This section provides the following command output examples:
Sample Output from the show ipv6 mfib Command
The following example displays the forwarding entries and interfaces in the MFIB. The router is configured for fast switching, and it has a receiver joined to FF05::1 on Ethernet1/1 and a source (2001:DB8:1:1:20) sending on Ethernet1/2:
Router# show ipv6 mfib
IP Multicast Forwarding Information Base
Entry Flags: C - Directly Connected, S - Signal, IA - Inherit A flag,
AR - Activity Required, D - Drop
Forwarding Counts: Pkt Count/Pkts per second/Avg Pkt Size/Kbits per second
Other counts: Total/RPF failed/Other drops
Interface Flags: A - Accept, F - Forward, NS - Negate Signalling
IC - Internal Copy, NP - Not platform switched
SP - Signal Present
Interface Counts: FS Pkt Count/PS Pkt Count
(*,FF00::/8) Flags: C
Forwarding: 0/0/0/0, Other: 0/0/0
Tunnel0 Flags: NS
(*,FF00::/15) Flags: D
Forwarding: 0/0/0/0, Other: 0/0/0
(*,FF05::1) Flags: C
Forwarding: 2/0/100/0, Other: 0/0/0
Tunnel0 Flags: A NS
Ethernet1/1 Flags: F NS
Pkts: 0/2
(2001:DB8:1:1:200,FF05::1) Flags:
Forwarding: 5/0/100/0, Other: 0/0/0
Ethernet1/2 Flags: A
Ethernet1/1 Flags: F NS
Pkts: 3/2
(*,FF10::/15) Flags: D
Forwarding: 0/0/0/0, Other: 0/0/0
Sample Output from the show ipv6 mfib active Command
The following example displays statistics on the rate at which active IP multicast sources are sending information. The router is switching traffic from 2001:DB8:1:1:200 to FF05::1:
Router# show ipv6 mfib active
Active IPv6 Multicast Sources - sending >= 4 kbps
Group: FF05::1
Source: 2001:DB8:1:1:200
Rate: 20 pps/16 kbps(1sec), 0 kbps(last 128 sec)
Sample Output from the show ipv6 mfib count Command
The following example displays statistics from the MFIB about the group and source. The router is switching traffic from 2001:DB8:1:1:200 to FF05::1:
Router# show ipv6 mfib count
IP Multicast Statistics
54 routes, 7 groups, 0.14 average sources per group
Forwarding Counts: Pkt Count/Pkts per second/Avg Pkt Size/Kilobits per second
Other counts: Total/RPF failed/Other drops(OIF-null, rate-limit etc)
Group: FF00::/8
RP-tree: Forwarding: 0/0/0/0, Other: 0/0/0
Group: FF00::/15
RP-tree: Forwarding: 0/0/0/0, Other: 0/0/0
Group: FF05::1
RP-tree: Forwarding: 2/0/100/0, Other: 0/0/0
Source: 10::1:1:200, Forwarding: 367/10/100/7, Other: 0/0/0
Tot. shown: Source count: 1, pkt count: 369
Group: FF10::/15
RP-tree: Forwarding: 0/0/0/0, Other: 0/0/0
Group: FF20::/15
RP-tree: Forwarding: 0/0/0/0, Other: 0/0/0
Sample Output from the show ipv6 mfib interface Command
The following example displays information about IPv6 multicast-enabled interfaces and their forwarding status. The router is configured for fast switching:
Router# show ipv6 mfib interface
IPv6 Multicast Forwarding (MFIB) status:
Configuration Status: enabled
Operational Status: running
MFIB interface status CEF-based output
[configured,available]
Ethernet1/1 up [yes ,yes ]
Ethernet1/2 up [yes ,? ]
Tunnel0 up [yes ,? ]
Tunnel1 up [yes ,? ]
Sample Output from the show ipv6 mfib summary Command
The following example displays summary information about the number of IPv6 MFIB entries and interfaces:
Router# show ipv6 mfib summary
IPv6 MFIB summary:
54 total entries [1 (S,G), 7 (*,G), 46 (*,G/m)]
17 total MFIB interfaces
Sample Output from the show ipv6 mld groups Command
The following is sample output from the show ipv6 mld groups command. It shows all of the groups joined by Fast Ethernet interface 2/1, including link-local groups used by network protocols.
