Does C9300-48U-A support BGP?

Yes. Network Advantage on C9300-48U-A adds BGP, unrestricted OSPF, VRF, VXLAN, LISP, Cisco TrustSec and MACsec-256. A powered access closet can then route and segment its own traffic. The hardware needs Cisco IOS XE Everest 16.5.1a or later.

How much power does a device receive from a Cisco UPOE port on C9300-48U-A?

A 60W UPOE port is an IEEE 802.3bt Type 3 source, so a Class 6 device receives 51W after cable loss. A Type 4 device that asks for 90W is demoted to Type 3 operation on this port. Plan the endpoint power class against the 51W device-side figure, per the Catalyst 9300 datasheet.

How many C9300-48U-A switches can share power in a StackPower ring?

Up to four C9300-48U-A switches can share power in a StackPower ring with 1+N redundancy. An XPS 2200 extends this to eight switches in a star topology. One eight-member data stack can hold two power stacks. Order CAB-SPWR-30CM or CAB-SPWR-150CM for the cabling, per the Catalyst 9300 datasheet.

Can C9300-48U-A use the PWR-C1-1900WAC-P power supply?

Yes. PWR-C1-1900WAC-P is listed as an available supply for modular-uplink Catalyst 9300 models and can be mixed with the other 9300 supplies. It delivers 1500W at 115V input and 1900W at 230V input. It also takes its own power cord, so order that cord with it.

Does a C9300-DNA-A-48-5Y term for C9300-48U-A include ThousandEyes?

Yes. The Advantage term brings the ThousandEyes Network and Application Synthetics license, PID TE-EMBEDDED-T, at no extra charge for the same term as the subscription. This applies to 3-year, 5-year and 7-year terms. Essentials subscriptions do not carry it.

What are the default Access SDM template limits on C9300-48U-A?

The default Access template on C9300-48U-A allows 4094 VLANs, 32,768 unicast MAC entries and 24,576 directly connected routes. It also allows 8,192 indirect routes and 1,024 PBR ACEs. IPv6 entries take two slots each. Check the active template with the show sdm prefer command after any change.

Does C9300-48U-A keep PoE running during a reload?

Yes, with Perpetual PoE. It holds power to the powered devices through a soft reload such as an upgrade, a crash or a manual reboot, and across a stack. It does not cover power loss. Fast PoE restores power in under 30 seconds from stored power and requires the perpetual-poe-ha setting on the port.

Can C9300-48U-A sit in a stack with Catalyst 9300X switches?

Yes. A mixed stack of C9300-48U-A and Catalyst 9300X members runs StackWise-480 at 480 Gbps. All members must run the same IOS XE release and the same license tier, and a stack holds up to 8 members. Per the Catalyst 9300 datasheet, StackWise-1T applies only to 9300X-only stacks.

What can be plugged into the USB ports of C9300-48U-A?

The front USB Type A port is USB 3.0 at 5V and 900 mA and accepts Cisco USB flash drives. A USB mini-Type B console port sits beside the RJ-45 console. The rear panel has a USB 3.0 SSD slot for a 120/240 GB module, which you install for app hosting storage.

C9300-48U-A – 48x1G UPOE Ports – Modular Uplink – 822W PoE Budget – Network Advantage

Name: C9300-48U-A - Cisco 48-Port UPOE Network Advantage Switch
Brand: Cisco
SKU: C9300-48U-A
Price: 2574.11 USD
Availability: InStock
Rating: 4.82 (11 reviews)

Brand: Cisco Category: Catalyst 9300 Switches Availability:

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Model: C9300-48U-A

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Rated 4.82 out of 5 based on 11 customer ratings

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C9300-48U-A Description

The C9300-48U-A is a Cisco Catalyst 9300 Series stackable access switch for wiring closets that power phones, access points and cameras over Cisco UPOE. The switch has 48 10/100/1000 UPOE ports at up to 60W each, a modular uplink slot and 256 Gbps of switching capacity, and its default 1100W AC supply provides an 822W PoE budget. The -A suffix carries Network Advantage, which adds BGP, VRF, VXLAN and MACsec-256 to the Layer 2 and routed-access set of Network Essentials.

