4

How-to : RiOS upgrade on Riverbed Steelhead 250H

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When I got Riverbed Stellhead 250H for Lab environment, first thing I checked was version of RiOS on device. It turns out that device was outdated and had RiOS 5.5.6, while current version is 7.0.3.

Next thing I did was jump on Riverbed Support web page to identify how to upgrade my test Riverbed, as there is always certain path of RiOS versions you have to go through to get to recent one.

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12

How-to : Adding SNMP to Windows Server 2008 R2

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As a part of preparation for monitoring our WIndows Server 2008 R2 using SNMP and Nagios we had to add SNMP Services to few systems which didn’t have it yet. So, based on that fact I thought it might be nice to capture all steps involved in adding SNMP to Windows Server machine. Here you can see steps, screenshots and short description how to achieve that.

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0

How-to : L2L IPsec VPN between Cisco ISR 2811 and DrayTek Vigor 2850n

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Whole idea for that article came from real environment. At home I have DrayTek Vigor 2850n as my broadband router (and in fact it is really nice piece of equipment). Same time I’m using some Cisco equipment located in remote Lab for testing purposes. Remote Lab is connected to Intrenet and before to get access to devices and systems located there I was using EzVPN. However, as Lab has Cisco ISR as main router I thought, why not to establish L2L IPsec between my home network and remote Lab. Now, question how to do that. I have DrayTek on one end and Cisco ISR on the other. After few attempts, mis-configurations and troubleshooting it did work quite well in fact. So, here it is.

Here is what needs to be achieved:

Equipment available:

  • Cisco ISR 2811 – on the left side of the diagram – internal network 10.255.0.0/24
  • DrayTek Vigor 2850n – on the right side of the diagram – internal network 10.130.1.0/24

Goal:

  • Establish IPsec VPN Tunnel between Cisco and DrayTek to make communication available between 10.255.0.0/24 and 10.130.1.0/24.

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0

Apps : Get-Console : When iPad meets Cisco

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Despite all reservations to iPad as a device which might be useful in day-to-day IT Pro activities (was thinking about it more as a toy than tool) I found it really handy after some time. One of main reasons I found iPad cool IT tool was ability to connect to Cisco console port and configure Cisco devices.

Yes, it is possible to have Cisco console cable which connect to iPad and application which allows to configure Cisco via Console from iPad 🙂

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0

How-to : Running Cisco Nexus 1000 as virtual machine on vSphere Hypervisor ESXi 5

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In one of the previous articles I did quick overview How-to Install vSphere Hypervisor ESXi 5 on VMware Workstation 9. One of the reasons I did that in my Lab environment was to run Cisco Nexus 1000v with NX-OS on it and evaluate this operating system and how it can integrate with other products. So, here is quick overview how to make Cisco Nexus 1000v happen on vSphere ESXi.

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1

How-to : Installing ESXi 5 on VMware Workstation 9

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VMware Wosktation allows to run ESXi as virtual machine (virtual environment as virtual machine – kind of funny). It can be very useful to evaluate, experiment and learn vSphere at home. This can be also very helpful if we want ot run virtual appliances which are compatible with ESX only. I will show how easy is to install ESXi 5 as virtual machine on VMware Workstation 9.

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1

Tips&Tricks : How to skip Autologon in Windows XP

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As I had to fight with WIndows XP Autologon (we have it on many computers which are used for example for CCTV), I think can write down one more quick tips how to skip Autologon feature and use different account to access computer (for example to install Windows Updates).

So, situation I was dealing with was computer with Windows XP, connected to Active Directory domain with Autologn feature enabled. After computer started I’ve seen welcome dialog and after pressed ctrl-alt-del autologn procedure kick in and login to computer with restricted account. How to skip autologon process and be able to enter different username and password?

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0

Windows Registry : Autologon in Windows XP

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Again one of those things which I forget when is needed. Autologon in Windows XP. Funny enough is the fact that each time I’m looking for this information is when I want to prevent Windows XP from auto logon and trying to disable that in registry using remote access from Registry Editor.

Fortunately Microsoft prepared full detailed description, so now I can write down in my scratchpad for future reference instead of using Google each time I need that 😀

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0

Config snippets : Cisco : Redirect console output to telnet session

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This is one of those things I always forget when is needed. How to redirect console output to telnet session when debugging something on Cisco device.

So, not to forget it I record it for future reference (I guess from now on I will remember that, but well.. what you do… just Murphy’s law)

From telnet session just issue command shown below, and all debug logs will be redirected to telnet session.

R1#terminal monitor
R1#
5

How-to : Access BlackBerry PlayBook via SSH

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So, I was wondering how to access my PlayBook using SSH. It would be really convinient to access it from laptop, browse files, etc. I did poke around on Internet and finally identified solution how to SSH to PlayBook 🙂 For now only as a normal user and working towards getting root access (I guess Dingleberry will be helpful at some stage) 🙂

For now let’s have a look into details of accessing PlayBook via SSH. for that I will use:

  • BlackBerry Tablet SDK 2.0.0 – available for free on BlackBerry web page here. There might be newer version available by now.
  • PuTTY – I guess most popular free terminal emulator for SSH, Telnet and Serial connections, available here. From that package PuTTY.exe and PuTTYgen.exe will be required.

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