Portfast to server with multiple NICs

[CanEHdian]

Any issues with enabling Portfast to a server that has 3 interfaces and which is setup to do routing between them? Main interface is on a busy VLAN, but the other 2 ints go to LANs (VLANs) that go nowhere else.

Thanks in advance...

[Prashanth Krishnappa]

As long as the server NICs do not do any bridging(and hence send out BPDUs), i do not see any issues with enabling port fast on these ports.

[CanEHdian]

Really.. so portfast can be enabled for anything that doesn't send out BPDUs, including routers, firewalls, etc..??

Basically, anything that isn't a hub/switch?

[ankurbhasin]

You got the whole story now!!

You are right.

Ankur

[Kevin Dorrell]

That's right. ... or a "bridge". Beware that some Micro$oft Operating Systems do bridging by default. It's OK if all the NICs are on different VLANs, but if the host has more than one NIC on the same VLAN, make sure it has bridging disabled.

Kevin Dorrell

Luxembourg

[CanEHdian]

Excellent info guys, much appreciated!

By the way, which MS Operating Systems would do such bridging by default??

[Kevin Dorrell]

XP does. Don't know about the others.