Dell C1048P Port Extender Networking Command-Line Reference Guide for the C900 - Page 486
bgp recursive-bgp-next-hop, bgp regex-eval-optz-disable
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Usage Information In non-deterministic mode, paths are compared in the order in which they arrive. This method can lead to the system choosing different best paths from a set of paths, depending on the order in which they are received from the neighbors because MED may or may not get compared between adjacent paths. In Deterministic mode (no bgp non-deterministic-med), the system compares MED between adjacent paths within an AS group because all paths in the AS group are from the same AS. When you change the path selection from deterministic to non-deterministic, the path selection for existing paths remains deterministic until you enter the clear ip bgp command to clear existing paths. bgp recursive-bgp-next-hop Enable next-hop resolution through other routes learned by BGP. C9000 Series Syntax bgp recursive-bgp-next-hop To disable next-hop resolution, use the no bgp recursive-bgp-next-hop command. Defaults Enabled. Command Modes ROUTER BGP Command History Version 9.9(0.0) 9.2(1.0) 8.2.1.0 7.4.1.0 Description Introduced on the C9010. Introduced on the Z9500. Introduced on the E-Series ExaScale. Introduced Usage Information This command is a knob to disable BGP next-hop resolution via BGP learned routes. During the next-hop resolution, only the first route that the next-hop resolves through is verified for the route's protocol source and is checked if the route is learned from BGP or not. The clear ip bgp command is required for this command to take effect and to keep the BGP database consistent. Execute the clear ip bgp command right after executing this command. Related Commands clear ip bgp bgp regex-eval-optz-disable Disables the Regex Performance engine that optimizes complex regular expression with BGP. C9000 Series Syntax bgp regex-eval-optz-disable Border Gateway Protocol 486
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