Quick Specs

Parameter	Specification
Product ID	C9300-48U-A
Product type	Stackable access switch with modular uplinks
Downlink ports	48 x 10/100/1000 Mbps Cisco UPOE copper ports
Powered port class	Cisco UPOE up to 60W per port
Network license	Network Advantage
Cisco software subscription	C9300 48-port Advantage term license
Uplink architecture	Modular uplink slot for Cisco Catalyst 9300 network modules
Default power supply	PWR-C1-1100WAC-P
Default PoE budget	822W
Expanded PoE budget	1800W with supported secondary power supply configuration
Stacking architecture	StackWise-480 with StackPower support
Minimum software release	Cisco IOS XE Everest 16.5.1a
Switching and forwarding	256 Gbps standalone switching; 190.48 Mpps standalone forwarding

Product Performance

1G UPOE access density

Default PoE budget

Standalone switching capacity

Key Features

60W Cisco UPOE On Every Port

All 48 ports deliver Type 1, Type 2, Type 3 and Cisco UPOE power, up to 60W per port. Devices above the 30W PoE+ class can be powered without a separate adapter.

822W Budget And A Second Supply

The 1100W default supply leaves 822W for PoE, about 17W per port if all 48 ports draw at once. A second supply raises the budget to 1800W, which covers 30 ports at the full 60W.

Uplink Speed Set By A Network Module

The modular slot takes C9300-NM-4G, C9300-NM-8X, C9300-NM-2Q, C9300-NM-2Y or C9300-NM-4M modules. Uplink speed changes by swapping the module rather than the switch.

StackWise-480 With StackPower

Up to eight units stack at 480 Gbps, and StackPower shares power across the members. A stack that pools its UPOE budget can ride through the loss of one supply.

Advanced Routing And Segmentation

Network Advantage adds BGP, unrestricted OSPF, VRF, VXLAN, LISP and Cisco TrustSec. A powered access closet can then route and segment its own traffic.

MACsec-256 And Automation Interfaces

Link encryption steps up from MACsec-128 to MACsec-256 at this tier. NETCONF, RESTCONF and YANG interfaces are included for controller-driven provisioning.

Application Scenarios

Phone And Access Point Closet

In a floor wiring closet, the switch powers IP phones and wireless access points from its UPOE ports and carries their traffic to the distribution layer through the modular uplink.

High-Power Endpoint Floor

A floor with devices that draw more than the 30W of PoE+ can power them straight from the 60W UPOE ports, with no separate power adapter at each device.

Advantage-Tier Campus Stack

In a campus building that already runs Network Advantage, the switch joins a StackWise-480 stack of modular-uplink Catalyst 9300 switches and shares power across it through StackPower.

Product Comparison

Parameter	C9300-48U-A	C9300-48U-E	C9300-48H-A	C9300-48P-A
Downlink ports	48x 10/100/1000 UPOE	48x 10/100/1000 UPOE	48x 10/100/1000 UPOE+	48x 10/100/1000 PoE+
Network module uplinks	Modular	Modular	Modular	Modular
Default AC power supply	PWR-C1-1100WAC-P (1100W)	PWR-C1-1100WAC-P (1100W)	PWR-C1-1100WAC-P (1100W)	PWR-C1-715WAC-P (715W)
Available PoE power, default supply	822W	822W	822W	437W
Maximum available PoE power	1800W	1800W	2880W	1440W
Switching capacity	256 Gbps (736 Gbps stacked)	256 Gbps (736 Gbps stacked)	256 Gbps (736 Gbps stacked)	256 Gbps (736 Gbps stacked)
Stack bandwidth	480 Gbps (StackWise-480)	480 Gbps (StackWise-480)	480 Gbps (StackWise-480)	480 Gbps (StackWise-480)
Network stack license	Network Advantage	Network Essentials	Network Advantage	Network Advantage
Minimum software release	Cisco IOS XE 16.5.1a	Cisco IOS XE 16.5.1a	Cisco IOS XE 17.2.1	Cisco IOS XE 16.5.1a

