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Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
OL-16506-17
Chapter 18 LSM-MLDP-based MVPN Support
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,
L - Local, P - Pruned, R - RP-bit set, F - Register flag,
T - SPT-bit set, J - Join SPT, M - MSDP created entry, E - Extranet,
X - Proxy Join Timer Running, A - Candidate for MSDP Advertisement,
U - URD, I - Received Source Specific Host Report,
Z - Multicast Tunnel, z - MDT-data group sender,
Y - Joined MDT-data group, y - Sending to MDT-data group,
V - RD & Vector, v - Vector
Outgoing interface flags: H - Hardware switched, A - Assert winner
Timers: Uptime/Expires
Interface state: Interface, Next-Hop or VCD, State/Mode
(40.0.0.2, 232.0.1.4), 00:00:16/00:03:13, flags: sT
Incoming interface: GigabitEthernet3/2/1, RPF nbr 0.0.0.0
Outgoing interface list:
Lspvif1, LSM MDT: B0000004 (default), Forward/Sparse, 00:00:16/00:03:13
(*, 224.0.1.40), 00:47:09/00:02:56, RP 0.0.0.0, flags: DPL
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list: Null
• To check the packet counters, use show ip mroute vrf vrf_name count command:
Router# show ip mroute vrf blue count
IP Multicast Statistics
2 routes using 1208 bytes of memory
2 groups, 0.50 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: 232.0.1.4, Source count: 1, Packets forwarded: 1333, Packets received: 1334
Source: 40.0.0.2/32, Forwarding: 1333/20/46/7, Other: 1334/0/1
Group: 224.0.1.40, Source count: 0, Packets forwarded: 0, Packets received: 0
• To check the MPLS forwarding, use show mpls forwarding-table command:
Router# show mpls forwarding-table
Local Outgoing Prefix Bytes Label Outgoing Next Hop
Label Label or Tunnel Id Switched interface
16 Pop Label IPv4 VRF[V] 0 aggregate/blue
17 Pop Label IPv4 VRF[V] 0 aggregate/red
18 [T] Pop Label 3.3.3.3/32 0 Tu20 point2point
19 [T] 25 2.2.2.2/32 0 Tu20 point2point
20 [T] Pop Label 19.0.0.0/24 0 Tu20 point2point
22 [T] No Label [mdt 55:1111 0][V] \9422 aggregate/red
23 [T] No Label [mdt 55:2222 0][V] \9708 aggregate/blue
[T] Forwarding through a LSP tunnel.
View additional labelling info with the 'detail' option
Configuring MLDP MVPN for Extranet Services
You can configure MLDP MVPN for extranet services using these methods:
• Source-Side Chaining (SSC): Configure the phantom receiver MVRF on the source-side router.
Multicast routes with VRF Reverse Path Forwarding (RPF) loopup should be configured on the
source PE.
• Receiver-Side Chaining (RSC): Configure the phantom source MVRF on the receiver-side router.
Multicast routes with VRF RPF loopup should be configured on the receiver VRF.