• Cisco C9300LM-24U-4Y-A switch with silver body, black ports, blue accent
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Cisco

Cisco C9300LM-24U-4Y-A | Catalyst 9300LM 24-Port UPoE Switch, 420W, 4x 25G, Network Advantage

C9300LM-24U-4Y-A

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Description

The Catalyst 9300LM is a fixed-uplink, stackable enterprise access switch for campus and branch networks where UPOE-powered endpoints need 1G access ports backed by high-speed uplinks. It suits wireless access points, IP phones, cameras, IoT and building devices, and works well as an SD-Access fabric edge or in hybrid and cloud-managed deployments.

This model provides 24 x 1G ports (1G/100M/10M) with Cisco UPOE at up to 60W per port, plus 4 x 25G fixed SFP28 uplinks. The default 600W AC power supply gives 420W of available PoE, and the optional 1000W AC supply raises that to 820W. Switching capacity is 248 Gbps standalone and 568 Gbps when stacked, with a forwarding rate of 184.51 Mpps standalone. It carries 8 GB DRAM and 16 GB flash, and runs Cisco IOS XE with the Network Advantage licence tier, adding advanced routing such as BGP, EIGRP and IS-IS, plus MPLS, VRF and segmentation features.

StackWise-320 stacking supports up to 8 members and works only with other Catalyst 9300L and 9300LM models at the same licence level, using the optional C9300L-STACK-KIT2. The switch can be managed through Cisco Catalyst Center or the Meraki dashboard.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Cisco UPOE (60W per port) and IEEE 802.3bt Type 3 support, with Perpetual PoE and Fast PoE
- Cisco IOS XE with model-driven programmability (NETCONF, RESTCONF, gNMI, YANG) and streaming telemetry
- Container-based application hosting with an x86 CPU complex and external USB 3.0 SSD slot
- Cisco SD-Access foundation with policy-based automation and segmentation (VRF, VXLAN, LISP, TrustSec)
- MACsec-256 and MACsec-128 link encryption, plus Trust Anchor secure boot and image signing
- Hardware-based Flexible NetFlow, NBAR2 application visibility and PTP (IEEE 1588v2)
- Management through Cisco Catalyst Center, Meraki dashboard, WebUI, CLI and SNMP
- NSF/SSO resiliency, extended fast software upgrade and cross-stack EtherChannel

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Manual

Technical Specifications

- Downlink ports: 24 x 1G (1G/100M/10M) with Cisco UPOE (60W per port)
- Uplinks: 4 x 25G fixed SFP28
- Licence tier: Network Advantage
- Default power supply: PWR-C6-600WAC (600W AC)
- Upgrade power supply: PWR-C6-1KWAC (1000W AC)
- Available PoE budget: 420W with default 600W PSU, 820W with 1000W PSU
- Available PoE with a second PSU: 1020W (600W AC), 1135W (715W DC), 1420W (1000W AC)
- Switching capacity: 248 Gbps standalone, 568 Gbps with stacking
- Forwarding rate: 184.51 Mpps standalone, 422.59 Mpps with stacking
- Stacking: StackWise-320, up to 8 members, via optional C9300L-STACK-KIT2
- Memory: 8 GB DRAM, 16 GB flash
- MAC addresses: 32,000
- IPv4 routes: 32,000
- IPv6 routing entries: 16,000
- Packet buffer: 16 MB
- VLAN IDs: 4094
- Jumbo frames: 9198 bytes
- Form factor: 1RU
- Dimensions (H x W x D): 4.3 x 44.4 x 33.1 cm chassis only
- Weight: 5.21 kg with default power supply
- Operating temperature: -5 to 45 C up to 1500 m
- Storage temperature: -40 to 70 C
- Relative humidity: 5% to 90% non-condensing
- MTBF: 357,350 hours

FAQs

Q: Which licence tier does this SKU include?
A: The -A suffix means the Network Advantage perpetual licence is included. A Cisco Catalyst or DNA subscription at the matching Essentials or Advantage tier is ordered separately, and Smart Licensing is supported.

Q: How much PoE power is available?
A: With the default PWR-C6-600WAC power supply the switch provides 420W of PoE. The optional PWR-C6-1KWAC raises this to 820W, and adding a second power supply lifts the budget further, up to 1420W with a 1000W AC secondary supply.

Q: What can it be stacked with?
A: It stacks over StackWise-320, up to 8 members, with other Catalyst 9300L and 9300LM models at the same licence level. It does not stack with modular-uplink C9300 or C9300X models, and it needs the optional C9300L-STACK-KIT2.

Q: Can the 4x 25G uplinks take other optics?
A: The fixed SFP28 uplinks accept Cisco SFP28, SFP+ and SFP optics. Check Cisco's transceiver compatibility matrix for the exact part numbers.

Q: Does it use the same power supplies as other Catalyst 9300 models?
A: No. The C9300LM uses PWR-C6 series power supplies, which differ from those used by the C9300, C9300X and C9300L. StackPower is not supported on this model.

Datasheet

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Manual

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