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Cisco Nexus 5000 Series Hardware Installation Guide
OL-15902-01
Chapter1 Overview
Cisco Nexus 5500 Platform Switches
•Layer 3 GEMs (N55-M160L3 and N55-M160L3-V2) provide 160 Gbps of Layer 3 services. The
N55-M160L3-V2 uses a newer version of the Layer 3 ASIC that enables higher table sizes in a future
software release from 8K host entries to 16K host entries or from 4K multicast routes to 8K
multicast routes (IPv4).
You can hot swap the expansion modules during operations.
This section includes the following topics:
•4-port QSFP GEM, page1-5
•16-port Universal GEM2, page1-5
•Layer 3 GEM, page 1-6
4-port QSFP GEM
he 16-port Universal GEM2, shown in Figure 1-5, has 16 8-, 4-, 2-, or 1-Gbps Fibre Channel or 1- and
10-Gigabit Ethernet ports. This module is a field-replaceable unit (FRU) that you can hot swap during
operations.
Figure1-4 16-Port Universal GEM2
16-port Universal GEM2
The 16-port Universal GEM2, shown in Figure1-5, has 16 8-, 4-, 2-, or 1-Gbps Fibre Channel or 1- and
10-Gigabit Ethernet ports. This module is a field-replaceable unit (FRU) that you can hot swap during
operations.
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