C9300L-48UXG-2Q-A – 12x10G mGig + 36x1G UPOE Ports – 2x40G QSFP+ Uplinks – 675W PoE Budget

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C9300L-48UXG-2Q-A Description

The C9300L-48UXG-2Q-A is a Cisco Catalyst 9300L fixed-uplink stackable UPOE switch for wiring closets that serve multigigabit Wi-Fi access points. The switch has 12 mGig ports at up to 10G, 36 Gigabit copper ports, two fixed 40G QSFP+ uplinks and 472 Gbps of switching capacity, and the default 1100W supply provides 675W of PoE. Catalyst 9300L switches do not support StackPower, so each stack member keeps its own power budget.

Quick Specs

Parameter

Specification

Product ID

C9300L-48UXG-2Q-A

Product type

Fixed-uplink stackable mGig UPOE access switch

Downlink ports

12 x mGig (100M/1G/2.5G/5G/10G) + 36 x 10M/100M/1G copper ports

Uplink ports

2 x 40G QSFP+ fixed uplink ports

Network license

Network Advantage

Default power supply

PWR-C1-1100WAC-P

Default PoE budget

675W

Expanded PoE budget

1775W with supported secondary power supply configuration

Stacking architecture

StackWise-320

Breakout support

C9300L-48UXG-2Q-A breakout support introduced in Cisco IOS XE Gibraltar 16.12.2

Switching capacity

472 Gbps standalone; 792 Gbps with stacking

Forwarding rate

351.19 Mpps standalone; 589.28 Mpps with stacking

Product Performance

Mixed 10G mGig and 1G UPOE access
Standalone switching capacity
Standalone forwarding rate

Key Features

Multigigabit Ports For Wi-Fi Uplinks

Twelve ports run at 100M, 1G, 2.5G, 5G or 10G and the other 36 at 10M, 100M or 1G. Cat5e carries up to 5G, while 10G needs Cat6 up to 55 m or Cat6A up to 100 m.

Two Fixed 40G QSFP+ Uplinks

The 40G QSFP+ uplinks are built into the chassis, so uplink speed is set by the optics or cables installed rather than by a network module.

PoE Budget Up To 1775W

The default 1100W supply gives 675W of PoE. A second 350W, 715W or 1100W supply raises the budget to 1025W, 1390W or 1775W.

UPOE Type 3 At 60W Per Port

The switch operates as an IEEE 802.3bt Type 3 device. Delivering 60W UPOE on up to 30 of the 48 ports takes two PWR-C1-1100WAC-P supplies.

Network Advantage Feature Scope

Network Advantage adds BGP, VRF, VXLAN, MPLS, NETCONF/RESTCONF and MACsec-256 to the Layer 2 and limited OSPF routing in Network Essentials.

StackWise-320 Without StackPower

Up to eight Catalyst 9300L or 9300LM units on one license tier stack at 320 Gbps. StackPower is not supported, so power is planned switch by switch.

Application Scenarios

High-Speed Wi-Fi Access Floor

On an office or campus floor with Wi-Fi access points that need 2.5G, 5G or 10G links, the 12 mGig ports connect the access points and supply their power over UPOE.

Closet With 40G Aggregation

In a wiring closet whose distribution layer offers 40G ports, the two QSFP+ uplinks carry the closet traffic upstream without a separate uplink module.

High-Power PoE Edge

Where endpoints draw up to 60W per port, the switch supplies Cisco UPOE Type 3 power to them from the 1100W supplies in its two power supply bays.

Product Comparison

Parameter

C9300L-48UXG-2Q-A

C9300L-48UXG-2Q-E

C9300L-48UXG-4X-A

C9300L-24UXG-2Q-A

Total 10/100/1000, Multigigabit copper or SFP fiber

12 x mGig (100M/1G/2.5G/5G/10G) + 36 x 10M/100M/1G

12 x mGig (100M/1G/2.5G/5G/10G) + 36 x 10M/100M/1G

12 x mGig (100M/1G/2.5G/5G/10G) + 36 x 10M/100M/1G

8 x mGig (100M/1G/2.5G/5G/10G) + 16 x 10M/100M/1G

Default AC power supply

PWR-C1-1100WAC-P

PWR-C1-1100WAC-P

PWR-C1-1100WAC-P

PWR-C1-1100WAC-P

Available PoE (default power supply)

