EVPN Commands

This section describes the commands used to configure Ethernet VPN (EVPN) services for Layer 2 VPNs.

advertise-mac

To advertise local MAC to the peers, use advertise-mac command in the EVPN configuration mode. The local MAC is advertised to the peer in control plane using BGP.

advertise-mac

Syntax Description

This command has no keywords or arguments.

Command Default

None

Command Modes

EVPN

Command History

Release Modification
Release 7.11.1

This command was introduced.

Usage Guidelines

No specific guidelines impact the use of this command.

Examples

The following example shows how to advertise local MAC. 


Router(config)# evpn
Router(config-evpn)# interface Bundle-Ether 1
Router(config-evpn-ac)# exit
Router(config-evpn)# evi 2001
Router(config-evpn-instance)# advertise-mac
Router(config-evpn-instance-mac)# commit

convergence reroute

To enable the switchover of a failed primary link from one PE device to another by redirecting the unicast traffic to backup peer , use the convergence reroute command in the EVPN interface Ethernet segment configuration mode.

convergence reroute

Syntax Description

This command has no keywords or arguments.

Command Default

None

Command Modes

EVPN interface Ethernet segment configuration mode

Command History

Release Modification

Release 24.3.1

This command was introduced.

Usage Guidelines

No specific guidelines impact the use of this command.

Task ID

Task ID Operation

l2vpn

read, write

Examples

This example shows how to redirect the unicast traffic to backup peer.


Router(config)# evpn
Router(config-evpn)# interface Bundle-Ether1
Router(config-evpn-ac)# ethernet-segment
Router(config-evpn-ac-es)# identifier type 0 00.00.00.00.00.00.05.01.02
Router(config-evpn-ac-es)# convergence reroute

core-isolation-group

To configure EVPN core isolation group after the core interfaces fail, use the core-isolation-group command in the EVPN Timers configuration mode.

core-isolation-group group-id

Syntax Description

group-id

Specifies the core isolation group ID. The range is from 1 to 4294967295.

Command Default

None.

Command Modes

EVPN configuration mode

Command History

Release Modification
Release 7.11.1

This command was introduced.

Usage Guidelines

No specific guidelines impact the use of this command.

Examples

This example shows how to configure the EVPN core isolation group.


Router# configure
Router(config-evpn)# interface bundle-Ether 43001
Router(config-evpn-ac)# core-isolation-group 43001
Router(config-evpn-ac)# commit

ethernet-segment

To enter the EVPN interface ethernet segment configuration mode, use the ethernet-segment command in the EVPN interface configuration mode. To disable the Ethernet segment configuration, use the no form of this command.

ethernet-segment [ backbone-source-mac | identifier | load-balancing-mode | service-carving ]

no ethernet-segment [ backbone-source-mac | identifier | load-balancing-mode | service-carving ]

Syntax Description

backbone-source-mac

Specifies Backbone Source MAC.

identifier

Specifies Ethernet Segment Identifier.

load-balancing-mode

Specifies load balancing mode.

service-carving

Specifies service carving.

Command Default

None.

Command Modes

EVPN interface configuration

Command History

Release Modification
Release 7.11.1

This command was introduced.

Usage Guidelines

No specific guidelines impact the use of this command.

Task ID

Task ID Operation

l2vpn

read, write

Examples

This example shows how to enter the EVPN interface ethernet segment configuration mode: 


Router# configure
Router(config)# evpn
Router(config-evpn)# interface bundle-ether 1
Router(config-evpn-ac)# ethernet-segment
Router(config-evpn-ac-es)#

etree rt-leaf

To enable EVPN instance as EVPN E-Tree leaf site using BGP Route Target (RT) import and export policies, use the etree rt-leaf command in the EVPN EVI configuration submode.

etree rt-leaf

Syntax Description

This command has no keywords or arguments.

Command Default

None.

Command Modes

EVI configuration submode

Command History

Release Modification

Release 7.11.1

This command was introduced.

Usage Guidelines

No specific guidelines impact the use of this command.

Task ID

Task ID Operation

l2vpn

read, write

Examples

This example shows how to designate EVPN instance as EVPN E-Tree Route-Target leaf site.


Router(config)# evpn
Router(config-evpn)# evi 15
Router(config-evpn-instance)# etree
Router(config-evpn-instance-etree)# rt-leaf

evi

To enter the EVPN EVI configuration mode and configure BGP settings for a bridge domain or EVI, use the evi command in the EVPN configuration mode.

evi evi-id

Syntax Description

evi-id

Specifies the Ethernet VPN ID to set. The range is from 1 to 65534.

Command Default

None.

Command Modes

EVPN configuration mode

Command History

Release Modification
Release 7.11.1

This command was introduced.

