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09-Multicast VPN Commands

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Multicast VPN configuration commands······································································································································· 1

display bgp mdt group·················································································································································· 1

display bgp mdt peer····················································································································································· 3

display bgp mdt routing-table······································································································································ 6

display multicast-domain vpn-instance share-group······························································································· 8

display multicast-domain vpn-instance switch-group receive················································································ 9

display multicast-domain vpn-instance switch-group send················································································· 11

ipv4-family mdt······························································································································································· 13

multicast-domain holddown-time································································································································ 13

multicast-domain log switch-group-reuse················································································································· 14

multicast-domain share-group····································································································································· 14

multicast-domain switch-delay···································································································································· 15

multicast-domain switch-group-pool·························································································································· 16

peer enable (BGP-MDT sub-address family view)······························································································· 17

peer group (BGP-MDT sub-address family view)································································································· 18

peer reflect-client (BGP-MDT sub-address family view)······················································································· 19

reflect between-clients (BGP-MDT sub-address family view)············································································· 19

reflector cluster-id (BGP-MDT sub-address family view)······················································································ 20

reset bgp mdt·································································································································································· 21

Multicast VPN configuration commands

The term "router" in this document refers to both routers and Layer 3 switches.

display bgp mdt group

Syntax

display bgp mdt group [ group-name ] [ | { begin | exclude | include } regular-expression ]

View

Any view

Default level

1: Monitor level

Parameters

group-name: Specifies a BGP MDT peer group. A group name is a case-sensitive string of 1 to 47 characters and must not contain any space.

|: Filters command output by specifying a regular expression. For more information about regular expressions, see Fundamentals Configuration Guide.

begin: Displays the first line that matches the specified regular expression and all lines that follow.

include: Displays all lines that match the specified regular expression.

regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.

Description

Use display bgp mdt group to display the information of a BGP MDT peer group.

Examples

# Display the information of the BGP MDT peer group test.

<Sysname> display bgp mdt group test

BGP peer-group is test

Remote AS 2004

Type : external

Maximum allowed prefix number: 4294967295

Threshold: 75%

Configured hold timer value: 180

Keepalive timer value: 60

Minimum time between advertisement runs is 30 seconds

Connect-interface has been configured

Multi-hop ebgp been enabled

Peer Preferred Value: 0

No routing policy is configured

Members:

Peer AS MsgRcvd MsgSent OutQ PrefRcv Up/Down State

2.2.2.1 2004 0 0 0 0 00:01:21 Active

Table 1 Command output

Field	Description
BGP peer-group	BGP peer group name.
Remote AS	AS number of the peer group.
Type	Type of the peer group: · External—EBGP peer group. · Internal—IBGP peer group.
Maximum allowed prefix number	Maximum number of allowed prefixes.
Threshold	Percentage of received prefixes from the peer group to maximum prefixes allowed to receive from the peer group.
Configured hold timer value	Holdtime interval.
Keepalive timer value	Keepalive interval.
Minimum time between advertisement runs	Minimum route advertisement interval.
Connect-interface has been configured	The source interface for TCP connection is configured.
Multi-hop ebgp been enabled	The hop count of the peer's TCP connection can exceed 1 but cannot exceed the configured limit.
Peer Preferred Value	Preferred value specified for the routes from the peer.
Members	Detailed information about the members in the peer group.
Peer	IP address of the peer.
AS	AS number of the peer.
MsgRcvd	Number of received messages.
MsgSent	Number of sent messages.
OutQ	Number of messages to be sent.
PrefRcv	Number of received prefixes.
Up/Down	Length of time since the session was established/time elapsed in the current state (before the session is established).
State	State of the peer: · Active—Waiting for reestablishing a TCP connection after an establishment failure. · Connect—A TCP connection is required but not established yet. · Established—A TCP connection is established. · Idle—No TCP connections are required after the peer relationship is configured. · Idle(Admin)—The peer is configured at the CLI not to require any TCP connection. · Openconfirm—Waiting for the keepalive message after receiving an open message. · Opensent—An open message is successfully sent to the peer.

display bgp mdt peer

Syntax

display bgp mdt peer [ [ ip-address ] verbose ] [ | { begin | exclude | include } regular-expression ]

View

Any view

Default level

1: Monitor level

Parameters

ip-address: Displays the information of the specified BGP MDT peer.

verbose: Displays detailed information.

|: Filters command output by specifying a regular expression. For more information about regular expressions, see Fundamentals Configuration Guide.

begin: Displays the first line that matches the specified regular expression and all lines that follow.

include: Displays all lines that match the specified regular expression.

regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.

