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C9800-L-C-K9 – Wireless Controller
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Packaging weight and dimensions included:
| Weight | 3 kg |
|---|---|
| Dimensions | 40 × 30 × 12 cm |
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C9800-L-C-K9 Description
Cisco C9800-L-C-K9 (Catalyst 9800-L Compact Wireless LAN Controller, Copper variant) delivers enterprise-class, always-on wireless with Cisco IOS-XE, policy-rich automation, and seamless software upgrades. As a fixed-form controller with 4×1G copper data ports plus dedicated management and console interfaces, C9800-L-C-K9 suits small-to-mid campus cores, distributed branches, and hospitality venues needing secure, resilient WLAN at scale. The controller supports modern Cisco Wi-Fi 6 access points, advanced RF automation, identity-based policies, Flexible Radio Assignment, and full stack telemetry. Pair it with DNA Center for assurance, automation, and analytics, or deploy in SSO with a peer 9800-L for nonstop operations.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Model |
Cisco Catalyst 9800-L-C-K9 |
|
Max Access Points |
250 (500 with Performance license) |
|
Max Clients |
5,000 (10,000 with Performance license) |
|
Throughput |
5 Gbps (10 Gbps with Performance license) |
|
Max WLANs |
4,096 |
|
Max VLANs |
4,096 |
|
Fixed Uplinks |
2× 10G/Multigigabit copper |
|
Additional Data Ports |
4× 2.5G/1G copper |
|
Power Supply |
110W, 12V DC, external AC/DC adapter |
|
Max Power Consumption |
86.9W (with 4.5W USB load) |
Key Features
Always-on resiliency and nonstop upgrades
In-service software upgrade and stateful switchover (SSO) minimize downtime and deliver carrier-grade reliability.
Policy-rich segmentation and security
Identity-based access, adaptive policy, Trust Anchor/secure boot, and macro/micro-segmentation for zero-trust WLAN.
Intelligent RF and performance optimization
Dynamic channel/power, advanced RRM, and application visibility (AVC) to stabilize airtime and boost QoE.
Automation & assurance at scale
Integrates with Cisco DNA Center for intent-based automation, AI-driven insights, and proactive health monitoring.
Flexible deployment models
Supports centralized/campus, SD-Branch, and distributed sites; N+1 backup and SSO for high availability.
Modern AP and standard support
Works with Cisco Wi-Fi 6 (802.11ax) APs, WPA3, 802.1X, and contemporary roaming/fast-secure mobility features.
Applications Scenarios
Multi-building campuses and schools
Centralized control for dozens to hundreds of APs with straightforward copper uplinks to core/access switches.
Hotels, retail chains, healthcare clinics
Consistent guest/patient Wi-Fi with identity-based policy and dependable SSO failover.
Distributed branches of enterprises
Controller at HQ or regional site with N+1 backup, managed via DNA Center for unified automation and assurance.
C9800-L-C-K9 Front View
|
Label |
Description |
|
1 |
Service port LED |
|
2 |
Redundancy port LED |
|
3 |
Service Port (SP) (RJ-45) for out-of-band management |
|
4 |
Redundancy port |
|
5 |
RJ-45 console port |
|
6 |
Micro-B USB console |
|
7 |
USB 3.0 port |
|
8 |
2x 10G/Multigigabit copper |
|
9-12 |
Quad RJ-45 2.5G/1G Multigigabit Ethernet ports |
|
13 |
Reset button |
|
14 |
System LED |
|
15 |
Alarm LED |
|
16 |
High availability LED |
Product Comparison
|
Parameter |
C9800-L-C-K9 |
C9800-L-F-K9 |
C9800-40-K9 |
|---|---|---|---|
|
Form factor |
Fixed, compact |
Fixed, compact |
1RU chassis |
|
Data ports |
4×1G RJ-45 copper |
4×1G SFP fiber |
Multiple 10G/1G |
|
Mgmt/Console |
RJ-45 mgmt, RJ-45 console, USB 3.0 |
RJ-45 mgmt, RJ-45 console, USB 3.0 |
RJ-45 mgmt, RJ-45 console, USB |
|
Max APs |
up to 250 |
up to 250 |
up to 2,000 |
|
Max clients |
up to 5,000 |
up to 5,000 |
up to 32,000 |
|
Throughput |
up to 5 Gbps |
up to 5 Gbps |
up to 40 Gbps |
|
HA options |
SSO with peer 9800-L; N+1 |
SSO with peer 9800-L; N+1 |
SSO with peer 9800-40; N+1 |
|
OS |
IOS-XE (Catalyst 9800) |
IOS-XE (Catalyst 9800) |
IOS-XE (Catalyst 9800) |
|
AP gen support |
802.11ac Wave 2 / 802.11ax |
802.11ac Wave 2 / 802.11ax |
802.11ac Wave 2 / 802.11ax |
|
Typical use |
Copper uplinks campus/branch |
Fiber uplinks or long runs |
Large campus core / aggregation |
|
Power |
Internal AC |
Internal AC |
Dual/higher capacity AC |
|
Mounting |
Rack/desk |
Rack/desk |
19″ rack, 1RU |
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Model | Cisco Catalyst C9800-L-C-K9 | Form Factor | Fixed, compact wireless LAN controller |
| Operating System | Cisco IOS-XE (Catalyst 9800 WLC) | Throughput | Up to 5 Gbps data plane |
| Max Access Points | Up to 250 | Max Clients | Up to 5,000 |
| Data Interfaces | 4× 10/100/1000 RJ-45 (copper) | Management | 1× RJ-45 mgmt, 1× RJ-45 console, 1× USB 3.0 |
| Redundancy | SSO with peer 9800-L; N+1 | High Availability | Stateful switchover, nonstop forwarding |
| AP Support | 802.11ac Wave 2, 802.11ax (Wi-Fi 6) | Security | WPA3, 802.1X, Trust Anchor, secure boot |
| Policy/Segmentation | Identity-based, macro/micro-segmentation | Telemetry | Streaming telemetry, analytics/assurance |
| Automation | DNA Center integration (intent/assurance) | QoS/AVC | Application visibility & control |
| Licensing | Network Essentials/Advantage + DNA tiers | Mounting | Rack/desk |
| Power | Internal AC, 100–240V, 50/60Hz | Cooling | Fixed internal fan (platform) |
| Management Tools | CLI, Web UI, NETCONF/RESTCONF, SNMP | SW Upgrades | ISSU/nonstop upgrades (where supported) |
| Regulatory | Enterprise WLC compliance (regional) | Warranty | Cisco hardware warranty (region-specific) |
Get More Information
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Quality Certifications
Customer Reviews
Questions & Answers
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What defines the Cisco C9800-L-C-K9 compared with C9800-L-F-K9?
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Is C9800-L-C-K9 suitable for branches with a few dozen APs?
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Does it support HA/SSO?
-
What about Wi-Fi 6/6E and WPA3?
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How is it managed?
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Can I run fabric-enabled wireless?
-
What telemetry aids troubleshooting?
-
Any licensing considerations?
-
Security hardening tips?
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Migration path from Mobility Express?
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I bypassed the compressor… and connected the APs. Signal is strong.
We need speed and agility. This controller handles Wi-Fi 6 perfectly.
Migrated from 5508s. The C9800-L is powerful. Copper ports were what we needed for our existing patch panel.
Good price on the controller. Shipping was fast.