BGP EVPN

nv set vrf <vrf-id> router bgp address-family l2vpn-evpn enable

Tuns the EVPN address family on or off for the specified VRF. The default setting is off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp address-family l2vpn-evpn enable on

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn add-path-tx

Configures BGP to advertise more than just the best path for an EVPN prefix to the BGP neighbor. You can specify all-paths to advertise all known paths to the neighbor or best-per-as to advertise only the best path learned from each AS. The default setting is off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.8.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn add-path-tx all-paths

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn aspath allow-my-asn enable

Configures BGP to allow a received AS path to contain the ASN of the local system. You can specify on or off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn aspath allow-my-asn enable on

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn aspath allow-my-asn occurrences

Configures the maximum number of times the AS number of the local system can be in the received AS path.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn aspath allow-my-asn occurrences 5

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn aspath allow-my-asn origin

Configures BGP to allow a received AS path to contain the ASN of the local system only if it is the originating AS.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn aspath allow-my-asn origin on

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn attribute-mod aspath

Configures BGP to follow normal BGP procedures when generating the AS_PATH attribute for the neighbor for EVPN. You can specify on or off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn attribute-mod aspath on

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn attribute-mod med

Configures BGP to follow normal BGP procedures when generating the MED attribute for the specified neighbor for EVPN. You can specify on or off. If you set this attribute to off, BGP does not change the MED when sending an update to the neighbor.

Command Syntax

Version History

Introduced in Cumulus Linux 5.10.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn attribute-mod med on

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn attribute-mod nexthop

Configures BGP to follow normal BGP procedures when generating the NEXT_HOP attribute for the specified neighbor for EVPN. You can specify on or off. If you set this attribute to off, BGP does not change NEXT_HOP when sending an update to the neighbor.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn attribute-mod nexthop on

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn enable

Tuns the EVPN address family on or off for the specified neighbor. The default setting is off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn enable on

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn nexthop-setting

Configures the BGP next hop value of advertised EVPN routes for the BGP neighbor. You can specify auto to follow regular BGP next hop determination rules, self to set the next hop to itself for route advertisement excluding reflected routes, or force to set the next hop to itself for route advertisement including reflected routes. The default setting is auto.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn nexthop-setting force

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn policy inbound route-map

Configures the route map to use for inbound EVPN policies.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn policy inbound route-map myroutemap

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn policy outbound route-map

Provides the route map to use for outbound EVPN policies.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn policy outbound route-map myroutemap

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nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn policy outbound unsuppress-map

Configures the route map you want to use to unsuppress EVPN routes selectively when advertising to this neighbor; these are routes that have been suppressed due to aggregation configuration.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn policy outbound unsuppress-map none

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn prefix-limits inbound maximum

Configures the maximum number of inbound prefixes allowed from the BGP neighbor for EVPN. You can set a value between 0 and 4294967295 or none.

Command Syntax

Version History

Introduced in Cumulus Linux 5.10.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn prefix-limits inbound maximum 2

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn prefix-limits inbound reestablish-wait

Configures the time in seconds to wait before reestablishing the BGP session with a neighbor. The default value is auto, which uses standard BGP timers and processing (typically between 2 and 3 seconds). You can set a value between 1 and 65535.

Command Syntax

Version History

Introduced in Cumulus Linux 5.10.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn prefix-limits inbound reestablish-wait 60

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn prefix-limits inbound warning-only

Configures the switch to generate a warning syslog message only when the number of BGP prefixes from the neighbor exceeds a percentage of the maximum limit but does not bring down the BGP session. You can specify on or off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.10.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn prefix-limits inbound warning-only on

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn prefix-limits warning-threshold

Configures when to generate a warning syslog message and bring down the BGP session (if warning-only is set to off) when the number of BGP prefixes from the neighbor exceeds a percentage of the maximum limit. For example, if the maximum prefix limit is 3 and the warning threshold is 60, the switch generates a warning message when the number of BGP prefixes from the BGP neighbor is more than 60 percent of 20 (12 prefixes). You can set a value between 0 and 100.

Command Syntax

Version History

Introduced in Cumulus Linux 5.10.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn prefix-limits inbound warning-threshold 50

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn route-reflector-client

Configures the BGP node as a route reflector for the BGP neighbor for EVPN. The default setting is off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.10.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn route-reflector-client on

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn route-server-client

Configures the BGP node as a route server for the BGP neighbor for EVPN. The default setting is off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.10.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn route-server-client on

nv set vrf <vrf-id> router bgp neighbor <neighbor-id> address-family l2vpn-evpn soft-reconfiguration

Turns on soft configuration so that received EVPN routes from the neighbor that are rejected by inbound policy are still stored. This allows policy changes to take effect without any exchange of BGP updates. The default setting is off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.10.0

Example

cumulus@switch:~$ nv set vrf default router bgp neighbor swp51 address-family l2vpn-evpn soft-reconfiguration on

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn add-path-tx

Configures BGP to advertise more than just the best path for an EVPN prefix. You can specify all-paths to advertise all known paths to the peers in the peer group or best-per-as to advertise only the best path learned from each AS. The default setting is off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn add-path-tx best-per-as

