5G Signal Strength
Excellent: -50 dBm to -65 dBm (or full signal bars) Good Signal: -66 dBm to -80 dBm (or 3-4 signal bars) Fair Signal: -81 dBm to -95 dBm (or 2 signal bars) Poor Signal: -96 dBm and below (or 1 signal bar or no signal)
Category Archives: Network
RDP Port Forwarding on ASA
If RDP must be enabled without a VPN follow these instructions.
IPCONFIG – Remotely Release and Renew
ipconfig /release && ipconfig /renew If run remotely “ipconfig /release” will disconnect the session and prevent running “ipconfig /renew”. These can be run consecutively from a single line by, connecting the two commands with “&&”.
Mac Cisco VPN Setup
To set up a Cisco VPN on your MAC:
Xfinity modem rental
Xfinity will allow you to install your own modem and drop the rental fee. This does not apply if you have a static IP address. In this case you will be required to use a Comcast owned modem.
Remote Connections
These PowerShell scripts list the remote IPs connecting on 443 , while filtering out local IPs and devices on ATT (107.77)
Carrier Network IPs
Cellular providers use specific IP ranges that can be filtered.
SMG Queue – 450 4.4.1
If you are seeing the following error, on messages in the Symantec Messaging Gateway queue: 450 4.4.1 [internal] Connection Timed Out These messages are being interrupted during transmission. This leads to the sender receiving a delayed delivery notice. This is caused by something in the message being rejected by the Cisco router during inspection of the traffic. To… Read More »
Home Ed. in a Domain
You can connect a Windows home edition PC to a domain as follows: Change the PCs workgroup to the domain name (pre-Windows 2000) Change the local username and password to exactly match a domain account. The PC should now have full access to Outlook, network shares and printers without entering credentials.
Network XP & 10
Hopefully this doesn’t come up often but when it does… Windows 10 no longer supports SMB1. It can be enabled (it is also a big security hole) Powershell as administrator: Enable-WindowsOptionalFeature -Online -FeatureName smb1protocol more on the topic in general here.
Autodesk License via VPN
If AutoCAD fails to pull a license over a VPN you need to adjust the time out period that it tries to connect. Do this by adding a system variable and it fixes all Autodesk products. System>Advanced…>Environment Variables>System Variables>New variable name: FLEXLM_TIMEOUT Variable value: 10000000
Site VPN 1/2 Connected
In a Site-toSite VPN setup between two Cisco ASAs you find that traffic stops passing between sites, however, the connection is established. In addition under Monitoring>VPN>IPSec Site-to-Site one side shows: Bytes Rx 0 / Tx increasing and the other ASA shows BytesRx increasing / Tx 0. While rare the fix is to: change nothing, save the configs and… Read More »
Crossing the netmask
When a device has a static IP address and it is introduced to a new network with a different IP scheme it is possible to gain access to the device inorder to reprogram it.