How does IS-IS obtain the maximum number of load-balancing routes

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IS-IS obtains the maximum number of IPv4 and IPv6 load-balancing routes from the route management (RM) module in the PAF file

Other related questions:
What is the maximum number of paths that AR series routers support to perform load balancing
The AR120&AR150&AR160&AR200&AR500&AR1200 series, AR2201-48FE, AR2202-48FE, AR2204-27GE, AR2204-27GE-P, AR2204-51GE-P, AR2204E, and AR2204 support a maximum of four paths. AR2220, AR2240, AR2240C, ,AR3600, and AR3200 series support a maximum of eight paths. NOTE: In V200R005C10 and later versions, devices with SRU200 or SRU400 installed support a maximum of 16 next hops for load balancing. In V200R006 and later versions, devices with SRUX5 or SRU400 installed support a maximum of 16 next hops for load balancing. In V200R007 and later versions, devices with SRU200E installed support a maximum of 16 next hops for load balancing.

How does S series switch implement load balancing among equal-cost routes
An S series switch supports enhanced equal-cost multipath (ECMP) load balancing mode. This function mitigates the problem of unequal traffic distribution among equal-cost routes. If this problem still occurs, configure a traffic policy to redirect the traffic with the highest rate to the link with the lightest traffic. Perform the following operations to configure a traffic policy: 1. Configure redirection. [HUAWEI] traffic behavior test [HUAWEI-behavior-test] redirect ip-nexthop 100.1.1.2 2. Configure traffic classifier based on basic ACL. [HUAWEI] acl 2000 [HUAWEI-acl-basic-2000] rule 10 permit source 200.1.1.2 0 [HUAWEI-acl-basic-2000] quit [HUAWEI] traffic classifier test [HUAWEI-classifier-test] if-match acl 2000 3. Create a traffic policy and associate it with the created traffic classifier and behavior. [HUAWEI] traffic policy test [HUAWEI-trafficpolicy-test] classifier test behavior test 4. Apply the traffic policy to the inbound direction of an interface. [HUAWEI] interface GigabitEthernet 1/0/1 [HUAWEI-GigabitEthernet1/0/1] traffic-policy test inbound

Configuring load-balancing equivalent routes for USG firewalls
The load-balancing equivalent routes for USG firewalls are configured as follows: Configure load balancing of equivalent routes on the web UI as follows: 1. Choose Route > Static > Equivalent Route. Configure the source IP address, destination IP address, source port, and destination port for the load-balancing equipment route. 2. Calculate a value based on the source IP address, destination IP address, and port number. Packets with the same value are forwarded over the same link. 3. Click Apply. Configure load balancing of equivalent routes in CLI mode as follows: 1. Configure the per-flow load balancing. a. Run the system-view command to enter the system view. b. Run the load-balance flow hash { destination-ip | destination-port | source-ip | source-port } * command to configure the link according to the Hash algorithm. c. Run the interface interface-type interface-number command to enter the interface view. d. Run the route weight weight-value command to configure the load-balancing weight. The larger the load-balancing weight of the interface, the large the traffic borne by the interface. The default value is 1. e. Run the quit command to return to the system view. 2. Configure the per-packet load balancing (Note: Generally, this mode is not used by firewalls). a. Run the system-view command to enter the system view. b. Run the load-balance packet command to configure per-packet load balancing to forward IP packets. c. Run the interface interface-type interface-number command to enter the interface view. d. Run the route weight weight-value command to configure the load-balancing weight. The larger the load-balancing weight of the interface, the large the traffic borne by the interface. The default value is 1. e. Run the quit command to return to the system view.

Does the firewall support load balancing?
The firewall supports load balancing.

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