Description

Use display bgp mdt peer to display BGP MDT peer information.

Examples

# Display detailed information about the BGP MDT peer 2.2.2.1.

<Sysname> display bgp mdt peer 2.2.2.1 verbose

Peer: 2.2.2.1 Local: 2.2.2.2

Type: IBGP link

BGP version 4, remote router ID 1.1.1.1

BGP current state: Established, Up for 00h01m51s

BGP current event: RecvKeepalive

BGP last state: OpenConfirm

Port: Local - 1029 Remote - 179

Configured: Active Hold Time: 180 sec Keepalive Time: 60 sec

Received : Active Hold Time: 180 sec

Negotiated: Active Hold Time: 180 sec Keepalive Time:60 sec

Peer optional capabilities:

Peer support bgp multi-protocol extended

Peer support bgp route refresh capability

Address family IPv4 Unicast: advertised and received

Address family IPv4 MDT: advertised and received

Received: Total 5 messages, Update messages 1

Sent: Total 4 messages, Update messages 0

Maximum allowed prefix number: 4294967295

Threshold: 75%

Minimum time between advertisement runs is 30 seconds

Optional capabilities:

Route refresh capability has been enabled

Connect-interface has been configured

Multi-hop ebgp been enabled

Peer Preferred Value: 0

Routing policy configured:

No routing policy is configured

Table 2 Command output

Field	Description
Peer	IP address of the peer.
Local	Local router ID.
Type	Peer types: · IBGP link—IBGP peers. · EBGP link—EBGP peers.
remote router ID	Router ID of the peer.
BGP current state	Current state of the BGP peer: · Active—Waiting for reestablishing a TCP connection after an establishment failure. · Connect—A TCP connection is required but not established yet. · Established— A TCP connection is established between peers. · Idle—No TCP connections are required after the peer relationship is configured. · Idle(Admin)—The peer is configured at the CLI not to require any TCP connection. · Openconfirm—Waiting for the keepalive message after receiving an open message. · Opensent—An open message is successfully sent to the peer.
BGP current event	Current event of the peer: · AdvTimerExpired—The route advertisement timer expires. · ConnCloesed—The TCP connection is closed. · ConnOpen—A TCP connection is required. · ConnOpenFailed—Fail to establish a TCP connection. · CRTTimerExpired—The connect timer expires. · HOLDTimerExpired—The holdtime timer expires. · KATTimerExpired—The keepalive timer expires. · RecvKeepalive—A keepalive message is received from the peer. · RecvNotification—A notification message is received from the peer. · RecvOpen—An open message is received from the peer. · RecvRouteRefresh—A route-refresh message is received from the peer. · RecvUpdate—An update message is received from the peer. · Start—No TCP connections are required after the peer relationship is configured. · Stop—The peer is configured not to require any TCP connection at the CLI. · TransFatalError—A fatal mistake occurs during the establishment of the TCP connection.
BGP last state	Previous state of the peer: · Active—Waiting for reestablishing a TCP connection after an establishment failure. · Connect—A TCP connection is required but not established yet. · Established—A TCP connection is established between peers. · Idle—No TCP connections are required after the peer relationship is configured. · Idle(Admin)—The peer is configured at the CLI not to require any TCP connection. · Openconfirm—Waiting for the keepalive message after receiving an open message. · Opensent—An open message is successfully sent to the peer.
Port	Local and remote TCP port numbers for establishing a TCP connection.
Configured	Locally configured timer value: · Active Hold Time—The holdtime interval for the connection to the peer. · Keepalive Time—The keepalive interval for the connection to the peer.
Received	Received timer settings on the peer: Active Hold Time—The holdtime interval for the connection to the peer.
Negotiated	Negotiated timer settings: · Active Hold Time—The holdtime interval for the connection to the peer. · Keepalive Time—The keepalive interval for the connection to the peer.
Peer optional capabilities	Optional capabilities supported by the peer.
Peer support bgp multi-protocol extended	The peer supports multiprotocol BGP extensions.
Peer support bgp route refresh capability	The peer supports the BGP route refresh function.
Address family IPv4 Unicast: advertised and received	Routes are advertised and received in IPv4 unicast.
Address family IPv4 MDT: advertised and received	Routes are advertised and received in IPv4 multicasts.
Received	Total numbers of received packets and updates.
Sent	Total numbers of sent packets and updates.
Maximum allowed prefix number	Maximum number of allowed prefixes.
Threshold	Percentage of received prefixes from the peer group to maximum prefixes allowed to receive from the peer group.
Minimum time between advertisement runs	Minimum route advertisement interval.
Optional capabilities	Optional capabilities enabled by the peer.
Connect-interface has been configured	The source interface for TCP connection is configured.
Multi-hop ebgp been enabled	The hop count of the peer's TCP connection can exceed 1 but cannot exceed the configured limit.
Peer Preferred Value	Preferred value specified for the routes from the peer.
Routing policy configured	Local routing policy.

