portfast

Is it a good idea to enable portfast on ports connected to servers and
workstations?
Reply to
tony
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Only if you have a very strict change control procedure. If you have more than one person who is allowed to reconfigure the cabling without checking it carefully with the other people, then eventually you *will* get unexpected devices connected.
Also, these days servers are increasingly acting as routers, and increasingly supporting VLANs, so unexpected spanning trees are likely to be generated.
Reply to
Walter Roberson
If you are the only plugging things in sure. If not someone may plug in another switch at some point and cause some grief. Spanning tree storms aren't funny!
Reply to
jw
Enabling PortFast is always good if the port connected to a server or workstation only. Even the server may act as a router, it is OK to enable PortFast, because a router doesn't participate in STP.
To prevent human errors, you should always label the cable that has enabled PortFast, and enable BPDU Guard on the switch.
Reply to
CCIE 15766
Enabling PortFast on access ports also prevents the Switch issuing STP Topology Change Notifications. Excessive TCN's can have an impact on network performance - a TCN is sent every time a port goes up or down unless PortFast is used.
Basically always enable PortFast on user ports.
James
CCIE 15766 wrote:
Reply to
James
Yes and as a safeguard enable 'spanning-tree bpduguard'. When a bpdu is received on a bpduguard enabled port it will be shutdown ... err-disabled.
BernieM
Reply to
BernieM

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