Technitium MAC Address Changer

Technitium MAC Address Changer (TMAC) by Shreyas Zare is a freeware network setting manipulation tool for Windows. You can use is to

• change MAC address of an Network Interface Card
• enable/disable a network connection
• add/remove an IP address
• add/remove a gateway
• add/remove a DNS server IP address
• enable/disable DHCP on a network connection
• release IP and renew lease for selected connection
• set interface metric
• create/modify/delete a configuration preset
• configure Internet Explore HTTP proxy settings

TMAC also provides command line interface for above-listed operations. The command line syntax is as follows.

tmac -n network_connection_name   [-m mac_address / -nm mac_address / -r / -nr ]   [-h]   [-i ip_address_1[,ip_address_2...] :subnet_mask_1[,subnet_mask_2...]]   [-g gateway_1[,gateway_2...] :metric_1[,metric_2...]]   [-d dns_server_1[,dns_server_2...]]   [-pxy http_proxy_server_address:port]   [-p preset_name]   [-s]   [-re]   [-di]   [-rn]   [-rl]   [-sv]   [-ro]   [-nta]   [-nst]   [-f preset_file]

OPTION DETAILS-

-n     Specifies name of the network connection/adapter (NIC). Name may be complete or partial or just a part of it.

-m     Specifies a MAC address. Blank MAC address implies original MAC address of the NIC.

-nm    Specifies a non-persistent MAC address. Blank MAC address implies original MAC address of the NIC.

-r     Specifies to use a random MAC address from manufacturers list.

-nr    Specifies to use a non-persistent random MAC address from manufacturers list.

-h     Enables DHCP and removes previous IP addresses and Gateways.

-rl    Releases DHCP server assigned IP address.

-Rn    Renews IP address lease from DHCP server.

-i     Changes IP address. IP address list is comma separated, subnet masks list is comma separated. Both IP addresses and subnet masks lists are separated using a colon ':'

-g     Changes Gateway address. Gateway addresses list is comma separated, metrics list is comma separated. Both Gateway addresses and metric lists separated using a colon ':'

-d     Changes DNS server address. DNS server address list is comma separated.

-pxy   Sets Internet Explorer HTTP proxy server. If server address is blank, proxy settings are disabled.

-s     Silent mode. Do not show any message window.

-re    Restarts network connection/adapter.

-di    Disable network connection/adapter.

-p     Specifies name of a preset saved earlier to be used. Preset name may be complete or partial or just a part of it. This parameter over powers all other network settings.

-sv    Loads short vendor list which makes TMAC load faster. This parameter over powers all other parameters.

-ro    Resets the original MAC address info saved in registry by TMAC. Use this only if original MAC address saved is wrong. This parameter over powers all other parameters.

-nta   Disable system tray animated icon.

-nst   Disable system tray icon.

-f     Specify preset file to load.

-help  Displays help message.

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