Grandstream GCC6020 – GCC6021 Series

Unified Communications and Networking Solutions

Introduction

The GCC6020 series is a powerful, multifunctional solution that significantly enhances communication by integrating unified communications and network management into a single platform. These advanced devices offer the functionality of four products in one: a VPN router, an advanced firewall, an IP PBX, and a network switch. With the GCC series, businesses can create wired, wireless, and VPN networks, manage them, provide business-class network security, and leverage a leading platform for communication and collaboration. These flexible devices enable unified management and centralized control of all Grandstream endpoints, including Wi-Fi access points, network switches, IP phones, and more. The GCC models are designed for ease of use, allowing for full configuration of unified communication, networking, and security features in minutes. Management can be done via the Grandstream Device Management System (GDMS) cloud, a mobile app, a local web interface, command-line interface, or SSH console. This makes it an ideal solution for small to medium businesses, serving as a comprehensive platform with security, communication, and collaboration features, as well as business data management, significantly simplifying and accelerating the creation of modern, affordable communication solutions.

Key Features

Integrated IP PBX: Enables voice and video communication with advanced collaboration features.
Business-Class Firewall: Offers antivirus protection, Layer 3-7 IDS/IPS, SSL detection, and more.
Built-in VPN Router: Supports 6.5 Gbps or 10 Gbps connections for secure remote access to private networks.
Gigabit Ports: Provides Gigabit ports (4 or 16) for network traffic switching, with 5 or 24 PoE output ports. Both models include 2.5- and 10-gigabit SFP+ ports.
High Availability: Features improved reliability with support for failover mode.
Centralized Management: Simplifies configuration, deployment, and management of all Grandstream endpoints from a single location.
Advanced Security: Includes features like traffic encryption, secure boot, unique security certificates, and more.
Versatile Management: Supports cloud management (GDMS), mobile app, local web interface, SSH, SNMP, and command-line interface.
Multi-WAN: Multiple WAN ports with load balancing and failover capabilities for maximum connection reliability.

Technical Specifications

Feature	GCC6020	GCC6021
Network Ports	One 10-gigabit SFP+ port, one 2.5-gigabit port, and four Gigabit Ethernet ports. All ports can be assigned to WAN/LAN networks, with a maximum of three WAN ports.	Four 10-gigabit SFP+ ports, eight 2.5-gigabit ports, and sixteen Gigabit Ethernet ports. All ports can be assigned to WAN/LAN networks, with a maximum of five WAN ports.
Auxiliary Ports	One CONSOLE port, one USB 3.0 port	One CONSOLE port, one USB 3.0 port, two HA ports, and one MGMT port
Memory	4 GB RAM, 32 GB eMMC	4 GB DDR4 RAM + 256 MB DDR3 RAM, 32 GB eMMC, 128 MB NAND
M.2 SSD	-	10 Gb/s
Router	6.5 Gb/s	1.3 Gb/s
NAT Sessions	320K	320K
NGFW Throughput (DPI + IPS)	6 Gb/s	9 Gb/s
PBX	50 users and 16 concurrent calls by default. Upgrades available for purchase.	50 users and 16 concurrent calls by default. Upgrades available for purchase.
Mounting	Desktop, Wall, and Rackmount	Desktop and Rackmount
Material	Metal	Metal
LED Indicators	24 port LEDs (Green/Yellow) for Ethernet/PoE output ports, four SFP+ LEDs, two HA LEDs, one device tracking/status LED (R/G/B), one power LED, one redundant power supply LED.	One SFP+ LED, five port LEDs (Green) for Ethernet, five port LEDs (Yellow) for PoE output, one device tracking/status LED (R/G/B), one power LED, one redundant power supply LED.
Connection Type	DHCP, Static IP, PPPOE	DHCP, Static IP, PPPOE
Network Protocols	IPv4, IPv6, IEEE802.1q, IEEE 802.1p, IEEE802.1x, IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE802.3ab	IPv4, IPv6, IEEE802.1q, IEEE 802.1p, IEEE802.1x, IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE802.3ab
QoS	VLAN, TOS. Supports multi-class traffic, port/IP/DSCP filtering, application QoS for monitoring traffic and prioritizing VoIP.	VLAN, TOS. Supports multi-class traffic, port/IP/DSCP filtering, application QoS for monitoring traffic and prioritizing VoIP.
Firewall	Filters by destination, protocol, and port. Stateful packet inspection, DoS attack protection, anti-spoofing, traffic rules, NAT. DPI, antivirus, IPS/IDS, SSL proxy. Content control: DNS filtering, URL/class/keyword filtering, application identification and control. Email security, Geo-IP filtering.	Filters by destination, protocol, and port. Stateful packet inspection, DoS attack protection, anti-spoofing, traffic rules, NAT. DPI, antivirus, IPS/IDS, SSL proxy. Content control: DNS filtering, URL/class/keyword filtering, application identification and control. Email security, Geo-IP filtering.
VPN	Site-to-Site/Site-to-Client IPsec VPN. IPSec encryption (3DES, AES), authentication (MD5, SHA-1, SHA2-256), key exchange (Main/Aggressive, Preshared Key, DH groups 1/2/5/14), NAT traversal. PPTP/L2TP client/server, OpenVPN® client/server, WireGuard®.	Site-to-Site/Site-to-Client IPsec VPN. IPSec encryption (3DES, AES), authentication (MD5, SHA-1, SHA2-256), key exchange (Main/Aggressive, Preshared Key, DH groups 1/2/5/14), NAT traversal. PPTP/L2TP client/server, OpenVPN® client/server, WireGuard®.
Network Management	Grandstream Device Management System (GDMS), GWN application, local web interface, SSH, SNMP (v1/v2c/v3), command-line interface.	Grandstream Device Management System (GDMS), GWN application, local web interface, SSH, SNMP (v1/v2c/v3), command-line interface.
Max APs / Clients	Up to 300 GWN Access Points, up to 500 clients.	Up to 300 GWN Access Points, up to 1000 clients.
Performance & Energy Efficiency	Includes universal power adapter (100-240V AC, 50-60Hz). Output: 54V DC 2.8A (150W). Five PoE output ports supporting IEEE802.3af/at. Max PoE power: 120W. RPS input: 54V DC / 2.8A.	Includes universal power adapter (100-240V AC, 50-60Hz). Output: 54V DC 7.8A (420W). Eight PoE output ports supporting IEEE 802.3af/at/bt, 16 PoE output ports supporting IEEE 802.3af/at. Max PoE power: 370W. RPS input: 54V DC / 7.8A.
Environment	Operating: 0°C to 45°C. Storage: -10°C to 60°C. Humidity: 5% to 95% non-condensing.	Operating: 0°C to 45°C. Storage: -10°C to 60°C. Humidity: 5% to 95% non-condensing.
Physical Dimensions	Unit: 280 x 185.5 x 44 mm. Unit Weight: 1.5 kg. Package: 384 x 209.5 x 60 mm. Gross Weight: 2.1 kg.	Unit: 440 x 301.5 x 44 mm. Unit Weight: 4.2 kg. Package: 557 x 413 x 138 mm. Package Weight: 5.6 kg.
Package Contents	GCC6020/GCC6021, universal power adapter, rack mounting kit, quick start guide.	GCC6020/GCC6021, universal power adapter, rack mounting kit, quick start guide.
Compliance	FCC, CE, RCM, IC	FCC, CE, RCM, IC

