Cisco has a command that can run TDR tests on an interface. A TDR (time-domain reflectometer) is an electronic instrument...
Contents of the Crashinfo File The crashinfo file contains this information: *limited error message (log) and command history *description of...
Cisco supports DOM (Digital Optical Monitoring) which is an industry standard to capture real time operating stastics such as:...
Incomplete = The three-way TCP handshake didn’t complete. (Routing issue or destination server not listening on the port) Not-applicable =...
On an IOS router (for example a 890, 1900, 2900. 3900, 7200 Series Router) there is a capability to capture...
I came across a bug in IOS 12.2(53r)SE2 and it shows up in other IOS versions, where the “Total output...
If you look below, you can see going over a tunnel that the decaps are at 0 and the encaps...
A jumbo frame is technically any Ethernet frame over 1500....
To start the capture: netsh trace start capture=yes overwrite=no maxSize=500 tracefile=c:\Users\capture1.etl Trace configuration: ------------------------------------------------------------------- Status: Running Trace File: C:\Users\capture1.etl Append:...
ACL looks like this: access-list VPN-FILTER permit {remote-IP} [remote-Port] {local-IP} [local-Port] Examples: LOCAL: ...