display bgp mdt routing-table

Syntax

display bgp mdt { all | route-distinguisher route-distinguisher } routing-table [ ip-address [ mask | mask-length ] ] [ | { begin | exclude | include } regular-expression ]

View

Any view

Default level

1: Monitor level

Parameters

all: Specifies all the BGP MDT routes.

route-distinguisher route-distinguisher: Specifies a route distinguisher. The route-distinguisher argument identifies the route distinguisher name, a string of 3 to 21 characters in the form of nn:nn or IP-address:nn.

ip-address: Specifies a destination IP address.

mask: Specifies a network mask, 225.225.225.225 by default.

mask-length: Specifies a mask length in the range 0 to 32. The default is 32.

|: Filters command output by specifying a regular expression. For more information about regular expressions, see Fundamentals Configuration Guide.

begin: Displays the first line that matches the specified regular expression and all lines that follow.

include: Displays all lines that match the specified regular expression.

regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.

Description

Use display bgp mdt all routing-table to display the BGP MDT routing information.

Examples

# Display all the BGP MDT routing information.

<Sysname> display bgp mdt all routing-table

BGP Local router ID is 2.2.2.2

Status codes: * - valid, ^ - VPNv4 best, > - best, d - damped,

h - history, i - internal, s - suppressed, S - Stale

Origin : i - IGP, e - EGP, ? - incomplete

Total number of MDT routes: 1

Route Distinguisher: 100:1

Network NextHop MED LocPrf PrefVal Path/Ogn

*> 1.1.1.1/32 3.3.3.3 0 100 10 ?

Table 3 Command output

Field	Description
Total number of MDT routes	Total number of MDT routes.
Network	MD source address displayed in the BGP routing table.
MED	Metric associated with the destination network.
LocPrf	Local preference value.
PrefVal	Preferred value of the route.
Path	AS_PATH attribute, recording the ASs the packet has passed to avoid routing loops.
Ogn	Origin attribute of the route: · i—The route is interior to the AS. Aggregate routes and the routes injected with the network command are considered IGP routes. · e—The route is learned from the EGP. · ?—The origin of the route is unknown, such as the MDT routes redistributed from other routing protocols.

display multicast-domain vpn-instance share-group

Syntax

display multicast-domain vpn-instance vpn-instance-name share-group { local | remote } [ | { begin | exclude | include } regular-expression ]

View

Any view

Default level

1: Monitor level

Parameters

vpn-instance-name: Name of an MPLS L3VPN instance, a case-sensitive string of 1 to 31 characters.

local: Displays the local share-group information.

remote: Displays the remote share-group information.

|: Filters command output by specifying a regular expression. For more information about regular expressions, see Fundamentals Configuration Guide.

begin: Displays the first line that matches the specified regular expression and all lines that follow.

include: Displays all lines that match the specified regular expression.

regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.

Description

Use display multicast-domain vpn-instance share-group to display the share-group information of the specified VPN instance in the MD.

Examples

# Display the local share-group information of VPN instance mvpn in the MD.

<Sysname> display multicast-domain vpn-instance mvpn share-group local

MD local share-group information for VPN-Instance: mvpn

Share-group: 225.2.2.2

MTunnel address: 1.1.1.1

# Display the remote share-group information of VPN instance mvpn in the MD.

<Sysname> display multicast-domain vpn-instance mvpn share-group remote

MD remote share-group information for VPN-Instance: mvpn

Route-Distinguisher Router-ID Share-Group Next-Hop

1:1 2.2.2.2 225.2.2.2 10.1.1.1

Table 4 Command output

Field	Description
MD local share-group information for VPN-Instance: mvpn	Local share-group information of VPN instance mvpn.
MD remote share-group information for VPN-Instance: mvpn	Remote share-group information of VPN instance mvpn.
Share-group	Share-group address.
MTunnel address	MTI address associated with the share-group address.
Router-ID	Router ID of the peer that sends the route information.
Next-Hop	IP address of the next hop.

