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24 Chapter 1 About the Passport 8683POS Module
209564-A
Refer to Networking Concepts for the Passport 8000 Series Switch, Release 3.1
for a thorough discussion of the complete functionality of the Passport product
line, including the Passport 8683POS Module.
This chapter provides the following information about the Passport 8683POS
Module:
• “Features,” next
• “Physical description” on page 25
Features
The Passport 8683POS Module has the following features:
• SONET and SDH compliant, supporting OC-3c/STM-1 and OC-12c/STM-4
framing
• Front-panel LEDs to monitor port activity and module operation
• Ability to remove and install a module (hot-swap) without resetting the switch
• MTBF of 150,000 hours
• Internal and external loopback support on all ports for testing purposes
• Hardware diagnostics
• Brouter port configuration
• Bridging support: RFC 1638-compliant
• Routing support for both unicast and multicast IP and IPX routing
• Support for both single-mode fiber (SMF) and multimode fiber (MMF)
cabling
• Support for DVMRP
• Support for IGMP
• Support for MultiLink Trunking (MLT)
• Support for the following VLAN features currently implemented in the
Passport switches including:
— Port-based VLAN
— Policy-based VLANs (protocol-based, IP subnet-based VLANs)
— IEEE 802.1Q tagged VLANs
• Support for the following RFCs: