Can C1000-16T-2G-L be stacked with other switches?

C1000-16T-2G-L joins other Catalyst 1000 Gigabit switches in a Single IP Management group of up to eight units, linked through their SFP uplinks and managed from one IP address. Only 1G models can be grouped with other 1G models.

Does C1000-16T-2G-L forward jumbo frames, and at what MTU?

C1000-16T-2G-L supports a Layer 3 MTU of 9198 bytes and jumbo Ethernet frames of 10,240 bytes. These values apply to all Catalyst 1000 models. Connected servers and uplink peers must use matching MTU values, because a frame over the smallest MTU on the path is dropped.

Which ACL and multicast table sizes apply on C1000-16T-2G-L?

C1000-16T-2G-L holds 600 IPv4 and MAC security ACEs, 600 IPv6 ACEs and 1024 multicast groups, alongside 16,000 unicast MAC addresses. The public datasheet gives 16,000 MAC addresses, so size MAC tables from that value. Security policy is limited to 600 ACEs per address family.

Which IPv6 route and SVI limits apply on C1000-16T-2G-L?

C1000-16T-2G-L supports 64 SVIs, 414 IPv6 direct routes and 128 IPv6 indirect routes, with static routing as the only routing method. Route tables are limited to the 414 direct and 128 indirect IPv6 values, so plan prefix counts within those limits.

What ambient temperature range can C1000-16T-2G-L run in at 5,000 ft and 10,000 ft?

C1000-16T-2G-L runs at ambient temperatures up to 45 C at 5,000 ft (1500 m) and up to 40 C at 10,000 ft. The 50 C figure is short-term only per the datasheet footnote, and cold start needs 0 C. Sustained operation must stay inside the 45 C and 40 C steps.

How do I convert an SFP uplink on C1000-16T-2G-L into a Single IP Management port?

Enter switch N hstack-port 1 or 2 followed by the uplink name, save with copy running-config startup-config, then reload C1000-16T-2G-L. At most two ports can serve as management ports. Both uplinks can be single-IP ports, or one can stay a network port. Mixing SFP and SFP+ as management ports is not supported.

Can sFlow run on C1000-16T-2G-L when it is a Single IP Management member?

No. sFlow cannot be used on member switches in a Single IP Management group that includes C1000-16T-2G-L. Single IP Management is a management feature, not a data-plane stack, with one active unit and the other units as members. The link uses front-panel uplinks, downlink gigabit ports are not supported for it, and no Fast Ethernet model can join.

Which egress queue count applies to QoS on C1000-16T-2G-L?

The datasheet states up to 8 egress queues and 2 thresholds per port on C1000-16T-2G-L, with egress bandwidth control, shaping and priority queuing. Plan QoS policies around 8 queues per port, because queue counts above that figure are not available on this model.

What can the USB-A port on C1000-16T-2G-L be used for?

The USB-A port on C1000-16T-2G-L is limited to USB storage and a Bluetooth dongle for CLI and GUI access. The switch has an ARM v7 800 MHz CPU, 256 MB flash and 512 MB DRAM, measured in megabytes, not megabits, plus a 1.5 MB egress buffer.

C1000-16T-2G-L – 16x1G Data Ports – 2x1G SFP Uplinks – Fanless Access Switch

Name: C1000-16T-2G-L - Cisco 16-Port Catalyst 1000 Data Switch
Brand: Cisco
SKU: C1000-16T-2G-L
Price: 551.00 USD
Availability: InStock
Rating: 4.78 (9 reviews)

Brand: Cisco Category: Catalyst 1000 Switches Model: C1000-16T-2G-L

Rated 4.78 out of 5 based on 9 customer ratings

4.89 reviews10 Questions9 sold this month

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C1000-16T-2G-L Description

The C1000-16T-2G-L is a Cisco Catalyst 1000 Series fixed managed Layer 2 access switch for small offices and classrooms that connect data-only endpoints. The switch has 16 10/100/1000 RJ45 data ports, two 1G SFP uplinks, 36 Gbps of switching bandwidth and a fanless chassis with a fixed internal AC power supply. The switch supplies no PoE and supports static routing only.

Quick Specs

Parameter	Specification
Product ID	C1000-16T-2G-L
Product type	Fixed managed Gigabit Ethernet Layer 2 switch
Downlink ports	16 x 10/100/1000 RJ45 data ports
Uplink ports	2 x 1G SFP uplinks
PoE profile	Data switch with no PoE budget on this model
Internal power input	Single fixed internal AC power supply
Fan design	Fanless 16-port model
Switching capacity	36 Gbps for 16-port models
Forwarding bandwidth	18 Gbps for 16-port models
Forwarding rate	26.78 Mpps for 16-port models
Dimensions	10.56 x 10.69 x 1.73 in.
Weight	1.78 kg

Product Performance

Fixed Data Access Density

16-port Switching Bandwidth

16-port Forwarding Rate

Key Features

Data-Only Gigabit Ports

All 16 10/100/1000 RJ45 ports carry data only. Endpoints that need PoE draw power from another source.

Two 1G SFP Uplinks

Two SFP slots take Cisco-supported 1G modules for fiber or copper runs back to the distribution switch. The slots accept SFP modules only, not SFP+.

Fanless Chassis

With no fan, the switch makes no noise and can sit on a desk, on a shelf or in a compact rack. DIN-rail mounting uses a separate bracket.

Fixed Internal Power Supply

A single AC supply with 100 to 240V input is built into the chassis and cannot be replaced in the field. The switch does not support RPS or XPS.

Static Routing On A Layer 2 Platform

The switch routes between VLANs with static routes, with room for 542 direct and 256 indirect IPv4 unicast routes. Dynamic routing protocols are not part of the feature set.

Single IP Management

Up to eight Catalyst 1000 Gigabit switches can be joined through their SFP uplinks and managed from one IP address. Only 1G models can be grouped with other 1G models.

Application Scenarios

Small Office Data Closet

In a small office, the switch connects desktop PCs and printers over its 16 gigabit copper ports and carries their traffic to the main closet over a 1G SFP uplink.

Classroom Computer Bench

A school can place the fanless switch on a shelf or under a bench in a computer classroom, where it links student workstations without fan noise.

Retail Back Office

Behind a store counter, the switch joins point-of-sale terminals and back-office computers and sends their traffic to the store router through one of its two SFP uplinks.

Product Comparison

Parameter	C1000-16T-2G-L	C1000-16T-E-2G-L	C1000-16P-2G-L	C1000-16FP-2G-L
Gigabit Ethernet / FE ports	16 10/100/1000 RJ45 Data	16 10/100/1000 RJ45 Data	16 10/100/1000 RJ45 PoE+	16 10/100/1000 RJ45 PoE+
PoE power budget	0W (no PoE)	0W (no PoE)	120W	240W
Uplink ports	2 SFP	2 SFP	2 SFP	2 SFP
Power supply	Fixed internal AC	External PS	Fixed internal AC	Fixed internal AC
Switching capacity	36 Gbps	36 Gbps	36 Gbps	36 Gbps
Fanless	Yes	Yes	Yes	Yes
Layer 3 functionality	Static routing	Static routing	Static routing	Static routing
Single IP management	Up to 8 switches	Up to 8 switches	Up to 8 switches	Up to 8 switches

C1000-16T-2G-L and C1000-16T-E-2G-L share 16 Gigabit RJ45 data ports and 2 x 1G SFP uplinks, but C1000-16T-2G-L has a fixed internal AC power supply that cannot be replaced in the field, while C1000-16T-E-2G-L uses a replaceable external power supply. Closets that must power IP phones, access points or cameras need PoE+: C1000-16P-2G-L provides a 120W budget and C1000-16FP-2G-L provides 240W, both on the same two SFP uplinks. Cisco fixes the PoE budget of each Catalyst 1000 model and it cannot be increased later, so a closet that may outgrow 120W should start on C1000-16FP-2G-L. C1000-16T-2G-L suits sites with data-only endpoints and no external power supply requirement.

