands 3 Comments Read more

Filtering traffic with a route-map

This post describes how to filter packets with a route-map. I have never used a route-map for the sole purpose of filtering packets before. I ran into this while doing a vol2 lab and the task was to filter ICMP

ddib May 18, 2011 CCIE, Security 6 Comments Read more

Filtering traffic with VLAN access maps

While doing a vol2 lab I got stumped by one of the tasks in the lab. The task was to filter ICMP packets coming from the backbone destined to a network on the internal routers. The topology looks like this.

ddib May 18, 2011 CCIE, Security 7 Comments Read more

Drastically decreasing CPU load in Dynamips

Running Dynamips takes a lot of CPU and memory and running a full CCIE topology on a Windows machine can be tough. I do a lot of studying on my commute to my job and I run some smaller labs

ddib May 16, 2011 CCIE, Dynamips 68 Comments Read more

IPv6 over frame relay

This post will look at IPv6 over frame-relay and describe some of the small things that differ compared to IPv4 and some gotchas. We start out with the same topology as in my previous frame-relay post. We configure routers R1,

ddib May 11, 2011 Frame relay, IPv6 2 Comments Read more

First troubleshooting session done

I did my first troubleshooting session tonight. I was worried about only having 2 hours alotted but time was the least of my concerns. I finished at 70 minutes so almost an hour to spare. I did quite OK, 60%

ddib May 5, 2011 CCIE 3 Comments Read more

Creating an IOS menu

I did some labbing yesterday and I got a task that said I should create an IOS menu for NOC users so that they can ping and traceroute without needing to know the CLI. I had never used this feature

ddib May 4, 2011 CCIE 2 Comments Read more
  • « Previous

Recent Posts

  • Microsoft AZ-700 completed
  • Is VLAN 1 Special in Cisco Networks?
  • Internet Edge IP SLA Deep Dive
  • Modifying Maximum Throughput of Catalyst8000v
  • Modifying Administrative Distance of Specific BGP Route

Archives

  • December 2022
  • September 2022
  • August 2022
  • July 2022
  • May 2022
  • April 2022
  • January 2022
  • December 2021
  • November 2021
  • October 2021
  • September 2021
  • May 2021
  • January 2021
  • December 2020
  • October 2020
  • August 2020
  • July 2020
  • June 2020
  • May 2020
  • April 2020
  • March 2020
  • December 2019
  • November 2019
  • October 2019
  • August 2019
  • June 2019
  • April 2019
  • March 2019
  • February 2019
  • December 2018
  • November 2018
  • October 2018
  • September 2018
  • July 2018
  • April 2018
  • February 2018
  • January 2018
  • December 2017
  • November 2017
  • October 2017
  • June 2017
  • May 2017
  • March 2017
  • February 2017
  • January 2017
  • November 2016
  • October 2016
  • August 2016
  • July 2016
  • May 2016
  • April 2016
  • March 2016
  • February 2016
  • January 2016
  • December 2015
  • November 2015
  • October 2015
  • September 2015
  • August 2015
  • July 2015
  • June 2015
  • May 2015
  • April 2015
  • March 2015
  • February 2015
  • January 2015
  • December 2014
  • November 2014
  • October 2014
  • August 2014
  • July 2014
  • June 2014
  • May 2014
  • April 2014
  • March 2014
  • February 2014
  • January 2014
  • December 2013
  • November 2013
  • October 2013
  • September 2013
  • August 2013
  • July 2013
  • June 2013
  • May 2013
  • April 2013
  • March 2013
  • February 2013
  • January 2013
  • December 2012
  • November 2012
  • October 2012
  • September 2012
  • August 2012
  • July 2012
  • June 2012
  • May 2012
  • April 2012
  • March 2012
  • February 2012
  • January 2012
  • December 2011
  • November 2011
  • October 2011
  • September 2011
  • August 2011
  • July 2011
  • June 2011
  • May 2011
  • April 2011
  • March 2011
  • February 2011
  • January 2011
  • December 2010
  • November 2010
  • October 2010
  • September 2010
  • August 2010
  • July 2010

Categories

  • AAA
  • Anki
  • Announcement
  • ARP
  • AWS
  • BGP
  • Book list
  • Books
  • Career
  • Catalyst
  • CCDE
  • CCDP
  • CCIE
  • CCIE links
  • CCNA
  • CCNP
  • Certification
  • Cisco
  • Cisco Live
  • Cisco VIRL
  • Cloud
  • CML
  • Commentary
  • Conferences
  • Convergence
  • DevAsc
  • Diagram
  • Dynamips
  • EIGRP
  • Ethernet
  • FHRP
  • Fragmentation
  • Frame relay
  • GNS3
  • INE
  • IOS-XE
  • IP services
  • IPv6
  • Job related
  • Lab preparation
  • Layer 2
  • Licensing
  • Linux
  • MPLS
  • Multicast
  • NAT
  • Netflow
  • Network Design
  • Network Simulation
  • Nick Russo
  • Notes
  • NX-OS
  • Optical
  • OSPF
  • Other
  • PPP
  • Python
  • QoS
  • Rack rental
  • RIP
  • Routing
  • Scripts
  • SD-WAN
  • Security
  • Service provider
  • SNMP
  • Spanning tree
  • Storage
  • Strategy
  • Switching
  • TCP/IP
  • Technology
  • TLS
  • Traceroute
  • Troubleshooting
  • UCS
  • Uncategorized
  • Useful commands
  • VIRL
  • VLAN
  • Wireless

Meta

  • Log in
  • Entries feed
  • Comments feed
  • WordPress.org
Copyright © 2023 Daniels Networking Blog. All rights reserved. Theme Spacious by ThemeGrill. Powered by: WordPress.