1.) Reserved PVCs.
To be picky, PVCs aren't reserved, but certain DLCIs are.
Frame Relay reserved DLCIs would be: 0 and 1023 for management, 1-15 for future use,
1008-1022 for future use (e.g. multicast).
I seem to remember reading somewhere that DLCI 992-1007 are reserved for something as
well, but I can't find the reference.
2.) Prioprietary Protocol on Cat5K.
Not sure, but he might have been asking about EtherChannel?
3.) Four major configs on a DSU/CSU?
Not sure again, but I'd guess: linecode, framing, clocking, timeslots....
Good luck!
Frank Jimenez, CCIE #5738
Systems Engineer
Cisco Systems, Inc.
[EMAIL PROTECTED]
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