Usage Guidelines

Use this command to configure static BGP route distinguisher or BGP route target for an EVI.

Task ID

Task ID Operation

l2vpn

read, write

Examples

This example shows how to enter the EVPN EVI configuration mode:


Router# configure
Router(config)# evpn
Router(config-evpn)# evi 2

evpn

To enter EVPN configuration mode, use the evpn command in the global configuration mode. To return to the global configuration mode, use the no form of this command.

evpn [ bgp | evi | interface | timers ]

no evpn [ bgp | evi | interface | timers ]

Syntax Description

bgp

Configures BGP.

evi

Configures Ethernet VPN ID (EVI).

interface

Assigns an interface to EVPN.

timers

Configures global EVPN timers.

Command Default

None.

Command Modes

Global configuration

Command History

Release Modification
Release 7.11.1

This command was introduced.

Usage Guidelines

No specific guidelines impact the use of this command.

Task ID

Task ID Operation

l2vpn

read, write

Examples

This example shows how to enter the EVPN configuration mode:


Router# configure
Router(config)# evpn
Router(config-evpn)#

host mac-address duplicate-detection

To enable duplicate detection of host MAC address, use the host mac-address duplicate-detection command in the EVPN configuration mode.

host mac-address duplicate-detection [ freeze-time freeze-time | move-count move-count | move-interval move-interval | retry-count retry-count | infinity | reset-freeze-count-interval interval ] disable

Syntax Description

freeze-time freeze-time

Length of time to lock the MAC address after it has been detected as duplicate. Default is 30 seconds.

move-count move-count

Number of moves to occur witin the specified move-interval before freezing the MAC address. Default is 5.

move-interval move-interval

Interval to watch for subsequent MAC moves before freezing the MAC address. Default is 180 seconds.

retry-count retry-count

Number of times to unfreeze an MAC address before freezing it permanently. Default is three times.

infinite

Infinite retry count. Prevents freezing of the duplicate MAC address permanently.

reset-freeze-count-interval interval

Interval after which the count of duplicate detection events is reset. Default is 24 hours. The range is from is 1 hour to 48 hours.

disable

Disable duplicate detection of MAC addresses.

Command Default

None

Command Modes

EVPN configuration mode

Command History

Release Modification
Release 7.11.1

This command was introduced.

Usage Guidelines

None

Task ID

Task ID Operation

l2vpn

read, write

Examples

This example shows how to enable duplicate detection of host MAC address:


Router# configure
Router(config)# evpn
Router(config-evpn)# host MAC-address duplicate-detection
Router(config-evpn-host-mac-addr-dup-detection)# move-count 2
Router(config-evpn-host-mac-addr-dup-detection)# freeze-time 10 
Router(config-evpn-host-mac-addr-dup-detection)# retry-count 2
Router(config-evpn-host-mac-addr-dup-detection)# commit

This example shows how to prevent permanent freezing of duplicate host MAC address: 


Router# configure
Router(config)# evpn
Router(config-evpn)# host MAC-address duplicate-detection
Router(config-evpn-host-mac-addr-dup-detection)# retry-count infinity
Router(config-evpn-host-mac-addr-dup-detection)# commit

This example shows how to reset the interval after which the count of duplicate detection events are permanently frozen. 


Router# configure
Router(config)# evpn
Router(config-evpn)# host MAC-address duplicate-detection
Router(config-evpn-host-mac-addr-dup-detection)# reset-freeze-count-interval 20
Router(config-evpn-host-mac-addr-dup-detection)# commit

show bgp l2vpn evpn

To display BGP routes associated with EVPN under L2VPN address family, use the show bgp l2vpn evpn command in EXEC mode.

show bgp l2vpn evpn {bridge-domain bridge-domain-name | rd {all | IPv4 address:nn | 4-byte as-number:nn | 2-byte as-number:nn}}

Syntax Description

bridge-domain bridge-domain-name

Displays the bridges by the bridge ID. The bridge-domain-name argument is used to name a bridge domain.

rd

Displays routes with specific route distinguisher.

all

Displays specified routes in all RDs.

IPv4 address:nn

Specifies the IPv4 address of the route distinguisher.

nn: 16-bit number

4-byte as-number:nn

Specifies 4-byte AS number in asdot (X.Y) format or in asplain format.

  • For 4-byte AS number in asdot (X.Y) format, the range is from 1 to 65535. The format is: <1-65535>.<0-65535>:<0-65535>

  • For 4-byte AS number in asplain format, the range is from 65536 to 4294967295. The format is: <65536-4294967295>:

nn: 32-bit number

2-byte as-number:nn

Specifies 2-byte as-number. The range is from 1 to 65535.

nn: 32-bit number

Command Default

None

Command Modes

EXEC

Command History

Release Modification

Release 7.11.1

This command was introduced.

