Upgrade VDSL modem firmware on a Cisco 880 Series Router

Firstly transfer the new firmware to your router’s flash memory¬†using tftp. Next enter config mode and type:

router(config)# controller vdsl 0

Then type the following command at the prompt, where YOUR_FIRMWARE is the name of the firmware file that you transferred to flash e.g. vdsl.bin-A2pv6C035d_d23j which is the recommended firmware for BT ADSL in the UK.

router(config-controller)# firmware filename flash:YOUR_FIRMWARE


Cisco BT xDSL Product Bulletin

A2pv6C035d_d23j Firmware Release Notes


Restart a VPN tunnel on a Cisco ASA or PIX

To reset and restart VPN tunnels on a Cisco ASA or PIX firewall simply type:

clear crypto isakmp sa

Find out which user owns an an Exchange email address using the Exchange Management Shell

In the Exchange Management Shell type the following where SEARCH_EMAIL_ADDRESS is the email address that you are looking for:

get-recipient -results unlimited | where {$_.emailaddresses -match “SEARCH_EMAIL_ADDRESS”}