model info:

WS-C3850-12S-S

enclosure type

Rack-mountable - 1U

Ports

12 x SFP ports

Network management Interface

● Ethernet management port: RJ-45 connectors, 4-pair Cat-5 UTP cabling
● Management console port: RJ-45-to-DB9 cable for PC connections

Available PoE Power

None

Switching Capacity

68Gbps

Maximum stacking number

9

Stack Bandwidth

480Gbps

Forwarding Performance

68.4Mpps

FNF entries

48,000 flows

Maximum VLANs IDs

1,000

MAC Address Table Size

32K

CPU

Multicore CPU

RAM

4 G 

Flash Memory

2 G

Wireless

Number of AP per switch/stack

100

Number of wireless clients per switch/stack

2000

Total number of WLANs per switch

64

Wireless bandwidth per switch

up to 20Gbps 

Supported Aironet AP series

3600, 3500, 2600, 1600, 1260, 1140, 1040

Expansion / Connectivity

Console ports

USB (Type-B), Ethernet (RJ-45)

Expansion Slot(s)

1 network module slot and 1 power redundant slot

Network Modules Selection

● C3850-NM-4-1G: 4 x 1G uplinks network module
●C3850-NM-2-10G: 2 x 10G or 4 x 1G uplinks network module 

Stacking cable

●STACK-T1-50CM StackWise stacking cable with a 0.5 m length
●STACK-T1-1M StackWise stacking cable with a 1.0 m length
●STACK-T1-3M StackWise stacking cable with a 3.0 m length

Stack Power Cable (recommended)

●CAB-SPWR-30CM stack power cable with a 30CM length
●CAB-SPWR-150CM stack power cable with a 150CM length

Power supply

PWR-C1-350WAC

Power Device

Power supply - redundant - plug-in module

Power Redundancy

optional

Voltage range (Auto)

100V-240V

Power Consumption of standalone(in Watts)

109.75 (Max)

Miscellaneous

Width

17.5 Inches (44.5 cm)

Depth

17.7 Inches (45.0 cm)

Height

1.75 Inches (4.45 cm)

Weight

15.48 Pounds (7.02 Kg)

Rack Mounting Kit

optional

 MTBF in hours

315,840

Compliant Standards

● IEEE 802.1D Spanning Tree Protoco
● IEEE 802.1p CoS Prioritization
● IEEE 802.1Q VLAN
● IEEE 802.1s
● IEEE 802.1w
● IEEE 802.1X
● IEEE 802.1X-Rev
●IEEE 802.11
● IEEE 802.1ab (LLDP)
● IEEE 802.3ad
● IEEE 802.3x full duplex on 10BASE-T, 100BASE-TX, and 1000BASE-T ports

● IEEE 802.3 10BASE-T
● IEEE 802.3u 100BASE-TX
● IEEE 802.3ab 1000BASE-T
● IEEE 802.3z 1000BASE-X
● RMON I and II standards
● SNMP v1, v2c, and v3

System software / license

System software

IOS IP Base (Upgradable)

EnergyWise license

ENERGY-MGMT, ENERGY-MGT-100-K9

Software license

●C3850-12-S-E: IP Base to IP Services RTU paper license

●L-C3850-12-S-E: IP Base to IP Services RTU electronic license

Access Point Licenses

●L-LIC-CT3850-UPG: Primary upgrade license SKU for Cisco 3850 wireless controller (e-delivery)
●L-LIC-CTIOS-1A: 1 access point adder license for Cisco IOS Software based wireless controller (e-delivery)
●LIC-CT3850-UPG: Primary upgrade license SKU for Cisco 3850 wireless controller (paper license)
●LIC-CTIOS-1A: 1 access point adder license for the Cisco IOS Software based wireless controller (paper license)

Features

●RPS Support ● Jumbo Frames ● VLANS ●Voice Vlan ●VTPv2 ●CDPv2 ●LLDP ● 802.3ad LACP and PAgP 

● PVST/PVST+ ● 802.1W/802.1S ●Port Fast/Uplink Fast  ●Dynamic Trunking Protocol (DTP) ● port CoS Trust

and Override ● Trusted Boundary ● ACL Classification ●ingress Policing ● Auto QoS ● Per VLAN policies 

● 802.1p queues ● Scheduling ● Priority Queuing ● Configure CoS Priority Queues ●Configure CoS Priority

Queues ● Configure Queue Weights ● Configure Buffers and Thresholds ●Class & Policy Maps ● Modify CoS

and DSCP Mapping ● Weighted Tail Drop ● IGMPv1,v2,v3 and MLDv1, v2 ● DHCP server ● DSCP transparency 

● HSRP, VRRP, BLGP ● RIPv1, v2 EIGRP, PIM  OSPF, OSPFv3, EIGRPv6, BGPv4, IS-ISv4  ● VRF-lite  ● PIM-SM/DM,

PIM sparse-dense mode, SSM ● Flexible Netflow

Advanced Network security

● Port security ● DHCP snooping ●Dynamic ARP inspection (DAI) ● IP source guard ●The Unicast Reverse Path Forwarding (uRPF) 
● Bidirectional data support on a SPAN ● User authentication
● Private VLAN  ●Router and VLAN ACLs  ● complete identity and security
● Multidomain authentication ● MAC address notification 
● IGMP filtering ● Cisco security VLAN ACL 
● Secure Shell (SSH) Protocol, Kerberos, and Simple Network Management Protocol Version 3 (SNMPv3) 
● Port-based ACLs ● TrustSec SXP ● IEEE 802.1ae
● TACACS+ and RADIUS authentication ● Cisco standard and extended IP security router ACLs
●  Bridge protocol data unit (BPDU) Guard 
● Spanning Tree Root Guard (STRG) ● Wireless end-to-end security