Blocking Internet access on Terminal Server locally using using GPO’s

Open the gpedit.msc from the Start, Run

 Under User Configuration, Internet Explorer Maintenance, Connection, change the Proxy settings value and port.

Once this is done. Change the Settings under Administrative Templates, Windows Components, Internet Explorer, Disable changing proxy settings to Enable. By doing this the user cannot change the proxy settings.

By doing this when the user open internet explorer, it always points to the ip 0.0.0.0 which does not exist in the network and the internet page shows the page cannot be displayed.

How to add a route of a destination ip when you have multiple network cards or gateway

route -p ADD <Destination> MASK 255.255.255.255 <Gateway> 

eg: route -p ADD 192.168.1.0 MASK 255.255.255.0 192.168.10.1

In this case the route looking for 192.168.1.0 network will pass through the gateway 192.168.10.1

route print - To display the entire contents of the IP routing table.

route delete 192.168.1.0 mask 255.255.255.0

How To Empty the Clipboard memory in Windows 7

When ever you copy/ cut a word from a document its stored in the clipboard of the windows xp/7. After some times when the memory is full you cannot copy anymore. You will have to clear the items from the clipboard. To clear use the following command.

Also you can create a shotcut of the command

EtherChannel in Cisco Switches

An ether channel consists of individual fast Ethernet or gig Ethernet links bundled into a single logical link. It provides fault-tolerant high-speed links among switches, routers and servers.

Switch>en
Switch#config
Configuring from terminal, memory, or network [terminal]? t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#hostname switch0
switch0(config)#interface range fastEthernet 0/1-4
switch0(config-if-range)#channel-protocol pagp
switch0(config-if-range)#channel-group 1 mode auto
switch0(config-if-range)#
Creating a port-channel interface Port-channel 1

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/4, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/4, changed state to up

Switch>en

Switch#config t

Enter configuration commands, one per line.  End with CNTL/Z.

Switch(config)#hostname switch1

switch1(config)#interface range fastEthernet 0/1-4

switch1(config-if-range)#channel-protocol pagp

switch1(config-if-range)#channel-group 1 mode desirable

switch1(config-if-range)#

Creating a port-channel interface Port-channel 1

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/4, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/4, changed state to up

%LINK-5-CHANGED: Interface Port-channel 1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel 1, changed state to up

DHCP Configuration on Cisco Switch 3560

Switch>en
Switch#config t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#ip dhcp pool DHCP_Server
Switch(dhcp-config)#network 192.168.1.0 255.255.255.0
Switch(dhcp-config)#default-router 192.168.1.1
Switch(dhcp-config)#exit
Switch(config)#ip dhcp excluded-address 192.168.1.1 192.168.1.50
Switch(config)#exit
Switch#
%SYS-5-CONFIG_I: Configured from console by console

Switch#copy run start
Destination filename [startup-config]?
Building configuration...
[OK]
Switch#