Router# show ipv6 mld groups FastEthernet 2/1
MLD Connected Group Membership
Group Address Interface Uptime Expires
FF02::2 FastEthernet2/1 3d18h never
FF02::D FastEthernet2/1 3d18h never
FF02::16 FastEthernet2/1 3d18h never
FF02::1:FF00:1 FastEthernet2/1 3d18h 00:00:27
FF02::1:FF00:79 FastEthernet2/1 3d18h never
FF02::1:FF23:83C2 FastEthernet2/1 3d18h 00:00:22
FF02::1:FFAF:2C39 FastEthernet2/1 3d18h never
FF06:7777::1 FastEthernet2/1 3d18h 00:00:26
Sample Output from the show ipv6 mld groups summary Command
The following is sample output from the show ipv6 mld groups summarycommand:
Router# show ipv6 mld groups summary
MLD Route Summary
No. of (*,G) routes = 5
No. of (S,G) routes = 0
Sample Output from the show ipv6 mld interface Command
The following is sample output from the show ipv6 mld interface command for Fast Ethernet interface 2/1:
Router# show ipv6 mld interface FastEthernet 2/1
FastEthernet2/1 is up, line protocol is up
Internet address is FE80::205:5FFF:FEAF:2C39/10
MLD is enabled in interface
Current MLD version is 2
MLD query interval is 125 seconds
MLD querier timeout is 255 seconds
MLD max query response time is 10 seconds
Last member query response interval is 1 seconds
MLD activity: 25 joins, 17 leaves
MLD querying router is FE80::205:5FFF:FEAF:2C39 (this system)
Sample Output from the show ipv6 mld ssm-map Command
The following examples show SSM mapping for the source address 2001:DB8::1:
Router# show ipv6 mld ssm-map 2001:DB8::1
Group address : 2001:DB8::1
Group mode ssm : TRUE
Database : STATIC
Source list : 2001:DB8::2
2001:DB8::3
Router# show ipv6 mld ssm-map 2001:DB8::2
Group address : 2001:DB8::2
Group mode ssm : TRUE
Database : DNS
Source list : 2001:DB8::3
2001:DB8::1
Sample Output from the show ipv6 mld traffic Command
The following example displays the MLD protocol messages received and sent:
Router# show ipv6 mld traffic
MLD Traffic Counters
Elapsed time since counters cleared:00:00:21
Received Sent
Valid MLD Packets 3 1
Queries 1 0
Reports 2 1
Leaves 0 0
Mtrace packets 0 0
Errors:
Malformed Packets 0
Bad Checksums 0
Martian source 0
Packets Received on MLD-disabled Interface 0
Sample Output from the show ipv6 mrib client Command
The following is sample output from the show ipv6 mrib clientcommand:
Router# show ipv6 mrib client
IP MRIB client-connections
igmp:145 (connection id 0)
pim:146 (connection id 1)
mfib ipv6:3 (connection id 2)
slot 3 mfib ipv6 rp agent:16 (connection id 3)
slot 1 mfib ipv6 rp agent:16 (connection id 4)
slot 0 mfib ipv6 rp agent:16 (connection id 5)
slot 4 mfib ipv6 rp agent:16 (connection id 6)
slot 2 mfib ipv6 rp agent:16 (connection id 7)
Sample Output from the show ipv6 mrib route Command
The following is sample output from the show ipv6 mrib routecommand using the summary keyword:
Router# show ipv6 mrib route summary
MRIB Route-DB Summary
No. of (*,G) routes = 52
No. of (S,G) routes = 0
No. of Route x Interfaces (RxI) = 10
Sample Output from the show ipv6 mroute Command