Usage Guidelines

No specific guidelines impact the use of this command.

Task ID

Task ID Operation
bgp

read

Examples

This sample output shows the BGP routes associated with EVPN with bridge-domain filter: 

show bgp l2vpn evpn bridge-domain bd1 
Network            Next Hop            Metric LocPrf Weight Path
Route Distinguisher: 192.0.2.1:1 (default for vrf bd1)
*>i[1][0077.0000.0000.0000.0001][0]/120
                      198.51.100.1                  100      0 i
*>i[1][0077.0000.0000.0000.0001][4294967295]/120
                      198.51.100.1                  100      0 i
*>i[1][0088.0000.0000.0000.0001][0]/120
                      203.0.113.1                   100      0 i
* i                   209.165.200.225               100      0 i
*>i[1][0088.0000.0000.0000.0001][4294967295]/120
                      203.0.113.1                   100      0 i
* i                   209.165.200.225               100      0 I
*  [2][0][48][0001.0000.0001][0]/104
*>                    209.165.201.1                          0 101 i
*>i[2][0][48][0002.0000.0001][0]/104
                      203.0.113.1                   100      0 102 i
* i                   209.165.200.225               100      0 102 i
*>i[3][0][32][203.0.113.1]/80
                      203.0.113.1                   100      0 i
*>i[3][0][32][209.165.200.225]/80
                      209.165.200.225               100      0 i

load-balancing-mode

To enable the load-balancing mode, use the load-balancing-mode command in the EVPN interface configuration mode. To disable the load-balancing mode, use the no form of this command.

load-balancing-mode { port-active | single-active | single-flow-active }

Syntax Description

port-active

Enables the port-active load-balancing mode

single-active

Enables the single-active load-balancing mode.

single-flow-active

Enables the single-flow-active load-balancing mode.

Command Default

None

Command Modes

EVPN configuration mode

Command History

Release Modification

Release 24.2.11

This command was introduced.

Usage Guidelines

No specific guidelines impact the use of this command.

Task ID

Task ID Operation

l2vpn

read, write

Examples

This example shows how to enable the single-active load-balancing mode:


Router# configure
Router(config)# evpn
Router(config-evpn)# ethernet-segment 
Router(config-evpn-es)# load-balancing-mode single-active

This example shows how to enable the single-flow-active load-balancing mode:


Router# configure
Router(config)# evpn
Router(config-evpn)# ethernet-segment 
Router(config-evpn-es)# load-balancing-mode single-flow-active

show evpn ethernet-segment

To display the EVPN Ethernet segment information, use the show evpn ethernet-segment command in the EXEC mode.

show evpn ethernet-segment [ detail | esi | interface | location | private | standby | carving ]

Syntax Description

detail

Displays detailed information.

esi

Filters by Ethernet Segment identifier.

interface

Filters by interface name.

location

Displays location specific information.

private

Displays private information.

standby

Displays standby node specific information.

Command Default

None.

Command Modes

EXEC

Command History

Release Modification
Release 7.11.1

This command was introduced.

Usage Guidelines

No specific guidelines impact the use of this command.

Task ID

Task ID Operation

l2vpn

read

Examples

This sample output shows the EVPN Ethernet segment detailed information: 


Router# show evpn ethernet-segment interface HundredGigE 0/0/0/24 detail
 
Ethernet Segment Id    Interface            Nexthops
--------------------   ----------           ----------
N/A                    HundredGigE 0/0/0/24 10.0.0.1
……………
Topology :
Operational : SH

show evpn evi

To display the EVPN E-VPN ID information, use the show evpn evi command in the EXEC mode.

show evpn evi [ bridge-domain | detail | inclusive-multicast | location | mac | standby | vpn-id ]

Syntax Description

bridge-domain

Displays information for a specified bridge-domain..

detail

Displays detailed information.

inclusive-multicast

Displays EVPN Inclusive Multicast information.

location

Displays location specific information.

mac

Displays EVI MAC route associated configuration information.

standby

Displays standby node specific information.

vpn-id

Displays information for a specified E-VPN Identifier.

Command Default

None.

Command Modes

EXEC

Command History

Release Modification

Release 7.11.1

This command was introduced.

Usage Guidelines

No specific guidelines impact the use of this command.

