The Cisco 550X Series (Figure 1) are the next-generation stackable managed Ethernet switches that provide the advanced capabilities and superior performance you need to support a more demanding network environment at an affordable price. These switches incorporate fan and power hardware redundancy, increasing overall network availability. The SG550X and SF550X models provide 24 or 48 ports of Gigabit Ethernet and Fast Ethernet connectivity with 10 Gigabit uplinks. The SX550X models provide 12, 16, 24, or 48 ports of 10 Gigabit Ethernet with both copper and fiber connection options, providing a solid foundation for your current business applications, as well as those you are planning for the future. At the same time, these switches are easy to deploy and manage, without a large IT staff.
Cisco 550X Series Stackable Managed Switches
Cisco 550X Series switches are designed to protect your technology investment as your business grows. Unlike switches that claim to be stackable but have elements that are administered and troubleshot separately, the Cisco 550X Series provides true stacking capability, allowing you to configure, manage, and troubleshoot multiple physical switches as a single device and more easily expand your network.
A true stack delivers a unified data and control plane, in addition to a management plane, providing flexibility, scalability, and ease of use because the stack of units operate as a single entity constituting all the ports of the stack members. The switches also protect your technology investment with an enhanced warranty, dedicated technical support, and the ability to upgrade equipment in the future and receive credit for your Cisco 550X Series switch. Overall, the Cisco 550X Series provides the ideal technology foundation for a growing business.
Feature |
Description |
Performance |
Switching capacity and forwarding rate All switches are wire-speed and nonblocking |
Product name |
Capacity in mpps (64-byte packets) |
Switching capacity (Gbps) |
SF550X-24 |
63.09 |
84.8 |
SF550X-24P |
63.09 |
84.8 |
SF550X-24MP |
63.09 |
84.8 |
SF550X-48 |
66.66 |
89.6 |
SF550X-48P |
66.66 |
89.6 |
SF550X-48MP |
66.66 |
89.6 |
SG550X-24 |
95.23 |
128 |
SG550X-24P |
95.23 |
128 |
SG550X-24MP |
95.23 |
128 |
SG550X-24MPP |
95.23 |
128 |
SG550X-48 |
130.94 |
176 |
SG550X-48P |
130.94 |
176 |
SG550X-48MP |
130.94 |
176 |
SG550XG-8F8T |
238.08 |
320 |
SG550XG-24F |
357.12 |
480 |
SG550XG-24T |
357.12 |
480 |
SG550XG-48T |
714.24 |
960 |
SX550X-12F |
178.56 |
240 |
SX550X-16FT |
238.08 |
320 |
SX550X-24FT |
240.00 |
480 |
SX550X-24F |
240.00 |
480 |
SX550X-24 |
240.00 |
480 |
SX550X-52 |
755.81 |
1,040 |
Layer 2 switching |
Spanning Tree Protocol |
Standard 802.1d spanning tree support Fast convergence using 802.1w (Rapid Spanning Tree [RSTP]), enabled by default Multiple spanning tree instances using 802.1s (MSTP); 16 instances are supported Per-VLAN Spanning Tree Plus (PVST+) and Rapid PVST+ (RPVST+); 126 instances are supported |
Port grouping/link aggregation |
Support for IEEE 802.3ad Link Aggregation Control Protocol (LACP)
● Up to 32 groups
● Up to 8 ports per group with 16 candidate ports for each (dynamic) 802.3ad LAG
|
VLAN |
Support for up to 4,094 active VLANs simultaneously; port-based and 802.1Q tag-based VLANs; MAC-based VLAN Management VLAN Private VLAN with promiscuous, isolated, and community port Guest VLAN, unauthenticated VLAN, protocol-based VLAN, IP subnet-based VLAN, CPE VLAN Dynamic VLAN assignment using RADIUS server along with 802.1x client authentication |
Voice VLAN |
Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS. Auto voice capabilities deliver networkwide zero-touch deployment of voice endpoints and call control devices |
Multicast TV VLAN |
Multicast TV VLAN allows the single multicast VLAN to be shared in the network while subscribers remain in separate VLANs. This feature is also known as Multicast VLAN Registration (MVR) |
VLAN translation |
Support for VLAN One-to-One Mapping. In VLAN One-to-One Mapping, on an edge interface C-VLANs are mapped to S-VLANs and the original C-VLAN tags are replaced by the specified S-VLAN |
Q-in-Q |
VLANs transparently cross over a service provider network while isolating traffic among customers |
Selective Q-in-Q |
Selective Q-in-Q is an enhancement to the basic Q-in-Q feature and provides, per edge interface, multiple mappings of different C-VLANs to separate S- VLANs Selective Q-in-Q also allows configuring of Ethertype (TPID) of the S-VLAN tag Layer 2 protocol tunneling over Q-in-Q is also supported |
GVRP/GARP |
Generic VLAN Registration Protocol (GVRP) and Generic Attribute Registration Protocol (GARP) enable automatic propagation and configuration of VLANs in a bridged domain |
Unidirectional Link Detection (UDLD) |
UDLD monitors physical connection to detect unidirectional links caused by incorrect wiring or port faults to prevent forwarding loops and blackholing of traffic in switched networks |
DHCP relay at Layer 2 |
Relay of DHCP traffic to DHCP server in a different VLAN. Works with DHCP option 82 |
IGMP (versions 1, 2, and 3) snooping |
Internet Group Management Protocol (IGMP) limits bandwidth-intensive multicast traffic to only the requesters; supports 4K multicast groups (source-specific multicasting is also supported) |
IGMP querier |
IGMP querier is used to support a Layer 2 multicast domain of snooping switches in the absence of a multicast router |
HOL blocking |
Head-Of-Line (HOL) blocking |
Loopback Detection |
Loopback detection provides protection against loops by transmitting loop protocol packets out of ports on which loop protection has been enabled. It operates independently of STP |
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