675W

675W

675W

722W

Maximum PoE with secondary power supply

1775W with 1100W secondary PS

1775W with 1100W secondary PS

1775W with 1100W secondary PS

1440W with 715W or 1100W secondary PS

Uplink configuration

2 x 40G QSFP+ fixed

2 x 40G QSFP+ fixed

4 x 10G/1G SFP+ fixed

2 x 40G QSFP+ fixed

Network license

Network Advantage

Network Essentials

Network Advantage

Network Advantage

Stack bandwidth

320 Gbps (StackWise-320)

320 Gbps (StackWise-320)

320 Gbps (StackWise-320)

320 Gbps (StackWise-320)

Switching capacity

472 Gbps

472 Gbps

392 Gbps

352 Gbps

Switching capacity with stacking

792 Gbps

792 Gbps

712 Gbps

672 Gbps

C9300L-48UXG-2Q-A and C9300L-48UXG-4X-A share the 12 mGig plus 36 1G UPOE access ports and 675W of default PoE, but C9300L-48UXG-2Q-A has two fixed 40G QSFP+ uplinks and 472 Gbps of switching, against four 10G/1G SFP+ uplinks and 392 Gbps on C9300L-48UXG-4X-A, so 40G aggregation points to the 2Q model and SFP+ optics to the 4X model. Closets with only 8 mGig and 16 1G ports move to C9300L-24UXG-2Q-A, which has a 722W default budget. Network Essentials hardware with the same ports is C9300L-48UXG-2Q-E; all members of one stack must run the same license tier.

PoE Power Planning

Planning Item

Cisco Confirmed Value

Order Impact

UPOE model class

C9300L-48UXG-2Q-A is listed as a UPOE Type 3 switch when 802.3bt mode is enabled

Match powered endpoints to the 60W Type 3 class instead of a PoE+ access model

Default PoE budget

675W with PWR-C1-1100WAC-P as the primary power supply

Size endpoint power demand against the default switch budget before quote approval

Secondary power planning

Cisco lists higher PoE values when secondary power supplies are added

Confirm redundancy and total endpoint draw before adding extra power supplies

StackPower boundary

Cisco notes that Catalyst 9300L Series switches do not support StackPower

Plan power per switch rather than as a StackPower pool

Ordering Checklist

  • Subscription term: Order C9300L-DNA-A-48-3Y, -5Y or -7Y for a Network Advantage switch. The configurator defaults to Cisco DNA Advantage for 5 years, and the term must be the same tier as the switch.
  • Second power supply: The default is PWR-C1-1100WAC-P; adding a 350W, 715W or 1100W second supply raises available PoE from 675W to 1025W, 1390W or 1775W. The 675W default budget limits the powered endpoints a single supply can serve.
  • Stacking kit: C9300L-STACK-KIT is added by default with a 50 cm cable (50CM, 1M or 3M); C9300L-STACK-KIT2 is the alternative kit. The two kits use different cable families, and a switch ordered without the kit cannot join a StackWise-320 stack.
  • Power cords: Select the cord type for the destination country; North America is the default. Two cords ship with the switch, and the default does not match other countries.

