display multicast frr-table

Function

The display multicast frr-table command displays (S, G) entry information of multicast FRR.

Format

display multicast frr-table [ source source-address group group-address ] [ vpn-instance vpn-instance-name ]

display multicast frr-table ipv6 [ source source-ipv6 group group-ipv6 ] vpn-instance vpn-instance-name

Parameters

Parameter	Description	Value
source source-address	Specifies a multicast source address.	The value is in dotted decimal notation.
group group-address	Specifies a multicast group address.	The value is in dotted decimal notation, the value ranges from 224.0.0.0 to 239.255.255.255.
vpn-instance vpn-instance-name	Specifies a VPN instance name.	The value is a string of 1 to 31 case-sensitive characters.
source-ipv6	Specifies the IPv6 address of a multicast source.	The value is a 32-digit hexadecimal number, in the format of X:X:X:X:X:X:X:X.
group-ipv6	Specifies the IPv6 address of a multicast group.	The value ranges from FF00::0 to FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF.

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
forwarding	read

Usage Guidelines

Usage Scenario

To check source-specific groups for which multicast FRR is enabled, run the display multicast frr-table command. If multicast FRR is enabled, information about the master and backup inbound interfaces will be displayed.

Example

The actual command output varies according to the device. The command output here is only an example.

# Display multicast FRR entry information in an NGMPVN 1+1 protection scenario.

<HUAWEI> display multicast frr-table source 10.10.1.2 group 225.0.0.1 vpn-instance vpna
MID:20954, Status:Dynamic
Primary Rootip: 1.1.1.1
Backup Rootip: 1.1.1.4
Receive Rootip: Primary

# Display whether an (S, G) entry is manually or dynamically created in multicast FRR.

<HUAWEI> display multicast frr-table
Total Entry(s) : 2
--------------------------------------------------------
(Source, Group)           Status
--------------------------------------------------------
(1.1.1.1,226.1.1.2)      Static
(2.1.1.1,225.0.0.1)      Dynamic
--------------------------------------------------------

# Display multicast FRR entry information.

<HUAWEI> display multicast frr-table source 1.1.1.1 group 226.1.1.2
MID: 4, BakMID: 6, Status: Static   
Primary Incoming interface: Gigabitethernet0/1/2 
Backup Incoming interface: GigabitEthernet0/1/0 
Receive interface:Primary

# Display multicast FRR entry information in an IPv6 NGMPVN 1+1 protection scenario.

<HUAWEI> display multicast frr-table ipv6 source 102:1:1:1::2 group FF1E::1 vpn-instance vpna
MID:1090, Status:Dynamic
Primary Rootip: 1:1::1
Backup Rootip: 4:1::4
Receive Rootip: Primary

**Table 1** Description of the **display multicast frr-table** command output
Item	Description
Primary Incoming interface	Master inbound interface.
Primary Rootip	Primary root ip.
Backup Incoming interface	Backup inbound interface.
Backup Rootip	Backup root ip.
Receive interface	Interface being used to receive traffic.
Receive Rootip	Root IP being used to receive traffic.
Total Entry(s)	Total number of multicast groups for which multicast FRR is enabled.
(Source, Group)	Multicast source and group addresses.
Status	Whether an (S, G) entry is manually or dynamically created: Static: manually added. Dynamic: dynamically learned.
MID	ID of the master MDT.
BakMID	ID of the backup MDT.