Using the show ipv6 mroute command is a good way to dynamically verify that multicast IPv6 data is flowing. The following is sample output from the show ipv6 mroutecommand:
Router# show ipv6 mroute ff07::1
Multicast Routing Table
Flags:D - Dense, S - Sparse, B - Bidir Group, s - SSM Group,
C - Connected, L - Local, I - Received Source Specific Host Report,
P - Pruned, R - RP-bit set, F - Register flag, T - SPT-bit set,
J - Join SPT
Timers:Uptime/Expires
Interface state:Interface, State
(*, FF07::1), 00:04:45/00:02:47, RP 2001:DB8:6::6, flags:S
Incoming interface:Tunnel5
RPF nbr:6:6:6::6
Outgoing interface list:
POS4/0, Forward, 00:04:45/00:02:47
(2001:DB8:999::99, FF07::1), 00:02:06/00:01:23, flags:SFT
Incoming interface:POS1/0
RPF nbr:2001:DB8:999::99
Outgoing interface list:
POS4/0, Forward, 00:02:06/00:03:27
Sample Output from the show ipv6 mroute active Command
The following is sample output from the show ipv6 mroute activecommand:
Router# show ipv6 mroute active
Active IPv6 Multicast Sources - sending >= 4 kbps
Group:FF05::1
Source:2001:DB8:1:1:1
Rate:11 pps/8 kbps(1sec), 8 kbps(last 8 sec)
Sample Output from the show ipv6 pim bsr Command
The following example displays BSR election information:
Router# show ipv6 pim bsr election
PIMv2 BSR information
BSR Election Information
Scope Range List: ff00::/8
This system is the Bootstrap Router (BSR)
BSR Address: 2001:DB8:1:1:4
Uptime: 00:11:55, BSR Priority: 0, Hash mask length: 126
RPF: FE80::A8BB:CCFF:FE03:C400,Ethernet0/0
BS Timer: 00:00:07
This system is candidate BSR
Candidate BSR address: 2001:DB8:1:1:4, priority: 0, hash mask length: 126
Sample Output from the show ipv6 pim group-map Command
The following is sample output from the show ipv6 pim group-mapcommand:
Router# show ipv6 pim group-map
FF33::/32*
SSM
Info source:Static
Uptime:00:08:32, Groups:0
FF34::/32*
SSM
Info source:Static
Uptime:00:09:42, Groups:0
Sample Output from the show ipv6 pim interface Command
The following is sample output from the show ipv6 pim interface command using the state-on keyword:
Router# show ipv6 pim interface state-on
Interface PIM Nbr Hello DR
Count Intvl Prior
Ethernet0 on 0 30 1
Address:FE80::208:20FF:FE08:D7FF
DR :this system
POS1/0 on 0 30 1
Address:FE80::208:20FF:FE08:D554
DR :this system
POS4/0 on 1 30 1
Address:FE80::208:20FF:FE08:D554
DR :FE80::250:E2FF:FE8B:4C80
POS4/1 on 0 30 1
Address:FE80::208:20FF:FE08:D554
DR :this system
Loopback0 on 0 30 1
Address:FE80::208:20FF:FE08:D554
DR :this system
Sample Output from the show ipv6 pim join-prune statistic Command
The following example provides the join/prune aggregation on Ethernet interface 0/0/0:
Router# show ipv6 pim join-prune statistic Ethernet0/0/0
PIM Average Join/Prune Aggregation for last (1K/10K/50K) packets
Interface Transmitted Received
Ethernet0/0/0 0 / 0 / 0 1 / 0 / 0
Sample Output from the show ipv6 pim neighbor Command
The following is sample output from the show ipv6 pim neighbor command using the detail keyword to identify the additional addresses of the neighbors learned through the routable address hello option:
Router# show ipv6 pim neighbor detail