Ordering Checklist

Power cord: Select one AC power cord for the destination country. The cord is not included and must be selected on the order.
Uplink optics: Add Cisco-supported SFP modules for the 2 x 1G SFP slots, checked on the Cisco Transceiver Module Compatibility Matrix. The SFP slots accept only SFP modules, and the optics are ordered separately.
Mounting kit: Choose RCKMNT-19-CMPCT= or RCKMNT-23-CMPCT= for a rack, CMPCT-DIN-MNT for a DIN rail, or none for desktop use. Rack and DIN mounting parts for 16-port models are separate PIDs.

Optional Add-ons

Model	Description
CAB-CONSOLE-RJ45	Cisco console cable 6 ft. with RJ-45 for all Catalyst 1000 models
PWR-CLP	Power cable restraining clip for all Catalyst 1000 models
RCKMNT-19-CMPCT=	19 in. rack mount bracket for Catalyst 1000 compact 8-port and 16-port models
RCKMNT-23-CMPCT=	23 in. and 24 in. rack mount bracket for Catalyst 1000 compact 8-port and 16-port models

Specifications

Parameter	Specification	Parameter	Specification
Product ID	C1000-16T-2G-L	Product type	Fixed managed Gigabit Ethernet Layer 2 switch
Downlink ports	16 x 10/100/1000 RJ45 data ports	Uplink ports	2 x 1G SFP uplinks
PoE profile	Data switch with no PoE budget on this model	Fan design	Fanless 16-port model
Internal power input	Single fixed internal AC power supply	Voltage	100 to 240V AC in
Frequency	50 to 60 Hz	Input current	0.24A to 0.38A
Power rating	0.08 kVA maximum consumption	Power consumption without PoE	16.68W
Maximum BTU per hour	18.89 BTU/hr	Switching capacity	36 Gbps for 16-port models
Forwarding bandwidth	18 Gbps for 16-port models	Forwarding rate	26.78 Mpps for 16-port models
Console port	RJ-45 Ethernet console	USB-A port	1 USB-A port for storage and Bluetooth console
CPU	ARM v7 800 MHz	DRAM	512 MB
Flash	256 MB	Operating temperature	-5°C to 50°C (23°F to 122°F) up to 5,000 ft.
Dimensions	10.56 x 10.69 x 1.73 in.	Weight	1.78 kg

Quality Certifications

Customer Reviews

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4.8

Rated 4.78 out of 5

(9 reviews)

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Maria Crawford

Posted on 14/04/2026

Verified Buyer

Rated 5 out of 5

5.0

Pre-sales conversations felt like talking to someone who knew the product.

Jerry Davis

Posted on 19/02/2026

Verified Buyer

Rated 4 out of 5

4.0

Came with all the original tags and identifiers. Everything we’d expect from a genuine product.

Sergio Powell

Posted on 03/02/2026

Verified Buyer

Rated 4 out of 5

4.0

Shipment arrived early, and everything was intact. Shipping took a couple extra days, but product itself is perfect.

Barney Calhoun

Posted on 30/10/2024

Verified Buyer

Rated 5 out of 5

5.0

Glad to see you guys stock these. Buying a beer for the sales rep.

Gordon Freeman

Posted on 10/09/2024

Verified Buyer

Rated 5 out of 5

5.0

… (Review: 5 Stars. Works perfectly in the test chamber.)

