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address-family ipv4
Specifies the type of address family to be created and changes the command mode to IPv4 address family command mode.
Syntax: address-family ipv4 {unicast | multicast}
Description: The IPv4 address family is a component of Multi-protocol BGP (MPBGP) that provides for the association of MBGP commands with appropriate IPv4 address family types: unicast and multicast.
Use the address-family ipv4 unicast command to enter IPv4 address family command mode and apply unicast services to entered commands (SAFI 1 in the MPBGP capability negotiation OPEN message).
Use the address-family ipv4 multicast command to enter IPv4 address family command mode and to apply multicast services to entered commands (SAFI 2 in the MPBGP capability negotiation OPEN message).
BGP carries a separate set of routes for each IPv4 address family: unicast and multicast.
NOTE MPBGP supports a third IPv4 address family type that clubs both unicast and multicast messages into a single route (SAFI 3). The Avici router does not currently support the clubbing of unicast and multicast message into a single route.
Factory Default: None.
Command Mode: Router configuration.
Example: The following example enters the multicast IPv4 address family mode allowing for the entry of MBGP commands for multicast services:
router#config terminal
Enter configuration commands, one per line. End with CNTL/Z.
router(config)#router bgp 101
router(config-router)#address-family ipv4 multicast
router (config-router-af)#
Related Commands: config terminal
router bgp
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Copyright © 2004
Avici Systems Inc.
Avici® and TSR®
is a registered trademark of Avici Systems Inc.
IPriori™, Composite Links™, SSR™, QSR, and NSR® are
trademarks of Avici Systems Inc.
Source
File Name: MBGPCmds.fm
HTML File Name: MBGPCmds2.html
Last Updated: 12/19/04 at 14:58:18