Index P

O

OC (Optical Carrier), 503

octets, 503

off option

in PAgP, 186

for trunk ports, 104

on option

in PAgP, 186

for trunk ports, 104

one-time challenging tokens, 503

ones density method, 503

Open Shortest Path First (OSPF)

block support in, 26

defined, 503

Open Systems Interconnection (OSI) model, 10-11, 11

data encapsulation in, 11-12, 11

defined, 503

Optical Carrier (OC), 503

optimal path determination, 14

optimum switching, 267, 268

Organizationally Unique Identifiers (OUIs), 504

OSI (Open Systems Interconnection) model, 10-11, 11

data encapsulation in, 11-12, 11

defined, 503

OSI reference model, 503

OSPF (Open Shortest Path First)

block support in, 26

defined, 503

OUIs (Organizationally Unique Identifiers), 504

out-of-band management, 504

out-of-band signaling, 504

outbound access control lists, 258

output buffer priorities

in best efforts networks, 357

defined, 504

override option, 323-324