C9300-48U-A and C9300-48U-E share the same 48 UPOE ports, 1100W default supply and 822W default PoE budget, and the license is the only difference: C9300-48U-A carries Network Advantage, so it can be replaced by C9300-48U-E only where BGP, VRF, VXLAN and Cisco TrustSec are not needed, and Cisco lists no downgrade PID. Ports that must deliver UPOE+ power beyond the 60W UPOE class require C9300-48H-A, which needs Cisco IOS XE 17.2.1. Closets whose devices stay within 30W PoE+ can use C9300-48P-A, which provides 437W on a 715W supply.

PoE Power Planning

Planning Item	Cisco Confirmed Value	Order Impact
UPOE class	Cisco UPOE ports support Type 1, Type 2, Type 3, and Cisco UPOE powered devices up to 60W per port	Confirm endpoint power class instead of quoting a PoE+ or UPOE+ model by habit
Default PoE budget	C9300-48U-A is listed with 822W available PoE and a PWR-C1-1100WAC-P default supply	Compare powered endpoint count with the available base budget
Power supply slots	Catalyst 9300 switches support one or two internal power supply modules	Decide whether the secondary supply is needed for redundancy, more available PoE, or both
StackPower design	Catalyst 9300 modular-uplink switches support StackPower	Add StackPower cabling only when the deployment uses shared power across stack members

Ordering Checklist

Software subscription: Order an Advantage term for the 48-port copper group, such as C9300-DNA-A-48-5Y or C9300-DNX-A-48-5Y (3, 5 or 7 years). Cisco DNA Advantage with a 5-year term is the configurator default, and the subscription must match the switch tier on new orders.
Uplink module: Keep the default C9300-NM-8X, change it to another Catalyst 9300 network module, or select C9300-NM-NONE. The configurator fills the modular uplink slot, so the default adds a module to the order.
Second power supply: A second supply matching the primary is selected by default and C9300-SPS-NONE removes it. Leaving the default adds a second supply to the order; removing it leaves the switch on a single supply.
Stack cables: A 50 cm StackWise cable and a 30 cm StackPower cable are selected by default; C9300-STACK-NONE and C9300-SPWR-NONE remove them. A stack across racks needs longer cables ordered separately, and a standalone switch needs neither default.
Power cords: Select the cord type for the destination country. The configurator defaults to North America cords and ships two.

Optional Add-ons

Model	Description
C9300-NM-4G	Cisco Catalyst 9300 4 x 1GE SFP network module
C9300-NM-8X	Cisco Catalyst 9300 8 x 10GE SFP+ network module
C9300-NM-2Q	Cisco Catalyst 9300 2 x 40GE QSFP+ network module
C9300-NM-2Y	Cisco Catalyst 9300 2 x 25G/10G/1G SFP28 network module
C9300-NM-4M	Cisco Catalyst 9300 4 x 10G/mGig copper network module
NM-BLANK-T1=	Cisco Catalyst Type 1 network module blank spare
STACK-T1-50CM	50CM type 1 stacking cable
STACK-T1-1M	1M type 1 stacking cable
STACK-T1-3M	3M type 1 stacking cable
C9300-DNX-A-48-3Y	C9300 Cisco Catalyst Advantage 48-port 1G copper 3-year term license
C9300-DNX-A-48-5Y	C9300 Cisco Catalyst Advantage 48-port 1G copper 5-year term license
C9300-DNX-A-48-7Y	C9300 Cisco Catalyst Advantage 48-port 1G copper 7-year term license

C9300-48U-A Switch Rear Panel

The switch rear panel includes StackWise connectors, StackPower or XPS connectors, ports, fan modules, and power supply modules.

