• Cisco Catalyst 9300 C9300-48UB-A 48-port UPOE switch black silver
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Cisco

Cisco C9300-48UB-A | Catalyst 9300 48-Port UPOE Deep Buffer, Network Advantage

C9300-48UB-A

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Description

The Catalyst 9300 C9300-48UB-A is a stackable enterprise access switch with 48 x 10/100/1000 copper ports, each supporting Cisco UPOE at up to 60W. It suits campus and branch access layers where high-power endpoints such as IP phones, wireless access points, IoT devices, thin clients and building systems are common. As a higher-scale (deep buffer) model, it is also well matched to multimedia and lossless content delivery, large routing tables and SD-Access fabric deployments.

The higher-scale design provides a 32 MB packet buffer, 64,000 MAC addresses, 112,000 IPv4 routes, 56,000 IPv6 routing entries and 18,000 ACL and QoS entries. Switching capacity is 256 Gbps standalone and 736 Gbps with stacking, with forwarding rates of 190.48 Mpps and 547.62 Mpps respectively. Uplinks are modular, using C9300 network modules for 1G, 10G, 25G, 40G or Multigigabit connectivity. The default 1100W AC supply provides 822W of available PoE, rising to 1800W with a second supply. The unit carries the Network Advantage perpetual licence, which adds BGP, EIGRP, IS-IS, VRF, VXLAN, LISP, TrustSec and MPLS.

StackWise-480 supports up to 8 members and StackPower allows power sharing across the stack. Higher-scale models stack only with other higher-scale C9300-xxUB or UXB switches, and stack members must run the same licence level.

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

Features

- Higher-scale deep buffer design for multimedia delivery and large routing tables
- Cisco UPOE delivering up to 60W per port, with Perpetual PoE and Fast PoE
- StackWise-480 stacking and StackPower power sharing
- Cisco IOS XE with NETCONF, RESTCONF, gNMI, YANG programmability and streaming telemetry
- SD-Access foundation with segmentation, group-based policy and Catalyst Center automation
- AES-256 MACsec encryption, Secure Boot and Trust Anchor module
- Network Advantage routing: BGP, EIGRP, IS-IS, VRF, VXLAN, LISP, TrustSec and MPLS
- Flexible NetFlow, NBAR2 application visibility, AVB and PTP
- USB 3.0 SSD slot and x86 CPU for container-based app hosting

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: 48 x 10/100/1000 with Cisco UPOE (60W per port)
- Uplinks: Modular, C9300 network modules (C9300-NM-4G, 4M, 8X, 2Q, 2Y)
- Packet buffer: 32 MB (higher-scale model)
- Switching capacity: 256 Gbps standalone, 736 Gbps with stacking
- Forwarding rate: 190.48 Mpps standalone, 547.62 Mpps with stacking
- Stacking: StackWise-480 (480 Gbps), up to 8 members
- StackPower: Supported
- Default power supply: 1100W AC (PWR-C1-1100WAC-P)
- Available PoE: 822W with default supply, up to 1800W with a second supply
- DRAM / flash: 8 GB / 16 GB
- MAC addresses: 64,000
- IPv4 routes: 112,000 (48,000 direct, 64,000 indirect)
- IPv6 routing entries: 56,000
- ACL and QoS scale: 18,000 entries each
- Flexible NetFlow: 128,000 flows
- VLAN IDs: 4094; jumbo frames: 9198 bytes
- Dimensions with default power supply: 4.4 x 44.5 x 48.8 cm (1.73 x 17.5 x 19.2 in)
- Weight with default power supply: 7.72 kg (17.03 lb)
- Operating temperature: -5 to 45 C up to 1500 m, -5 to 40 C up to 3000 m
- Relative humidity: 5% to 90% non-condensing

FAQs

Q: Which licence does the C9300-48UB-A use?
A: The -A suffix means it ships with the Network Advantage perpetual licence. A Catalyst or Cisco DNA subscription at the matching tier is also required on new orders, and Network Advantage requires DNA Advantage.

Q: How much PoE budget does it provide?
A: With the default 1100W AC supply, available PoE is 822W. Adding a second supply raises this, up to 1800W with a second 1100W or 1900W unit. Each port supports Cisco UPOE at up to 60W.

Q: Which uplink modules does it support?
A: It takes C9300 network modules: C9300-NM-4G, C9300-NM-4M, C9300-NM-8X, C9300-NM-2Q and C9300-NM-2Y. C9300X network modules are not supported.

Q: Can it be stacked with standard Catalyst 9300 switches?
A: No. Higher-scale C9300-xxUB and UXB models stack only with other higher-scale models over StackWise-480, and all stack members must run the same licence level.

Q: How does it differ from the standard C9300-48U?
A: This is the higher-scale deep buffer model, with a 32 MB packet buffer and larger routing, ACL, QoS and NetFlow scale. It also carries the Network Advantage licence rather than Network Essentials.

Datasheet

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Manual

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