Administrator Guide

Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000–ON.
9.2(1.0) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.8.1.0 Introduced on the S-Series.
7.7.1.0 Introduced on the C-Series.
Usage Information
Peering sessions are reset when you change the router ID of a BGP router.
This command automatically restarts the BGP instance for the conguration to take eect.
clear ip bgp
Reset BGP sessions. The soft parameter (BGP Soft Reconguration) clears the policies without resetting the TCP connection.
Syntax
clear ip bgp [vrf vrf-name] [* | <1–4294967295> | <0.1–65535.65535> | A.B.C.D
{soft {in | out}} | X:X:X:X::X {soft {in | out}} | dampening | flap-statistics
| ipv4 | ipv6 | peer-group]
Parameters
vrf vrf-name Enter the keyword vrf and then the name of the VRF to clear all BGP sessions
corresponding to that VRF.
NOTE: Use this attribute to clear a BGP instance corresponding to either a
specic address family in a default VRF or an IPv4 address family in a a non-
default VRF.
* Enter an asterisk ( * ) to reset all BGP sessions.
<1-4294967295> Enter <1-4294967295> to clear peers with the AS number.
<0.1-65535.65535> Enter <0.1-65535.65535> to clear peers with the AS number in dot format.
A.B.C.D Enter the BGP neighbor address in the A.B.C.D format to clear.
X:X:X:X::X Enter the BGP neighbor address in the X:X:X:X::X format to clear.
372 Border Gateway Protocol