Software lag switch activation key
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#Software lag switch activation key software#
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Short: Traffic is interrupted in seconds.
#Software lag switch activation key upgrade#
Relatively long: In typical networking, the service interruption time during a fast stack upgrade is about 20 seconds to 1 minute, which is closely related to the service volume. Service interruption time during an upgrade The upgrade operation is simple and the risk is low. Low complexity: Two member devices can be upgraded separately.
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High complexity: Fast stack upgrade reduces the service interruption time but increases the upgrade operation time and upgrade risk. High: Member switches forward packets independently. Medium: The master device's control plane needs to control forwarding planes of all stack members, which increases the CPU load. Medium: Peer-link interfaces need to be connected. Medium: Stack cables need to be deployed. Simple: Two devices are configured independently. Simple: A stack is considered as one device logically. Control planes are independent and fault domains are isolated.High device-level, card-level, and link-level reliability.The control plane is centralized, and faults may be spread on member devices.Table 1-1 Comparison between stacking and M-LAG M-LAG not only solves the problem of low reliability brought by traditional aggregated links, but also avoids the disadvantages of a long stack upgrade time and high risks. For details about the fundamentals of M-LAG, see M-LAG Configuration in Configuration Guide - Ethernet Switching. If DeviceA or DeviceB fails, traffic can be rapidly switched to the other device, ensuring non-stop service transmission. M-LAG improves card-level reliability to device-level reliability.Īs shown in Figure 1-2, DeviceA and DeviceB establish an M-LAG, and ServerA is dual-homed to the M-LAG member devices through inter-device link aggregation.ĭeviceA and DeviceB work in load balancing mode to forward traffic. For the connected device, it establishes a link aggregation relationship with one device. Two access switches in the same state in an M-LAG can perform link aggregation negotiation with a connected device. Multichassis Link Aggregation Group (M-LAG) is a new inter-device link aggregation technology.