display multicast-domain vpn-instance switch-group receive

Syntax

display multicast-domain vpn-instance vpn-instance-name switch-group receive [ brief | [ active | group group-address | sender source-address | vpn-source-address [ mask { mask-length | mask } ] | vpn-group-address [ mask { mask-length | mask } ] ] * ] [ | { begin | exclude | include } regular-expression ]

View

Any view

Default level

1: Monitor level

Parameters

vpn-instance-name: Specifies a name of an MPLS L3VPN instance, a case-sensitive string of 1 to 31 characters.

brief: Displays the brief switch-group information received by the specified VPN instance.

active: Displays the received switch-group information about active multicast domains.

group-address: Specifies a public network multicast group address in the range of 224.0.1.0 to 239.255.255.255.

source-address: Specifies a public network multicast source address.

vpn-source-address: Specifies a VPN multicast source address.

mask: Specifies the address subnet mask, 255.255.255.255 by default.

mask-length: Specifies the address mask length in the range of 0 to 32. The default is 32.

vpn-group-address: Specifies a VPN multicast group address in the range of 224.0.0.0 to 239.255.255.255.

|: Filters command output by specifying a regular expression. For more information about regular expressions, see Fundamentals Configuration Guide.

begin: Displays the first line that matches the specified regular expression and all lines that follow.

include: Displays all lines that match the specified regular expression.

regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.

Description

Use display multicast-domain vpn-instance switch-group receive to display the switch-group information received by the specified VPN instance in the MD.

Related commands: display multicast-domain vpn-instance switch-group send.

Examples

# Display switch-group information received by VPN instance mvpn in the MD.

<Sysname> display multicast-domain vpn-instance mvpn switch-group receive

MD switch-group information received by VPN-Instance: mvpn

Total 2 switch-groups for 8 entries

Total 2 switch-groups for 8 entries matched

switch group: 226.1.1.0 ref count: 4, active count: 2

sender: 172.100.1.1 active count: 1

(192.6.1.5, 239.1.1.1) expire time: 00:03:10 active

(192.6.1.5, 239.1.1.158) expire time: 00:03:10

sender: 181.100.1.1 active count: 1

(195.6.1.2, 239.1.2.12) expire time: 00:03:10 active

(195.6.1.2, 239.1.2.197) expire time: 00:03:10

switch group: 229.1.1.0 ref count: 4, active count: 2

sender: 185.100.1.1 active count: 1

(198.6.1.5, 239.1.3.62) expire time: 00:03:10 active

(198.6.1.5, 225.1.1.109) expire time: 00:03:10

sender: 190.100.1.1 active count: 1

(200.6.1.2, 225.1.4.80) expire time: 00:03:10 active

(200.6.1.2, 225.1.4.173) expire time: 00:03:10

# Display brief switch-group information received by VPN instance mvpn in the MD.

<Sysname> display multicast-domain vpn-instance mvpn switch-group receive brief

MD switch-group information received by VPN-Instance: mvpn

Total 2 switch-groups for 8 entries

Total 2 switch-groups for 8 entries matched

switch group: 226.1.1.0 ref count: 4, active count: 2

switch group: 229.1.1.0 ref count: 4, active count: 2

Table 5 Command output

Field	Description
MD switch-group information received by VPN-Instance: mvpn	Switch-group information received by VPN instance mvpn.
Total 2 switch-groups for 8 entries	Totally two switch-groups, corresponding to eight (S, G) entries.
Total 2 switch-groups for 8 entries matched	Totally two switch-groups are matched, corresponding to eight (S, G) entries.
switch group	Switch-group address received.
sender	BGP peer address of the PE device that sent the switch-group information.
ref count	Number of VPN multicast groups referenced by the switch-group.
active count	Number of active VPN multicast groups (multicast groups with active receivers) referenced by the switch-group.
expire time	Remaining time of the VPN (S, G) entry referenced by the switch-group.

display multicast-domain vpn-instance switch-group send

Syntax

display multicast-domain vpn-instance vpn-instance-name switch-group send [ group group-address | reuse interval | vpn-source-address [ mask { mask-length | mask } ] | vpn-group-address [ mask { mask-length | mask } ] ] * [ | { begin | exclude | include } regular-expression ]

View

Any view

Default level

1: Monitor level

Parameters

vpn-instance-name: Specifies a name of an MPLS L3VPN instance, a case-sensitive string of 1 to 31 characters.

group-address: Specifies a multicast group address in the range of 224.0.1.0 to 239.255.255.255.

reuse interval: Displays the information about switch-group reuses that took place during the specified length of time in seconds. The value range for the interval argument is 1 to 2147483647.