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Stacking Module สำหรับ switch 2960X
Cisco FlexStack-Plus provides stacking of up to eight Cisco Catalyst 2960-X or 2960-XR Series Switches with the optional FlexStack-Plus module (Figure 5).
The FlexStack-Plus module is hot swappable and can be added to any Cisco Catalyst 2960-X or 2960-XR Series Switch with a FlexStack-Plus slot. Switches connected to a stack will automatically upgrade to the stack’s Cisco IOS Software version and transparently join the stack without additional intervention.
To provide investment protection, FlexStack-Plus is backward compatible with FlexStack. Cisco Catalyst 2960-X LAN Base switches equipped with a FlexStack-Plus module can be stacked with Cisco Catalyst 2960-S and 2960-SF LAN Base switches equipped with a FlexStack module (see Table 6). Table 7 lists the scalability and performance of FlexStack with the various software images.
Table 6. FlexStack and FlexStack-Plus supported combinations
Stack member | 2960-XR IP Lite | 2960-X LAN Base | 2960-S/SF LAN Base |
2960-XR IP Lite | Yes | – | – |
2960-X LAN Base | – | Yes | Yes |
2960-S or 2960-SF LAN Base | – | Yes | Yes |
Table 7. FlexStack-Plus scalability and performance
Stack member | Stack bandwidth | Stack limit | Cisco IOS feature set |
2960-XR IP Lite | 80 Gbps | 8 | IP Lite |
2960-X LAN Base | 80 Gbps | 8 | LAN Base |
2960-X LAN Base mixed with 2960-S/SF LAN Base | 40 Gbps | 4 | LAN Base |
Figure 5.
Cisco FlexStack-Plus switch stack
Cisco FlexStack-Extended enables a long-distance out-of-the wiring-closet stack option (floor to floor). It allows back-panel stacking of up to eight Cisco Catalyst 2960-X or 2960-XR Series Switches. FlexStack-Extended can be added to a Cisco Catalyst 2960-X or 2960-XR Series Switch with a back-panel stacking slot. Table 8 lists the switch combinations supported with FlexStack-Extended, and Table 9 lists the scalability and performance with the various software images. FlexStack-Extended is supported in Cisco IOS 15.2(6)E or later and is available in two module configurations: a fiber module and a hybrid module.
The hybrid module has a copper port that enables short-reach connectivity across a local stack of switches (Figure 6). It provides investment protection and compatibility with FlexStack-Plus through the copper port, while the SFP+ port supports distance stacking. The fiber module has two SFP+ ports supporting long-reach out-of-the wiring-closet stacking (Figure 7).
Please refer to Table 18 for information about transceiver and cable compatibility with FlexStack-Extended.
Cisco FlexStack-Plus, FlexStack-Extended, and Cisco IOS Software offer true stacking, with all switches in a stack acting as a single switch unit. FlexStack-Plus and FlexStack-Extended provide a unified data plane, unified configuration, and single IP address for switch management. The advantages of true stacking include lower total cost of ownership and higher availability through simplified management as well as cross-stack features including EtherChannel, SPAN, and Flex Links.
Table 8. FlexStack-Extended supported combinations
Stack member | 2960-XR IP Lite | 2960-X LAN Base |
2960-XR IP Lite | Yes | – |
2960-X LAN Base | – | Yes |
Table 9. FlexStack-Extended scalability and performance
Stack member | Stack bandwidth | Stack limit | Cisco IOS feature set |
2960-XR IP Lite | 40 Gbps | 8 | IP Lite |
2960-X LAN Base | 40 Gbps | 8 | LAN Base |
Figure 6.
Cisco FlexStack-Extended: Hybrid module
Figure 7.
Cisco FlexStack-Extended: Fiber module
Package Contents
● C2960X-STACK
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