Task ID

Task ID Operation

l2vpn

read

Examples

This sample output shows the EVPN EVI information with the VPN-ID and MAC address filter: 


Router#show evpn evi vpn-id 185 mac 0024.be03.ce01
MAC address    Nexthop                                 Label    vpn-id
-------------- --------------------------------------- -------- --------
0024.be03.ce01 3.100.100.100                           16004    185     
               4.100.100.100                           16004    185     
   ESI port key : 0x0000
   Source       : Remote
   Flush Count  : 0

This sample output shows the EVPN EVI information with the VPN-ID and inclusive-multicast filter: 


Router#show evpn evi vpn-id 185 inclusive-multicast service-id 1850312 orig-ip 1.100.100.100
ISID           Originating IP                 vpn-id    
-------------- ------------------------------ ----------
1850312        1.100.100.100                            185     
1850312        2.100.100.100                            185     
1850312        3.100.100.100                            185     
1850312        4.100.100.100                            185
This sample output shows the EVPN EVI inclusive-multicast information: 

Router#show evpn evi inclusive-multicast detail
ISID: 1850312, Originating IP: 1.100.100.100                            185     
    Nexthop: ::                                      
    Label  : 16005   
    Source : Local
ISID: 1850312, Originating IP: 2.100.100.100                            185     
    Nexthop: 2.100.100.100                           
    Label  : 16005   
    Source : Remote
ISID: 1850312, Originating IP: 3.100.100.100                            185     
    Nexthop: 3.100.100.100                           
    Label  : 16005   
    Source : Remote
ISID: 1850312, Originating IP: 4.100.100.100                            185     
    Nexthop: 4.100.100.100                           
    Label  : 16005   
    Source : Remote
This sample output shows the EVPN EVI information with the bridge-domain filter: 

Router#show evpn evi bridge-domain tb1-core1 detail
EVI        Bridge Domain                Type   
---------- ---------------------------- -------
145        tb1-core1                    PBB 
165        tb1-core2                    PBB 
185        tb1-core3                    PBB 
65535      ES:GLOBAL                    BD
This sample output shows the EVPN EVI detailed information: 

Router#show evpn evi detail
EVI        Bridge Domain                Type   
---------- ---------------------------- -------
145        tb1-core1                    PBB 
   Unicast Label  : 16000
   Multicast Label: 16001
   RD Config: none
   RD Auto  : (auto) 1.100.100.100:145
   RT Auto  : 100:145
   Route Targets in Use           Type   
   ------------------------------ -------
   100:145                        Import 
   100:145                        Export 

165        tb1-core2                    PBB 
   Unicast Label  : 16002
   Multicast Label: 16003
   RD Config: none
   RD Auto  : (auto) 1.100.100.100:165
   RT Auto  : 100:165
   Route Targets in Use           Type   
   ------------------------------ -------
   100:165                        Import 
   100:165                        Export 

185        tb1-core3                    PBB 
   Unicast Label  : 16004
   Multicast Label: 16005
   RD Config: none
   RD Auto  : (auto) 1.100.100.100:185
   RT Auto  : 100:185
   Route Targets in Use           Type   
   ------------------------------ -------
   100:185                        Import 
   100:185                        Export 

65535      ES:GLOBAL                    BD  
   Unicast Label  : 0
   Multicast Label: 0
   RD Config: none
   RD Auto  : (auto) 1.100.100.100:0
   RT Auto  : none
   Route Targets in Use           Type   
   ------------------------------ -------
   0100.9e00.0210                 Import 
   0100.be01.ce00                 Import 
   0100.be02.0101                 Import

show evpn summary

To display the EVPN summary, use the show evpn summary command in the EXEC mode.

show evpn summary [location | private | standby]

Syntax Description

location

Displays location specific information.
private

Displays private information.
standby

Displays standby node specific information.

Command Default

None.

Command Modes

EXEC

Command History

Release Modification
Release 7.11.1

This command was introduced.

Usage Guidelines

No specific guidelines impact the use of this command.

Task ID

Task ID Operation

l2vpn

read

Examples

This sample output shows the EVPN summary:


Router#show evpn summary
-----------------------------
Global Information
-----------------------------
Number of EVIs                : 1
Number of Local MAC Routes    : 1
Number of Remote MAC Routes   : 0
Number of Local IMCAST Routes : 0
Number of Remote IMCAST Routes: 0
Number of Internal Labels     : 0
Number of ES Entries          : 0
BGP Router ID                 : ::
BGP ASN                       : Invalid
PBB BSA MAC address           : f866.f214.abd7
Global peering timer          :     45 seconds
Global recovery timer         :     20 seconds
Global programming timer      :   1500 microseconds
Global flushagain timer       :     60 seconds
-----------------------------
High Availability Information
-----------------------------
BGP EOD                       : N
Number of Marked MAC Routes   : 0
Number of Swept MAC Routes    : 0
Number of Marked IMCAST Routes: 0
Number of Swept IMCAST Routes : 0