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CHAPTER
10-1
Cisco ONS 15600 Reference Manual, R7.2
10
Ethernet Operation
This chapter describes the operation of the Cisco ONS 15600 ASAP Ethernet card.
For Ethernet card specifications, refer to Appendix A, “Hardware Specifications.” For step-by-step
Ethernet card circuit configuration procedures, refer to the Cisco ONS 15600 Procedure Guide. Refer to
the Cisco ONS SONET TL1 Command Guide for TL1 provisioning commands.
Chapter topics include:
•
10.1 Any Service Any Port Card Application, page 10-1
•
10.2 Transport Functionality, page 10-2
•
10.3 Ethernet Rates and Mapping, page 10-4
•
10.4 Protocols over Ethernet, page 10-5
•
10.5 Buffering and Flow Control, page 10-6
•
10.6 Autonegotiation, page 10-7
•
10.7 Gigabit EtherChannel/IEEE 802.3ad Link Aggregation, page 10-8
10.1 Any Service Any Port Card Application
The Any Service Any Port (ASAP) Carrier Card plugs into any of the eight available I/O slots for the
ONS 15600. Each ASAP carrier card has four slots available for up to and including four ASAP
Pluggable Input/output Modules (PIMs). There are four slots available on the PIM for Pluggable Port
Modules (PPM), which are Small Form-factor Pluggable (SFP) optics. Four PPMs per ASAP PIM are
allowed, which means that there can be as many as 16 PPM optical network interfaces for each ASAP
carrier card. Each PPM can support any of the following single-rate SFP optics:
•
OC-3 LR-2
•
OC-12 LR-2
•
OC-48 LR-2
Each of the PPM ports also supports the following multirate SFP optics:
•
OC-3-SR-1
•
OC-12-SR-1
•
OC-48 IR-1
•
GE LX