Monitoring Active IPv6 Multicast Routes
Purpose
Display the active multicast routes.
- You can specify a multicast group IPv6 address or both a multicast group IPv6 address and a multicast source IPv6 address to display information about particular multicast forwarding entries.
- You can specify the bandwidth threshold to display the active multicast routes with admission bandwidth greater than the specified bandwidth threshold. The default bandwidth threshold is 4000 bps.
- You can use the summary option to see a summary rather than a detailed description.
- You can use the count option to display the number of active multicast forwarding entries.
- You can use the oif-detail option to display the details of the join interfaces corresponding to the mapped interface when oif-mapping is configured.
- You can use the statistics option to display statistics for packets received through all active multicast forwarding entries that the router has added to the multicast routing table and established on the appropriate line modules.
Action
To display the active multicast routes with admission bandwidth above 10000 bps:
host1#show ipv6 mroute active 10000 Active IP Multicast Routes >=10000 bps
(S, G) uptime d h:m:s[, expires d h:m:s]
[Admission bandwidth: bps]
[QoS bandwidth: bps]
RPF route: addr/mask, incoming interface
neighbor address, owner route-owner
Incoming interface list:
Interface (addr/mask), State/Owner [(RPF IIF)]
Outgoing interface list:
Interface (addr/mask), State/Owner, Uptime/Expires
(52::1, ff3e::1) uptime 0 00:01:07
Admission bandwidth: 47000 bps (adaptive)
QoS bandwidth: 47000 bps (adaptive)
RPF route: 52::/112, incoming interface ATM2/1.17
neighbor 17::2, owner NetmgmtRpf
Incoming interface list:
ATM2/1.17 (fe80::90:1a00:3140:1ff8/128), Accept/MLD (RPF IIF)
Outgoing interface list:
NULL
Counts: 1 (S, G) entries
0 (*, G) entries
To display the summary of active multicast routes:
host1#show ipv6 mroute summary active Active IP Multicast Routes >=4000 bps
Group Address Source Address RPF route RPF Iif #Oifs
--------------- ------------ ----------- --------- -----
232.0.0.1 51.0.0.1 51.0.0.0/24 ATM3/1.17 0
232.0.0.2 51.0.0.1 51.0.0.0/24 ATM3/1.17 0
232.0.0.3 51.0.0.1 51.0.0.0/24 ATM3/1.17 0
Counts: 3 (S, G) entries
0 (*, G) entries
Meaning
Table 1 lists the show ipv6 mroute active and show ipv6 mroute summary active commands output fields.
Table 1: show ipv6 mroute active and show ipv6 mroute summary active Output Fields
Field Name | Field Description |
|---|---|
(S,G) | IPv6 addresses of the multicast source and the multicast group |
Uptime | Length of time that the (S,G) pair has been active, in days hours:minutes:seconds format |
Expires | Length of time for which the (S,G) pair will be active, in days hours:minutes:seconds format |
Admission bandwidth | Admission bandwidth (in bps) |
QoS bandwidth | QoS bandwidth (in bps) |
RPF Route | IPv6 address and prefix of the RPF route |
Incoming interface | Type and specifier of the incoming interface for the RPF route |
neighbor address | IPv6 address of the neighbor |
owner | Owner of the route:
|
Incoming interface list | List of incoming interfaces on the router. Details include:
|
Outgoing interface list | List of outgoing interfaces on the router. Details include:
|
Counts | Numbers of types of source group mappings:
|
Group Address | IP address of the multicast group |
Source Address | IP address of the multicast source |
RPF Iif | Type and identifier for the incoming interface for the RPF route |
#Oifs | Number of outgoing interfaces |