Neighbor Address(es) Interface Uptime Expires DR pri Bidir
FE80::A8BB:CCFF:FE00:401 Ethernet0/0 01:34:16 00:01:16 1 B
60::1:1:3
FE80::A8BB:CCFF:FE00:501 Ethernet0/0 01:34:15 00:01:18 1 B
60::1:1:4
Sample Output from the show ipv6 pim range-list Command
The following is sample output from the show ipv6 pim range-listcommand:
Router# show ipv6 pim range-list
config SSM Exp:never Learnt from :::
FF33::/32 Up:00:26:33
FF34::/32 Up:00:26:33
FF35::/32 Up:00:26:33
FF36::/32 Up:00:26:33
FF37::/32 Up:00:26:33
FF38::/32 Up:00:26:33
FF39::/32 Up:00:26:33
FF3A::/32 Up:00:26:33
FF3B::/32 Up:00:26:33
FF3C::/32 Up:00:26:33
FF3D::/32 Up:00:26:33
FF3E::/32 Up:00:26:33
FF3F::/32 Up:00:26:33
config SM RP:40::1:1:1 Exp:never Learnt from :::
FF13::/64 Up:00:03:50
config SM RP:40::1:1:3 Exp:never Learnt from :::
FF09::/64 Up:00:03:50
Sample Output from the show ipv6 pim topology Command
The following is sample output from the show ipv6 pim topology command:
Router# show ipv6 pim topology
IP PIM Multicast Topology Table
Entry state:(*/S,G)[RPT/SPT] Protocol Uptime Info
Entry flags:KAT - Keep Alive Timer, AA - Assume Alive, PA - Probe Alive,
RA - Really Alive, LH - Last Hop, DSS - Don't Signal Sources,
RR - Register Received, SR - Sending Registers, E - MSDP External,
DCC - Don't Check Connected
Interface state:Name, Uptime, Fwd, Info
Interface flags:LI - Local Interest, LD - Local Dissinterest,
II - Internal Interest, ID - Internal Dissinterest,
LH - Last Hop, AS - Assert, AB - Admin Boundary
(*,FF05::1)
SM UP:02:26:56 JP:Join(now) Flags:LH
RP:2001:DB8:1:1:2
RPF:Ethernet1/1,FE81::1
Ethernet0/1 02:26:56 fwd LI LH
(2001:DB8:1:1:200,FF05::1)
SM UP:00:00:07 JP:Null(never) Flags:
RPF:Ethernet1/1,FE80::30:1:4
Ethernet1/1 00:00:07 off LI
Sample Output from the show ipv6 pim traffic Command
The following example shows the number of PIM protocol messages received and sent.
Router# show ipv6 pim traffic
PIM Traffic Counters
Elapsed time since counters cleared:00:05:29
Received Sent
Valid PIM Packets 22 22
Hello 22 22
Join-Prune 0 0
Register 0 0
Register Stop 0 0
Assert 0 0
Bidir DF Election 0 0
Errors:
Malformed Packets 0
Bad Checksums 0
Send Errors 0
Packet Sent on Loopback Errors 0
Packets Received on PIM-disabled Interface 0
Packets Received with Unknown PIM Version 0
Sample Output from the show ipv6 pim tunnel Command
The following is sample output from the show ipv6 pim tunnelcommand on the RP:
Router# show ipv6 pim tunnel
Tunnel0*
Type :PIM Encap
RP :100::1
Source:100::1
Tunnel0*
Type :PIM Decap
RP :100::1
Source: -
The following is sample output from the show ipv6 pim tunnelcommand on a non-RP:
Router# show ipv6 pim tunnel
Tunnel0*
Type :PIM Encap
RP :100::1
Source:2001::1:1:1
Sample Output from the show ipv6 rpf Command
The following example displays RPF information for the unicast host with the IPv6 address of 2001:DB8:1:1:2:
Router# show ipv6 rpf 2001:DB8:1:1:2
RPF information for 2001:DB8:1:1:2
RPF interface:Ethernet3/2
RPF neighbor:FE80::40:1:3
RPF route/mask:20::/64
RPF type:Unicast
RPF recursion count:0
Metric preference:110
Metric:30