CLI Guide
BGPv4 Commands
Border gateway protocol (BGP) is an external gateway protocol that transmits interdomain routing information within and between
autonomous systems (AS).
BGP version 4 (BGPv4) supports classless interdomain routing (CIDR) and the aggregation of routes and AS paths. Basically, two routers
(called neighbors or peers) exchange information including full routing tables and periodically send messages to update those routing tables.
NOTE: Dell Networking OS Version 7.7.1 supports 2-Byte (16-bit) and 4-Byte (32-bit) format for autonomous system numbers
(ASNs), where the 2-Byte format is 1-65535 and the 4-Byte format is 1-4294967295.
NOTE: Dell Networking OS Version 8.3.1.0 supports dotted format as well as the traditional plain format for AS numbers. Display
the dot format using the show ip bgp commands. To determine the comparable dot format for an ASN from a traditional
format, use ASN/65536. ASN%65536. For more information about using the 2–Byte or 4-Byte format, refer to the
Dell
Networking OS Conguration Guide
.
address-family
Enable the IPv4 multicast or the IPv6 address family.
Syntax
address-family [ipv4 multicast| ipv6unicast]
Parameters
ipv4 multicast Enter BGPv4 multicast mode.
ipv6 unicast Enter BGPv6 mode.
Defaults Not congured.
Command Modes ROUTER BGP
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
aggregate-address
To minimize the number of entries in the routing table, summarize a range of prexes.
Syntax
aggregate-address ip-address mask [advertise-map map-name] [as-set] [attribute-
map map-name] [summary-only] [suppress-map map-name]
Parameters
ip-address mask Enter the IP address and mask of the route to be the aggregate address. Enter the IP
address in dotted decimal format (A.B.C.D) and mask in /prex format (/x).
advertise-map
map-name
(OPTIONAL) Enter the keywords advertise-map then the name of a congured route
map to set lters for advertising an aggregate route.
as-set
(OPTIONAL) Enter the keyword as-set to generate path attribute information and
include it in the aggregate.
286 Border Gateway Protocol IPv4 (BGPv4)