Cisco Nexus 3172 – (N3K-C3172) switches

Cisco Nexus 3172 (N3K-C3172) series switches was announced in 2013.
Based on BCM56850 StrataXGS® Trident2.

Here you can read about Cisco Nexus 3172 architecture.

  • 1.4-Tbps switching capacity
  • Forwarding rate of up to 1 bpps
  • Line-rate traffic throughput (both Layer 2 and 3) on all ports

N3K-C3172 supporting VXVLAN BGP EVPN from NX-OS version 7.0(3)I4(1)
This switches can work in N3K mode or in N9K mode.
In N9K mode switch will follow N9K license model.

Licenses in N3K mode:

Base license (N3K-BAS1K9)  ●   Static routing
●  RIPv2
●  EIGRP stub
● OSPFv2 (limited routes)
●  PIMv2 (sparse mode)
LAN Enterprise license  ●  OSPF (unlimited routes)
●  EIGRP (unlimited routes)
● BGP
●  Policy-Based Routing
● Generic routing encapsulation (GRE) tunnels
● Protocol Independent Multicast (PIM) Source-Specific Multicast (SSM) mode
● VXLAN
● VXLAN bridging with BGP eVPN control plane ( c софта 7.0(3)I4(1) )
Note   
The Layer 3 Base Services Package license is a prerequisite for the Layer 3 Enterprise Services Package license on Cisco Nexus 3000 and 3100 Series switches, except the Cisco Nexus 3164Q, 31128PQ, 3232C, and 3264Q switches and the Cisco Nexus 3100-V Series switches.

Here is a list of 6 models in N3K-3172 line, they have some difference in specifications:

Switch modelPorts layoutSystem memoryBoot flash
Cisco N3K-C3172PQ-10GE48 SFP+ и 6 QSFP+4 GB2 GB
Cisco N3K-C3172PQ-XL48 SFP+ и 6 QSFP+8 GB16 GB
Cisco N3K-C3172TQ-10GT48 10G BASE-T и 6 QSFP+4 GB2 GB
Cisco N3K-C3172TQ-32T32(48 need lic) 10G BASE-T и 6 QSFP+ 4 GB2 GB
Cisco N3K-C3172TQ-XL48 10G BASE-T и 6 QSFP+8 GB16 GB
Cisco N3K-C31128PQ-10GE96 SFP+ и 8 QSFP+64 GB SSD