Category Archives: Uncategorized

misc: useful links

Here I will collect some useful links (I am not responsible for the content of those pages) PC Tools: http://www.jgoodies.com/downloads/jdiskreport/ – A good tool to see which folder needs which space, or better – where is my HDD space gone??? Networking … Continue reading

Posted in Misc, Uncategorized | 5 Comments

mpls: layer3-vpns, pe-ce routing protocol – rip

Hello everyone! Today I am going to show how to use a variety of routing protocols to be used as PE-CE routing protocol when you are connected to a MPLS VPN service provider or when you act as a provider. … Continue reading

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mpls: ldp neighbor relationship with md5 password authentication – part 2

Hi again and welcome to the second part of the LDP authentication section. This time we will configure some errors to have a look on the he behaviour of the routers and what we can do to troubleshoot it.behaviour of … Continue reading

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misc: optimzation in the layout of the blog labs

Hi everybody! I recognized that my scenarios with the cisco specific outputs the output mostly looked like crap. This way: Router#sh ip route Codes: C – connected, S – static, R – RIP, M – mobile, B – BGP D … Continue reading

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mpls: pseudowire emulation / any tansport over mpls – interconnecting sites via layer 2 – (part 1)

Hi everybody! Today I am going to introduce a new challenge that takes care of MPLS and pseudowire emulation. Challenge: – connect two sites via a MPLS VPN Backbone at layer 2 Given: – a “SP” network without MPLS capabilities … Continue reading

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mpls: simple and advanced inter-vrf routing/leaking

Hello everybody! Today I will spend some time in demonstrating how to route between separate VRF instances on a local router. Special prerequisites: – Understanding of VRF lite Topology: Our topology exists of three routers. Quite simple for the beginning … Continue reading

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installation and configuration of cisco secure acs 5.3 (vmware) – part 5

Hi again! In this part we are configuring a user within the secure ACS to log in to a router. To configure user accounts for administering netwok devices you need to do the following steps. By the role-based architecture of … Continue reading

Posted in Cisco Secure ACS 5.3 Installation & Configuration, Misc, Uncategorized | Tagged , , , , | 16 Comments

installation and configuration of cisco secure acs 5.3 (vmware) – part 4

Hi again! 4th part of the Secure ACS configuration part is now the access to the WebGUI and the upload of a license file. After installing the Secure ACS server we can now connect to the WebGUI via https at … Continue reading

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installation and configuration of cisco secure acs 5.3 (vmware) – part 3

Next part of the Secure ACS configuration in my case is the NTP server because it is important for logging. The NTP server configuration is quite simple but the acs service of the server has to be restartet once a … Continue reading

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is vlan1 a magic one?

Hi everybody! I searched the net again and found somebody who already did the work I wanna do and the explanations are great so I only share the link here.  http://blog.ipexpert.com/2011/01/19/old-ccie-myths-vlan-1/  Regards! Markus

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