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn aspath allow-my-asn enable

Configures BGP to allow a received AS path to contain the ASN of the local system.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn aspath allow-my-asn enable on

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn aspath allow-my-asn occurrences

Indicates the maximum number of times you can receive the ASN of the local system in the received AS_PATH.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group SPINES address-family l2vpn-evpn aspath allow-my-asn occurrences 50

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn aspath allow-my-asn origin

Configures BGP to allow a received AS path to contain the ASN of the local system only if it is the originating AS.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group SPINES address-family l2vpn-evpn aspath allow-my-asn origi on 

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn aspath private-as

Configures what action to take with private ASNs. You can specify none to take no action, remove, to remove any private ASNs in the update to the peers in the peer group, or replace to replace any private ASNs in the update to the peers with the ASN of the local system.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn aspath private-as  replace

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn aspath replace-peer-as

Configures BGP to replace the AS path in an outgoing update that contains the ASN of the peers in the peer group with the ASN of the local system.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn aspath replace-peer-as on

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn attribute-mod aspath

Configures BGP to follow normal EVPN BGP procedures when generating the AS_PATH attribute for the peer group in the specified VRF. You can specify on or off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn attribute-mod aspath on

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn attribute-mod med

Configures BGP to follow normal BGP procedures when generating the MED attribute for the specified peer group. You can specify on or off. If you set this attribute to off, BGP does not change the MED when sending an update to the peer group.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn attribute-mod med on

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn attribute-mod nexthop

Configures BGP to follow normal BGP procedures when generating the NEXT_HOP attribute for the specified peer group. You can specify on or off. If you set this attribute to off, BGP does not change NEXT_HOP when sending an update to the peer group.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn attribute-mod nexthop on

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn enable

Turns EVPN on or off for the BGP peer group. The default setting is off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn enable on

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn nexthop-setting

Configures the BGP next hop value of advertised EVPN routes for the peers in the peer group. You can specify auto to follow regular BGP next hop determination rules, self to set the next hop to itself for route advertisement excluding reflected routes, or force to set the next hop to itself for route advertisement including reflected routes. The default setting is auto.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn nexthop-setting self

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn policy inbound route-map

Configures the EVPN route map you want to apply to updates received from the peers in the peer group.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn policy inbound route-map routemap1

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn policy outbound route-map

Configures the EVPN route map you want to apply to updates sent to the peers in the peer group.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn policy outbound route-map routemap2

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn policy outbound unsuppress-map

Configures the route map you want to use to unsuppress EVPN routes selectively when advertising to the peers in the peer group; these are routes that have been suppressed due to aggregation configuration.

Command Syntax

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn policy outbound unsuppress-map map3

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn prefix-limits inbound maximum

Configures the maximum number of inbound prefixes allowed from the BGP peers in the peer group for EVPN. You can set a value between 0 and 4294967295 or none.

Command Syntax

Version History

Introduced in Cumulus Linux 5.10.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn prefix-limits inbound maximum 2

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn prefix-limits inbound reestablish-wait

Configures the time in seconds to wait before reestablishing the BGP session with the peers in the peer group. The default value is auto, which uses standard BGP timers and processing (typically between 2 and 3 seconds). You can set a value between 1 and 65535.

Command Syntax

Version History

Introduced in Cumulus Linux 5.10.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn prefix-limits inbound reestablish-wait 60

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn prefix-limits inbound warning-only

Configures the switch to generate a warning syslog message only when the number of BGP prefixes from the peers in the peer group exceeds a percentage of the maximum limit but does not bring down the BGP session. You can specify on or off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.10.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn prefix-limits inbound warning-only on

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn prefix-limits warning-threshold

Configures when to generate a warning syslog message and bring down the BGP session (if warning-only is set to off) when the number of BGP prefixes from the peers in the peer group exceeds a percentage of the maximum limit. For example, if the maximum prefix limit is 3 and the warning threshold is 60, the switch generates a warning message when the number of BGP prefixes from the BGP peers is more than 60 percent of 20 (12 prefixes). You can set a value between 0 and 100.

Command Syntax

Version History

Introduced in Cumulus Linux 5.10.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn prefix-limits inbound warning-threshold 50

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn route-reflector-client

Configures the BGP node as a route reflector for the BGP peers in the peer group for EVPN. The default setting is off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.10.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn route-reflector-client on

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn route-server-client

Configures the BGP node as a route server for the BGP peers in the peer group for EVPN. The default setting is off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.10.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn route-server-client on

nv set vrf <vrf-id> router bgp peer-group <peer-group-id> address-family l2vpn-evpn soft-reconfiguration

Turns on soft configuration so that received EVPN routes from the peers in the peer group that are rejected by inbound policy are still stored. This allows policy changes to take effect without any exchange of BGP updates. The default setting is off.

Command Syntax

Version History

Introduced in Cumulus Linux 5.10.0

Example

cumulus@switch:~$ nv set vrf default router bgp peer-group underlay address-family l2vpn-evpn soft-reconfiguration on