One of my accounts had an unfortunate network outage that lasted about an hour. This outage was caused by human error with VTP but not in the classic revision number way we have heard about before. Here is what happened… Related PostsTCP Incast and Cloud application performance Cisco UCS Networking videos (in HD), Updated & [...]
Things to know about VTP
November 21, 2007 By 2 Comments
Some notes about VTP (VLAN Trunking Protocol): Cisco switches running Cisco IOS store VTP and VLAN information in a separate database stored in Flash, in file called vlan.dat. Cisco switches running CatOS store VTP and VLAN information in the main switch configuration file, stored in NVRAM. VTP information is only transmitted over trunk ports. A [...]
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