1	Ground connectors	7	StackPower connectors
2	USB3.0–SSD port	8	AC OK (input) status LED
3	BEACON LED	9	PS OK (output) status LED
4	CONSOLE (RJ-45 console port)	10	StackWise-480 port connectors
5	MGMT (RJ-45 10/100/1000 management port)	11	Power supply modules
6	Fan modules	–	–

Rear Panel of a Cisco Catalyst 9300 Series Switch

Components Delivered in the Shipping Box

The shipping box contains the model of the switch you ordered and other components needed for installation. Some components are optional, depending on your order.

1	Cisco Catalyst 9300 Series switch with optional network module¹ (power supply and fan modules not shown)	9	Eight number-8 Phillips flat-head screws
2	AC power cord	10	Cable guide
3	Product documentation and compliance document	11	M4.0 x 20mm Phillips pan-head screw
4	Four rubber mounting feet	12	(Optional) RJ-45 console cable
5	Ground lug screw and ring terminal	13	(Optional) USB console cable
6	Two 19-inch mounting brackets	14	(Optional) StackWise-480/1T cable (0.5-meter, 1-meter, or 3-meter)
7	Four number-12 pan-head screws	15	(Optional) StackPower cable (0.3-meter or 1.5-meter)
8	Four number-10 pan-head screws	16	(Optional) StackWise-320 cable

Specifications

Parameter	Specification	Parameter	Specification
Product ID	C9300-48U-A	Product type	Stackable access switch with modular uplinks
Network license	Network Advantage	Downlink ports	48 x 10/100/1000 Mbps Cisco UPOE copper ports
UPOE support	Type 1, Type 2, Type 3, and Cisco UPOE powered devices up to 60W per port	Uplink architecture	Optional field-replaceable C9300 network module
Supported network modules	C9300-NM-4G, C9300-NM-8X, C9300-NM-2Q, C9300-NM-2Y, C9300-NM-4M	Default network module selection	C9300-NM-8X for C9300 modular uplink SKUs unless changed in order configuration
StackWise cable options	STACK-T1-50CM, STACK-T1-1M, STACK-T1-3M	Default power supply	PWR-C1-1100WAC-P
Default PoE budget	822W	Power supply architecture	One or two internal power supply modules
Stacking architecture	StackWise-480	StackPower	Supported
Minimum software release	Cisco IOS XE Everest 16.5.1a	Switching capacity	256 Gbps standalone
Switching capacity with stacking	736 Gbps	Forwarding rate	190.48 Mpps standalone
Forwarding rate with stacking	547.62 Mpps	Dimensions	1.73 x 17.5 x 19.2 in. (4.4 x 44.5 x 48.8 cm)
Weight	7.72 kg (17.03 lb)

Quality Certifications

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Product arrived factory-sealed with original packaging. Everything checked out.

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Layer23 lived up to the positive feedback I’d seen elsewhere.

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Layer23 takes the guesswork out of vendor selection for us.

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Security seals intact. Authentic equipment. Good job.

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Full PoE+ load handled without brownouts—shipping was next-day.

