Administrator Guide

the lower of the holdtime value is the new holdtime value, and
whichever is the lower value; one-third of the new holdtime value, or the configured keepalive value, is
the new keepalive value.
neighbor timers extended
Set idle hold time for a BGP neighbor or a peer group.
Syntax
neighbor {ip-address | ipv6-address | peer-group-name} timers extended idle
holdtime
To return to the default values, use the no neighbor {ip-address | ipv6-address | peer-group-
name} timers extended idle holdtime command.
Parameters
ip-address
Enter the IP address of the peer router in dotted decimal format.
ipv6-address
Enter the IPv6 address of the peer router in X:X:X:X::X format.
peer-group-name
Enter the name of the peer group to set the timers for all routers within the peer group.
timers extended
idle holdtime
Enter a number for the time interval, in seconds, for the peer to be idle state. The range is
from 1 to 32767. The default is 15 seconds.
Defaults
The default idle holdtime is 15 seconds.
Command Modes ROUTER BGP
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC
Networking OS Command Line Reference Guide.
Version Description
9.14(0.0) Introduced on the C9010, MXL, FN IOM, S3100 series, S3048–ON, S4048–ON, S4048T-
ON, S5048F-ON, S6000, S6010–ON, S6100–ON, Z9100–ON, and S6000–ON.
Usage Information
The peer remains in idle state based on the configured idle holdtime. The less the idle holdtime, less
the peer in idle state.
For the new idle holdtime to take effect, you need to shutdown the respective peer manually using neighbor
shutdown command and enable the peer again.
neighbor update-source
Enable the system to use Loopback interfaces for TCP connections for BGP sessions.
C9000 Series
Syntax
neighbor {ip-address | peer-group-name} update-source interface
To use the closest interface, use the no neighbor {ip-address | peer-group-name} update-
source interface command.
Parameters
ip-address
Enter the IP address of the peer router in dotted decimal format.
peer-group-name
Enter the name of the peer group to disable all routers within the peer group.
interface
Enter the keyword loopback then a number of the Loopback interface. The range is
from 0 to 16383.
Defaults Not configured.
Command Modes ROUTER BGP
Border Gateway Protocol 369