Questions & Answers

Can C1000-16T-2G-L be stacked with other switches?
C1000-16T-2G-L joins other Catalyst 1000 Gigabit switches in a Single IP Management group of up to eight units, linked through their SFP uplinks and managed from one IP address. Only 1G models can be grouped with other 1G models.
How far does Layer 3 routing go on C1000-16T-2G-L, and how is it managed?
C1000-16T-2G-L routes between VLANs with static routes only, with room for 542 direct and 256 indirect IPv4 unicast routes. Dynamic routing protocols are not part of the feature set. Management uses the RJ-45 Ethernet console port or a Bluetooth console on the USB-A port.
Does C1000-16T-2G-L forward jumbo frames, and at what MTU?
C1000-16T-2G-L supports a Layer 3 MTU of 9198 bytes and jumbo Ethernet frames of 10,240 bytes. These values apply to all Catalyst 1000 models. Connected servers and uplink peers must use matching MTU values, because a frame over the smallest MTU on the path is dropped.
Which ACL and multicast table sizes apply on C1000-16T-2G-L?
C1000-16T-2G-L holds 600 IPv4 and MAC security ACEs, 600 IPv6 ACEs and 1024 multicast groups, alongside 16,000 unicast MAC addresses. The public datasheet gives 16,000 MAC addresses, so size MAC tables from that value. Security policy is limited to 600 ACEs per address family.
Which IPv6 route and SVI limits apply on C1000-16T-2G-L?
C1000-16T-2G-L supports 64 SVIs, 414 IPv6 direct routes and 128 IPv6 indirect routes, with static routing as the only routing method. Route tables are limited to the 414 direct and 128 indirect IPv6 values, so plan prefix counts within those limits.
What ambient temperature range can C1000-16T-2G-L run in at 5,000 ft and 10,000 ft?
C1000-16T-2G-L runs at ambient temperatures up to 45 C at 5,000 ft (1500 m) and up to 40 C at 10,000 ft. The 50 C figure is short-term only per the datasheet footnote, and cold start needs 0 C. Sustained operation must stay inside the 45 C and 40 C steps.
How do I convert an SFP uplink on C1000-16T-2G-L into a Single IP Management port?
Enter switch N hstack-port 1 or 2 followed by the uplink name, save with copy running-config startup-config, then reload C1000-16T-2G-L. At most two ports can serve as management ports. Both uplinks can be single-IP ports, or one can stay a network port. Mixing SFP and SFP+ as management ports is not supported.
Can sFlow run on C1000-16T-2G-L when it is a Single IP Management member?
No. sFlow cannot be used on member switches in a Single IP Management group that includes C1000-16T-2G-L. Single IP Management is a management feature, not a data-plane stack, with one active unit and the other units as members. The link uses front-panel uplinks, downlink gigabit ports are not supported for it, and no Fast Ethernet model can join.
Which egress queue count applies to QoS on C1000-16T-2G-L?
The datasheet states up to 8 egress queues and 2 thresholds per port on C1000-16T-2G-L, with egress bandwidth control, shaping and priority queuing. Plan QoS policies around 8 queues per port, because queue counts above that figure are not available on this model.
What can the USB-A port on C1000-16T-2G-L be used for?
The USB-A port on C1000-16T-2G-L is limited to USB storage and a Bluetooth dongle for CLI and GUI access. The switch has an ARM v7 800 MHz CPU, 256 MB flash and 512 MB DRAM, measured in megabytes, not megabits, plus a 1.5 MB egress buffer.

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DataSheet Downloads

C1000-16T-2G-L Datasheet

C1000-16T-2G-L – 16x1G Data Ports – 2x1G SFP Uplinks – Fanless Access Switch

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C1000-16T-2G-L Description

Quick Specs

Product Performance

Key Features

Application Scenarios

Product Comparison

Ordering Checklist

Optional Add-ons

Specifications

Quality Certifications

Customer Reviews

Questions & Answers

Can C1000-16T-2G-L be stacked with other switches?

How far does Layer 3 routing go on C1000-16T-2G-L, and how is it managed?

Does C1000-16T-2G-L forward jumbo frames, and at what MTU?

Which ACL and multicast table sizes apply on C1000-16T-2G-L?

Which IPv6 route and SVI limits apply on C1000-16T-2G-L?

What ambient temperature range can C1000-16T-2G-L run in at 5,000 ft and 10,000 ft?

How do I convert an SFP uplink on C1000-16T-2G-L into a Single IP Management port?

Can sFlow run on C1000-16T-2G-L when it is a Single IP Management member?

Which egress queue count applies to QoS on C1000-16T-2G-L?

What can the USB-A port on C1000-16T-2G-L be used for?

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