Do S series switches support ratio-based load balancing


S series switches (except the S1700) support per-flow load balancing but do not support ratio-based load balancing.

Other related questions:
Whether the S-series switches support non-equivalent load balancing
S series switch load sharing is generally equivalent load sharing, can not achieve non-equivalent load sharing. If you want non-equivalent load balancing, you can only force certain data streams to go through the specified next hop by policy routing.

License support on S series switch
S series switches support licenses as follows: Among S series fixed switches, only S5720HI switches in V200R006C00 and later versions support license files.(The S5720HI can increase the number of IPv4 FIB entries or connected APs by loading different licenses.) All S series modular switches support license files.

Do ERPS-enabled S series switches support load balancing
For S series switches, one or two ERPS rings can be configured over a physical ring. Different protected instances are configured for ERPS rings. Each blocked port only takes effect for VLANs protected by the local ERPS ring. Data of different VLANs is transmitted through different paths, implementing traffic load balancing and link backup.

How to configure load balancing for the Eth-Trunk on S series switches
S series switches (except the S1700) use a per-flow load balancing mechanism, which ensures that frames of the same data flow are forwarded on the same physical link, and different data flows are forwarded on different physical links. You can configure common load balancing mode to implement load balancing based on IP addresses or MAC addresses of packets. For L2, IP, and MPLS packets, you can also configure enhanced load balancing mode. Load balancing takes effect only for the outbound traffic. Therefore, load balancing modes can be different on the two ends of a link. 1. Commands for configuring common load balancing mode: [HUAWEI] interface Eth-Trunk 1 [HUAWEI-Eth-Trunk1] load-balance dst-mac 2. Commands for configuring enhanced load balancing mode: [HUAWEI] load-balance-profile a [HUAWEI-load-balance-profile-a] l2 field smac [HUAWEI-load-balance-profile-a] quit [HUAWEI] interface Eth-Trunk 1 [HUAWEI-Eth-Trunk1] load-balance enhanced profile a For configuration cases about common load balancing mode, see "Typical Ethernet Switching Configuration -Link Aggregation Configuration- Example for Configuring Link Aggregation in Manual Mode When Switches Are Directly Connected" in S1720&S2700&S3700&S5700&S6700&S7700&S9700 Typical Configuration Examples. The configuration cases of common load balancing are applicable to all S series switch models. The Sx700 series switch is used here as an example.

How do I configure VRRP load balancing on an S series switch
To configure VRRP load balancing on an S series switch (except the S1700), see section "Typical Reliability Configuration" at S1720&S2700&S3700&S5700&S6700&S7700&S9700 Typical Configuration Examples. The configuration method for the S9300 is the same as that for other switch models.

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