Packet Tracer – RIP v2 simple lab

Here is topology map,
Two PC – PC0 and PC1

ip scheme
PC0 : 192.168.1.2/24
PC1 : 172.168.1.3/24

Router 0:
GigabitEthenet 0/0: 192.168.1.1/24
S0/0/0: 10.1.1.1/24

Router 1:
GigabitEthenet 0/0: 172.168.1.1/24
S0/0/0: 10.1.1.2/24

rip

Here is example of config interface

1
2
3
4
5
6
7
8
 
Router> en
 
Router# conf t
 
Router(config)# interface GigabitEthernet0/0
ip address 172.168.1.1 255.255.255.0
exit

rip config, run same command on both routers.

1
2
3
4
5
6
7
router rip
version 2
network 10.1.1.0
network 192.168.1.0
network 172.168.1.0
no auto-summary
exit

show_run

Posted in Cisco | Leave a comment

wifi unstable on windows 10

one of way is to change power manage.

 

go to device manager( search control panel ), right click on wifi and go to “power management” and untick “Allow the computer to turn of this device to save power”

 

wifi-powermanagement

Posted in Windows Server | Tagged | Leave a comment

portabledeviceapi.dll error – problem of Windows 10 upgrading to windows 8

after upgrading from windows 8.1 to windows 10, sometime, system will pop up windows dialog and said “There was a problem staring portabledeviceapi.dll”.

rundll-1

The solution is:

Open “Task Scheduler”, under ‘Task Scheduler Library’ having WPD. Delete SqmUpload….

taskSchedule-1

Posted in Uncategorized | Leave a comment

Enable Windows 10 / 2016 long path

As we know, MAX_PATH is always 260 chars in windows.

In windows 10, we could enable in gpedit.msc.

The path is:

Local Group Policy – Computer Configuration – Administrative Templates – System – FileSystem

don’t go to “NTFS” folder, originally, it is located in NTFS. However, it move to “FileSystem” folder.

long-path

Posted in Windows Server | Leave a comment

disable CompatTelTunner.exe

After Install Windows 10 Annual updated package. one progress named  CompatTelTunner.exe takes 100% disk usage. Therefore, it has to been disabled to release some resource.

You can disable the scheduled tasks that starts CompatTelTunner.exe by looking in the Task Scheduler.
Computer Management – System Tools – Task Schedule Library – Microsoft – Windows – Application Experience
or
Start – Run – taskschd.msc
Name: Microsoft Compatibility Appraiser
Location: \Microsoft\Windows\Application Experience
Collects program telemetry information if opted-in to the Microsoft Customer Experience Improvement Program.
Right click on “Microsoft Compatibility Appraiser” and select “Disable” By default, it is set to start if there is ANY network connection.

Posted in Uncategorized | Leave a comment

Show More Items on Jump Lists on Task bar

if you right click on icons on jump list, it will show you history item. you could pin some of items for normal use.

to increase ‘recent item’ on task bar, right click on ‘Task bar’ and select ‘Property’. in pop up diagram, increasing item number such as ’20’ to increase number of recent item.

taskbar

Posted in Uncategorized | Leave a comment

Max Memory Support in Mother Board

you may just wonder how big memory your motherboard support.

Here is one of way to test it.

open “cmd”

run command “wmic memphysical get maxcapacity”

My computer will display 33554432

33554432/(1024*1024) = 32GB

therefore, 32GB is max memory motherboard support.

Posted in Windows Server | Leave a comment

Configure Ftp server on Windows Server 2012

Configure ftp server is very simple task on previous windows version.

However, In Windows Server 2012, there are some tricky problem when configuring ftp server.

Here is to configure ftp server passive data port.

windows 2012-ftp3

you have to choose “Application Pools”

windows 2012-ftp

then later on add Firewall inbound rule to allow all ports you open.

Posted in Uncategorized | Leave a comment