Netgear XCM8810 Chassis Hardware Installation Guide - Page 871
enable iproute sharing, Information Base FIB.
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NETGEAR 8800 Chassis Switch CLI Manual Usage Guidelines Enables IPv4 route compression for the specified virtual router. If the virtual router name is not specified, route compression is enabled for the VR context from which the CLI command is issued. The command applies a compression algorithm on each of the IP prefixes in the routing table. Essentially, routes with longer network masks might not be necessary if they are a subset of other routes with shorter network masks using the same gateway(s). When IP route compression is enabled, these unnecessary routes are not provided to the Forwarding Information Base (FIB). Example The following example enables IP route compression: enable iproute compression enable iproute sharing enable iproute {ipv4} sharing Description Enables load sharing if multiple routes to the same destination are available. When multiple routes to the same destination are available, load sharing can be enabled to distribute the traffic to multiple destination gateways. Only paths with the same lowest cost are shared. Syntax Description This command has no arguments or variables. Default Disabled. Usage Guidelines IP route sharing allows multiple equal-cost routes to be used concurrently. IP route sharing can be used with static routes or with OSPF or BGP routes. In OSPF or BGP, this capability is referred to as equal cost multipath (ECMP) routing. Configure static routes and OSPFor BGP as you would normally. The NETGEAR 8800 software supports route sharing across up to 8 static routes or ECMP routes for OSPF or BGP. However, on the NETGEAR 8800 family switches, by default, up to 4 routes are supported. To support 2, 4, or 8 routes on these switches, use the following command: configure iproute sharing max-gateways Using route sharing makes router troubleshooting more difficult because of the complexity in predicting the path over which the traffic travels. Chapter 19. IP Unicast Commands | 871