Features and Benefits

Router VPN

Secure connectivity for multiple WANs and network support.
Dynamic routing and multi-WAN support.
NAT, VLAN, WAN selection based on performance and link monitoring.
WAN load balancing and failover.
Hardware acceleration and firewall.
DHCP server, DNS server, IGMP proxy, TURN server.
IPv4/IPv6 support.
Fast VPN connectivity.
WireGuard: secure remote access, site-to-site.
OpenVPN®: clients and servers.
PPTP: clients and servers.
L2TP.
IPSec: site-to-site, client-to-site.
Remote user management.

Advanced QoS

VLAN, TOS.
Multi-class traffic, port/IP/DSCP filtering, and policy-based QoS.
Application QoS: application/protocol monitoring and traffic statistics.
Prioritization of VoIP calls.

Firewall

Filtering by destination, protocol, and port.
Stateful packet inspection.
DoS attack protection (UDP / ICMP / SYN flood).
Enhanced anti-spoofing protection.
For firewall plans, visit: https://cloud.grandstream.com/firewall/plans

Intrusion Detection and Prevention

Signature-based scanning.
Automatic rule updates via configurable cron service.
Real-time SSL deep packet inspection.
SSL black and white list.

Advanced Threat Protection

Instant recognition and response to sophisticated attacks.
Support for application/protocol monitoring and traffic statistics generation using Deep Packet Inspection (DPI) technology.
Geo-IP enforcement.

Network Switch

Up to four SFP+ ports, eight 2.5-gigabit ports, and sixteen Gigabit Ethernet ports (GCC6021).
Intelligent power controller supporting dynamic PoE/PoE+ power distribution, PoE++ power allocation (GCC6021 only) per PoE port.
IPv6 and IPv4 network deployment support.
Built-in QoS for network traffic prioritization.

IP PBX

Supports 50 users and 16 concurrent calls by default; upgrades available for purchase.
Numerous PBX features including call forward, transfer, park, intercom/pickup, IVR, emergency calls, etc.
Built-in audio and video conferencing platform, supporting Wave application for desktop/Android/iOS devices and browser-based application.
Fast deployment of Grandstream SIP endpoints.
Support for multiple audio and video codecs such as Opus, G.711 A-law/U-law, G.722, G722.1 G722.1C, G.723.1 5.3K/6.3K, G.726-32, G.729A/B, iLBC, GSM; T.38, H.264, H.263, H263+, VP8.
QoS: FEC/JB/NetEQ/ToS/DSCP.
Protocols: SIP, TCP/UDP/IP, RTP/RTCP, ICMP, ARP, DNS, SFTP, SSH, HTTPS, RTSP, STUN, SRTP, TLS, LDAP.
Full API for integration with third-party platforms and applications.
Support for Property Management Systems (PMS), call centers, CRM integration, and more.

Management

Centralized Management: Intuitive user interface with a device management center. Integration with Grandstream wireless access points, switches, and UC endpoints. All network nodes can be displayed on a topology map and controlled with a few clicks. Rapid deployment of thousands of devices.
Easy Maintenance: Management via Grandstream Device Management System (GDMS), local web interface, SSH, and SNMP (v1/v2c/v3).
Monitoring: CPU and memory usage monitoring. Diagnostics via ping command, packet capture, external syslog server, link trace table, interface, and more.
Cybersecurity: One year of security update service against cyberattacks.
Reporting: Dynamic report generation and monitoring. Multiple types of charts and graphs for dynamic reporting and monitoring.

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