Users Guide

Version 8.4.2.1 Introduced on the C-Series and S4810.
Version 8.2.1.0 Introduced on the E-Series ExaScale.
Version 7.4.1.0 Introduced on the E-Series TeraScale.
Usage
Information
The bgp log-neighbor-changes command appears in the show config command output.
Related
Commands
show config – views the current configuration.
bgp non-deterministic-med
Compare MEDs of paths from different autonomous systems (ASs).
Syntax
bgp non-deterministic-med
To return to the default, use the no bgp non-deterministic-med command.
Defaults Disabled (that is, paths/routes for the same destination but from different ASs does not have their MEDs
compared).
Command Modes ROUTER BGP
Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.4.2.1 Introduced on the C-Series and S4810.
Version 8.2.1.0 Introduced on the E-Series ExaScale.
Version 7.4.1.0 Introduced on the E-Series TeraScale.
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 mode, the path selection
for existing paths remains Deterministic until you enter the capture bgp-pdu max-buffer-size
command to clear existing paths.
bgp recursive-bgp-next-hop
Enable next-hop resolution through other routes learned by BGP.
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
848 IPv6 Border Gateway Protocol (IPv6 BGP)