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Building HomeLab for Network Simulation
As the current networking technology progress, simulating network for proof of concept is getting difficult by just using a common workstation, and having a dedicated server is also an issue for the usual home with no space to spare and with noise, yhese dedicated server generates. With this in mind I opted to build my HomeLab using a consumer grades desktop setup, which could also as a gaming…
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(via Route Redistribution Lab 2 - Controlling Route Feedback)
Redistribution LAB: Effect of Redistribution Connected
Redistribution LAB: Effect of Redistribution Connected
When doing a redistribute connected, One thing we need to take note would be the effect of that command to an existing IGP routes.
One this lab, I’m going to present the issue of redistributing an specified interface and the solution to remediation that issue.
Router R1 Initial Configuration
interface Loopback0 ip address 1.1.1.1 255.255.255.255 ! interface Ethernet0/0 ip address 12.12.12.1…
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Recovering from Catalyst 3850 Boot loop after IOS upgrade
Recovering from Catalyst 3850 Boot loop after IOS upgrade
Just to share my experience when did an IOS upgrade for the Cisco Catalyst 3850 Switch and encounter a corruption of the IOS-XE installation.
Logs below is the actual IOS upgrade process which it has indicated a successful installation of the new version
Switch#$stall file flash:cat3k_caa-universalk9.SPA.03.03.01.SE.150-1.EZ1.bin Preparing install operation ... [1]: Starting install operation…
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Building INE CCIE RSv5 IOSv All-in-One vRack (Bridging Method)
Building INE CCIE RSv5 IOSv All-in-One vRack (Bridging Method)
On the previous post Building INE CCIE RSv5 IOSv All-in-One vRack we use to connect using multicast method but the problem on that method its isolated on the host machine, we could not do some file transfer if we wanted like capture files we do using an IOS capture command. So the solution for this is to use a bridging method.
To do this we need to install additional packages
sudo apt-get install…
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Building INE CCIE RSv5 IOSv All-in-One vRack
Building INE CCIE RSv5 IOSv All-in-One vRack
While on my previous post i have discuss building the INE Topology using IOSv (Cisco Virtual IOS) on VMWare Workstation/Player, One of my friend has suggested; Why not build it all on a single Virtual Machine which make sense as it make it portable and could be easily migrated to any Computer.
Basically we are installing a Virtualize Router within a Virtualize server (Ubuntu Server)
So with this…
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Using VMware undocumented feature in accessing vIOS (Cisco Virtual IOS) Virtual Serial console
Using VMware undocumented feature in accessing vIOS (Cisco Virtual IOS) Virtual Serial console
While using VMWare workstation as a platform in running vIOS (Cisco Virtual IOS) we usually use the pipe method to access the Virtual Serial console with the devices but using undocumented feature we could access it with any telnet capable terminal software.
We only need to edit the VMware vmx file and add the following
From
serial0.fileType = "pipe" serial0.fileName = "\\.\pipe\com_1"
To
serial…
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