> Peter Robinson <pbrobinson@xxxxxxxxx> wrote: > > >The higher end ones take ages to negotiate because they try and neg > >Spanning Tree Protocol first so the port goes through a blocking, > >discovery and then is finally into the forwarding stage. > > "Higher end" switches (such as el cheapo Dells) can take up to 50 seconds to > start forwarding data while the Spanning Tree Protocol runs through its > BLOCKING, LISTENING, LEARNING, FORWARDING states; but that is assuming you are, > for some reason, running STP on an Access port. > > Normally you'll have configured these with the equivalent of (Cisco) IOS' > "spanning-tree portfast" to shortcut directly from BLOCKING to FORWARDING. > Semi-recent IOS can also do this for trunk ports if you need to pass tagged > VLANs out to your server for some reason. > > IOW, switches that take ages to start passing traffic on Access ports — where > all relevant FC boxen will live — are either mis-configured or broken. Or not configured. The number of sites that I've been to that have switches that run the default config is amazing and its a question that needs to be asked. Pete -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