Questions & Answers

Can C9300-48U-A be stacked?
Yes. C9300-48U-A stacks over StackWise-480 with up to eight units, and StackPower shares power across the members. A stack that pools its UPOE budget can ride through the loss of one supply. Stacking runs at 480 Gbps of stack bandwidth, and a stack across racks needs longer StackWise cables ordered separately.
Does C9300-48U-A support BGP?
Yes. Network Advantage on C9300-48U-A adds BGP, unrestricted OSPF, VRF, VXLAN, LISP, Cisco TrustSec and MACsec-256. A powered access closet can then route and segment its own traffic. The hardware needs Cisco IOS XE Everest 16.5.1a or later.
How much power does a device receive from a Cisco UPOE port on C9300-48U-A?
A 60W UPOE port is an IEEE 802.3bt Type 3 source, so a Class 6 device receives 51W after cable loss. A Type 4 device that asks for 90W is demoted to Type 3 operation on this port. Plan the endpoint power class against the 51W device-side figure, per the Catalyst 9300 datasheet.
How many C9300-48U-A switches can share power in a StackPower ring?
Up to four C9300-48U-A switches can share power in a StackPower ring with 1+N redundancy. An XPS 2200 extends this to eight switches in a star topology. One eight-member data stack can hold two power stacks. Order CAB-SPWR-30CM or CAB-SPWR-150CM for the cabling, per the Catalyst 9300 datasheet.
Can C9300-48U-A use the PWR-C1-1900WAC-P power supply?
Yes. PWR-C1-1900WAC-P is listed as an available supply for modular-uplink Catalyst 9300 models and can be mixed with the other 9300 supplies. It delivers 1500W at 115V input and 1900W at 230V input. It also takes its own power cord, so order that cord with it.
Does a C9300-DNA-A-48-5Y term for C9300-48U-A include ThousandEyes?
Yes. The Advantage term brings the ThousandEyes Network and Application Synthetics license, PID TE-EMBEDDED-T, at no extra charge for the same term as the subscription. This applies to 3-year, 5-year and 7-year terms. Essentials subscriptions do not carry it.
What are the default Access SDM template limits on C9300-48U-A?
The default Access template on C9300-48U-A allows 4094 VLANs, 32,768 unicast MAC entries and 24,576 directly connected routes. It also allows 8,192 indirect routes and 1,024 PBR ACEs. IPv6 entries take two slots each. Check the active template with the show sdm prefer command after any change.
Does C9300-48U-A keep PoE running during a reload?
Yes, with Perpetual PoE. It holds power to the powered devices through a soft reload such as an upgrade, a crash or a manual reboot, and across a stack. It does not cover power loss. Fast PoE restores power in under 30 seconds from stored power and requires the perpetual-poe-ha setting on the port.
Can C9300-48U-A sit in a stack with Catalyst 9300X switches?
Yes. A mixed stack of C9300-48U-A and Catalyst 9300X members runs StackWise-480 at 480 Gbps. All members must run the same IOS XE release and the same license tier, and a stack holds up to 8 members. Per the Catalyst 9300 datasheet, StackWise-1T applies only to 9300X-only stacks.
What can be plugged into the USB ports of C9300-48U-A?
The front USB Type A port is USB 3.0 at 5V and 900 mA and accepts Cisco USB flash drives. A USB mini-Type B console port sits beside the RJ-45 console. The rear panel has a USB 3.0 SSD slot for a 120/240 GB module, which you install for app hosting storage.

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C9300-48U-A – 48x1G UPOE Ports – Modular Uplink – 822W PoE Budget – Network Advantage

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C9300-48U-A Description

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Key Features

Application Scenarios

Product Comparison

PoE Power Planning

Ordering Checklist

Optional Add-ons

C9300-48U-A Switch Rear Panel

Components Delivered in the Shipping Box

Specifications

Quality Certifications

Customer Reviews

Questions & Answers

Can C9300-48U-A be stacked?

Does C9300-48U-A support BGP?

How much power does a device receive from a Cisco UPOE port on C9300-48U-A?

How many C9300-48U-A switches can share power in a StackPower ring?

Can C9300-48U-A use the PWR-C1-1900WAC-P power supply?

Does a C9300-DNA-A-48-5Y term for C9300-48U-A include ThousandEyes?

What are the default Access SDM template limits on C9300-48U-A?

Does C9300-48U-A keep PoE running during a reload?

Can C9300-48U-A sit in a stack with Catalyst 9300X switches?

What can be plugged into the USB ports of C9300-48U-A?

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