Optional Add-ons

Model

Description

PWR-C1-1100WAC-P=

1100WAC Platinum-rated power supply spare

C9300L-STACK-KIT

Stack kit for C9300L SKUs with two stack adapters and one stack cable

C9300L-STACK-KIT2

Stack Kit 2 for C9300L SKUs with two stack adapters and one stack cable

STACK-T3-50CM

50 cm Type 3 stacking cable for C9300L Stack Kit builds

STACK-T3-1M

1 m Type 3 stacking cable for C9300L Stack Kit builds

STACK-T3-3M

3 m Type 3 stacking cable for C9300L Stack Kit builds

STACK-T3A-50CM

50 cm Type 3A stacking cable for C9300L Stack Kit2 builds

STACK-T3A-1M

1 m Type 3A stacking cable for C9300L Stack Kit2 builds

STACK-T3A-3M

3 m Type 3A stacking cable for C9300L Stack Kit2 builds

C9300L-DNA-A-48-3Y

C9300L Cisco DNA Advantage 48-port 3-year term license

C9300L-DNA-A-48-5Y

C9300L Cisco DNA Advantage 48-port 5-year term license

C9300L-DNA-A-48-7Y

C9300L Cisco DNA Advantage 48-port 7-year term license

Specifications

Parameter Specification Parameter Specification
Product ID C9300L-48UXG-2Q-A Product type Fixed-uplink stackable mGig UPOE access switch
Network license Network Advantage Downlink ports 12 x mGig plus 36 x 1G copper ports
MGig port speeds 100M, 1G, 2.5G, 5G, and 10G GbE port speeds 10M, 100M, and 1G
Uplink ports 2 x 40G QSFP+ fixed uplink ports Uplink comparison 2Q profile uses QSFP+ instead of 4X SFP+
PoE standards Cisco UPOE Type 3 support on C9300L-48UXG-2Q-A Default PoE budget 675W
Default power supply PWR-C1-1100WAC-P Power supply role Default primary power supply
Stacking architecture StackWise-320 Stack kit options C9300L-STACK-KIT or C9300L-STACK-KIT2
StackPower support Catalyst 9300L Series switches do not support StackPower Breakout interface release Cisco IOS XE Gibraltar 16.12.2 for C9300L-48UXG-2Q-A
Switching capacity 472 Gbps standalone Switching capacity with stacking 792 Gbps
Forwarding rate 351.19 Mpps standalone Forwarding rate with stacking 589.28 Mpps
Weight 7.65 kg (16.86 lb) with default power supply Mean time between failures 275,010 hours

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Questions & Answers

  • Which IOS XE release does C9300L-48UXG-2Q-A need at minimum?

    C9300L-48UXG-2Q-A needs IOS XE 16.12.2 or later. The 16.11.1b datasheet baseline and the 16.11.1c introductory release apply to the data-only and PoE C9300L models, not to the mGig UPOE UXG models. All members of a stack must run the same IOS XE release and license.
  • What address and routing limits apply to C9300L-48UXG-2Q-A?

    C9300L-48UXG-2Q-A supports 32K MAC addresses and 8K indirect IPv4 routes, and a design must stay within them. Other limits are VLAN IDs 4,094 (SVIs 1,000), 5,120 ACL and QoS entries, 8K IGMP groups and 8K mroutes. Direct and host routes total 24K.
  • Can C9300L-48UXG-2Q-A run VXLAN BGP EVPN?

    Yes, under Network Advantage, from IOS XE 16.12. The switch works as a VTEP or leaf only. It supports bridging and routing, an anycast gateway, ingress replication or multicast for BUM traffic, and border handoff with VRF-Lite and Layer 2 or Layer 3 VPN. Network Essentials does not offer this.
  • How is the StackWise-320 bandwidth of C9300L-48UXG-2Q-A built up?

    StackWise-320 uses four rings of 40 Gbps, which gives 160G in each direction. A stack holds up to eight members, mixed only with other 9300L or 9300LM models. Every member needs the same license tier and IOS XE release, so a C9300L-48UXG-2Q-E member cannot join a Network Advantage stack.
  • What fan and airflow design does C9300L-48UXG-2Q-A use?

    The fan module of C9300L-48UXG-2Q-A is field-replaceable and holds three fans in N+1 redundancy. Airflow runs front-to-rear and side-to-rear. A single failed fan does not force the switch offline, and the module can be swapped in the closet without replacing the chassis or its power supplies.
  • Which second power supplies does C9300L-48UXG-2Q-A accept besides the 1100W unit?

    Besides a second 1100W AC supply, it accepts 350W AC, 715W AC and 715W DC units. A 1900W supply is not listed for the 9300L. The AC supplies are Platinum-rated at 90% efficiency and the DC unit is Gold-rated. Two supplies run in N+1 redundancy.
  • Which console and storage ports does C9300L-48UXG-2Q-A provide?

    C9300L-48UXG-2Q-A has a USB Type A port (USB 3.0, 5V, 900 mA), a USB mini-Type B console and an RJ-45 console. A USB 3.0 SSD slot on the rear panel takes a 120/240 GB drive. A passive RFID tag is built in, and the USB Type C port is not part of the 9300L.

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  • C9300L-48UXG-2Q-A Datasheet

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