Command Line Reference Guide

344 | Border Gateway Protocol IPv4 (BGPv4)
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router bgp
c e s
Enter ROUTER BGP mode to configure and enable BGP.
Syntax
router bgp as-number
To disable BGP, use the no router bgp as-number command.
Parameters
Defaults
Not enabled.
Command Modes
CONFIGURATION
Example FTOS(conf)#router bgp 3
FTOS(conf-router_bgp)#
Command
History
Usage
Information
At least one interface must be in Layer 3 mode for the router bgp command to be accepted. If no
interfaces are enabled for Layer 3, an error message appears:
% Error: No router id configured.
show capture bgp-pdu neighbor
c e s
Display BGP packet capture information for an IPv4 address on the system.
Syntax
show capture bgp-pdu neighbor ipv4-address
Parameters
Command Modes
EXEC Privilege
Example FTOS(conf-router_bgp)#show capture bgp-pdu neighbor 20.20.20.2
Incoming packet capture enabled for BGP neighbor 20.20.20.2
Available buffer size 40958758, 26 packet(s) captured using 680 bytes
PDU[1] : len 101, captured 00:34:51 ago
ffffffff ffffffff ffffffff ffffffff 00650100 00000013 00000000 00000000 419ef06c 00000000
00000000 00000000 00000000 00000000 0181a1e4 0181a25c 41af92c0 00000000 00000000 00000000
00000000 00000001 0181a1e4 0181a25c 41af9400 00000000
PDU[2] : len 19, captured 00:34:51 ago
ffffffff ffffffff ffffffff ffffffff 00130400
PDU[3] : len 19, captured 00:34:51 ago
ffffffff ffffffff ffffffff ffffffff 00130400
[. . .]
Outgoing packet capture enabled for BGP neighbor 20.20.20.2
Available buffer size 40958758, 27 packet(s) captured using 562 bytes
as-number
Enter the AS number.
Range: 1 to 65535 (2-Byte) or 1-4294967295 (4-Byte) or
0.1-65535.65535 (Dotted format)
Version 7.8.1.0 Introduced support on S-Series
Version 7.7.1.0 Introduced support on C-Series
ipv4-address
Enter the IPv4 address (in dotted decimal format) of the BGP address to display
packet information for that address.