Command Reference Guide

310 | Border Gateway Protocol IPv4 (BGPv4)
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bgp log-neighbor-changes
c e s
Enable logging of BGP neighbor resets.
Syntax
bgp log-neighbor-changes
To disable logging, enter no bgp log-neighbor-changes.
Defaults
Enabled.
Command Modes
ROUTER BGP
Usage
Information
Use the show logging command in the EXEC mode to view BGP neighbor resets.
The bgp log-neighbor-changes command appears in the show config command output.
Related
Commands
Command
History
bgp non-deterministic-med
c e s
Compare MEDs of paths from different Autonomous Systems.
Syntax
bgp non-deterministic-med
To return to the default, enter no bgp non-deterministic-med.
Defaults
Disabled (that is, paths/routes for the same destination but from different ASs will not have
their MEDs compared).
Command Modes
ROUTER BGP
Usage
Information
In non-deterministic mode, paths are compared in the order in which they arrive. This method
can lead to FTOS choosing different best paths from a set of paths, depending on the order in
which they are received from the neighbors since MED may or may not get compared
between adjacent paths. In deterministic mode (
no bgp non-deterministic-med), FTOS
compares MED between adjacent paths within an AS group since 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 clear ip bgp command to
clear existing paths.
show logging View logging settings and system messages logged to the system.
Version 7.8.1.0 Introduced support on S-Series
Version 7.7.1.0 Introduced support on C-Series