peer advertise (BGP-EVPN address family view) (group)

Function

The peer advertise command enables a device to advertise ND, ARP or IRB routes to a BGP EVPN peer.

The undo peer advertise command restores the default configuration.

By default, a device does not advertise ND, ARP or IRB routes to a BGP EVPN peer.

Format

peer group-name advertise { irb | arp }

peer group-name advertise { irbv6 | nd }

undo peer group-name advertise { irb | arp }

undo peer group-name advertise { irbv6 | nd }

Parameters

Parameter	Description	Value
group-name	Specifies the name of a BGP EVPN peer group.	The name is a string of 1 to 47 case-sensitive characters, with spaces not supported. When double quotation marks are used around the string, spaces are allowed in the string.
irb	Configures a device to advertise IRB routes to its BGP EVPN peers.	-
arp	Configures a device to advertise ARP routes to its BGP EVPN peers.	-
irbv6	Configures a device to advertise IRBv6 routes to its BGP EVPN peers.	-
nd	Configures a device to advertise ND routes to its BGP EVPN peers.	-

Views

BGP-EVPN address family view

Default Level

2: Configuration level

Task Name and Operations

Task Name	Operations
bgp	write

Usage Guidelines

Usage Scenario

To allow a device to advertise ARP or IRB routes to its BGP EVPN peers, run the peer advertise command. This command allows VTEPs to establish VXLAN tunnels and implements ARP broadcast suppression on networks. If you specify irb, VTEPs can also transmit host routes.

If you specify nd or irbv6, the local device can advertise ND or IRBv6 routes to a BGP EVPN peer. After receiving the routes, the BGP EVPN peer generates a proxy table locally. After the BGP EVPN peer receives NS packets, it searches the local proxy table. If an entry is hit, the VXLAN gateway directly performs proxy ND or multicast-to-unicast processing.

Precautions

You cannot specify both arp and irb in the same BGP-EVPN address family view.

You cannot specify both nd and irbv6 in the same BGP-EVPN address family view.

Example

# Configure the advertisement of ND routes to an IPv6 BGP EVPN peer group.

<HUAWEI> system-view
[~HUAWEI] bgp 100
[*HUAWEI-bgp] peer 2001:DB8:1::1 as-number 100
[*HUAWEI-bgp] group gp2
[*HUAWEI-bgp] l2vpn-family evpn
[*HUAWEI-bgp-af-evpn] peer gp2 enable
[*HUAWEI-bgp-af-evpn] peer 2001:DB8:1::1 group gp2
[*HUAWEI-bgp-af-evpn] peer gp2 advertise nd

# Configure a device to advertise ARP routes to its BGP EVPN peer group.

<HUAWEI> system-view
[~HUAWEI] bgp 100
[*HUAWEI-bgp] peer 10.10.1.1 as-number 100
[*HUAWEI-bgp] group gp1
[*HUAWEI-bgp] l2vpn-family evpn
[*HUAWEI-bgp-af-evpn] peer gp1 enable
[*HUAWEI-bgp-af-evpn] peer 10.10.1.1 group gp1
[*HUAWEI-bgp-af-evpn] peer gp1 advertise arp