Contents

Introduction

Design Requirements

Solution

Configuration

Verify

Introduction

Layer 3 Multicast routing is supported in the ACI fabric starting with release 2.0 onwards and requires EX switches (i.e N9K-C93180YC-EX). Prior to release 2.0, ACI only supported L2 multicast within the bridge domain.   This is still a valid option in 2.0 and can be used for non-EX switches.

In ACI release 2.0, supported multicast routing features include: PIM ASM, PIM SSM, Static RP, PIM Auto-RP, and PIM BSR.

In this document, we describe a validated solution for a real customer deployment scenario for L3 multicast routing on ACI fabric. Selected ACI release is 2.1(1h). This release does not support RP on the fabric, thus an external RP is needed for PIM ASM.

Design Requirements

Customer requires an End-to-End solution for L3 multicast routing within and outside the fabric. The deployment scenario has the following requirements:

- One VRF deployed for all tenants.

Note: Multicast requires dedicated L3out for each VRF. If there are multiple VRFs in the fabric, shared L3out is not supported for multicast routing.

- Receivers in fabric with external sources

- Sources in fabric with external receivers

- Sources and receivers in fabric

- Static RP or Auto-RP

Solution

Topology Review

In the topology, there are two major components: the ACI module and the Tiered LAN Network module. Both modules are connected to core devices via point-to-point L3 links running OSPF and PIM. In ACI module, the external routed network is called L3out-to-Core associated with the VRF common:default. It includes the four links from the two border leaves to the core devices. The tiered LAN network module, referred as external to the fabric, consists of traditional access layer and aggregation layer with vPC.

L3 multicast flows run across the ACI fabric and the legacy LAN network through the Core layer. For Static RP scenario, RP is deployed on the WAN edge device.

We use Spirent traffic generators (STC) to simulate the internal and external sources and receivers. The Spirent ports are connected to different locations in the ACI module and the Tiered LAN network module. Receivers send IGMP v2 membership join messages.

Internal Sources attached to Sleaf2: source IPs are 10.101.101.115~124, sending to group addresses: 228.0.0.1~10

Internal Receivers attached to Bleaf1, Cleaf1 and Cleaf2: multicast enabled BDs are BD90, BD91, BD31, BD32, interested groups: 228.0.0.1~10 and 229.0.0.1~10.

External Sources attached to the access layer in LAN network: source IPs are 10.103.103.40~49, sending to group addresses: 229.0.0.1~10.

External Receivers attached to the access layer in LAN network: vlan131, vlan132, interested groups: 228.0.0.1~10.

Configuration

Step 0:  Set up RP on the simulated WAN device attached to core, enable PIM sparse mode on the tiered LAN network devices.

!!!!! RP configuration

ip pim rp-address 99.99.99.99 group-list 224.0.0.0/4

ip pim ssm range 232.0.0.0/8

interface loopback99

ip address 99.99.99.99/32

ip router ospf 65017 area 0.0.0.0

ip pim sparse-mode

interface Ethernet2/1

ip pim sparse-mode

interface Ethernet2/2

ip pim sparse-mode

Step 1: Enable Multicast at the VRF.  In Tenant space, navigate to Networking > VRFs > Multicast, on the working panel, click the butter to enable Multicast.

Step 2: Enable Multicast at BD and L3out levels, enable IGMP for receiver BDs. Navigate to Networking > VRFs > VRF name > Multicast, on the working panel, select Configuration > Interface tab, click “+” to add the Bridge Domains where mulcast traffic is expected. Enable IMGP policy for multicast enabled BD.

Then click “+” to add L3out for this VRF. When multicast is enabled for an L3out it will enable PIM on all interfaces under the L3out, and all the border leaves for that L3out is enabled with multicast routing. Select the PIM policy for L3out interface groups.

Here assume the BDs and L3out are provisioned already.

Attaching IGMP policy to the BDs makes it an IGMP querier as well. IGMP policy is configured under Tenant > Networking > Protocol Polices > IGMP Interface. The Default IGMP policy has the following parameters where you can define query intervals. If no policy is specified, the interface will use the default policy.

PIM policy is also configured under Tenant > Networking > Protocol Polices > PIM.

The Default PIM policy has the following parameters where you can define hello intervals.

L3Outs on border leaf must be configured with loopback addresses enabled in the Node profile.

Step 3: Configure RP for PIM ASM. Navigate to Tenant > VRF > Multicast, in the working panel select Configuration > Rendezvous Points. In this example, Static RP is selected. Click "+" to add the RP.

For Auto-RP configuration, check the boxes for “Forward Auto-RP updates” and “Listen to Auto-RP Updates” on the “Rendezvous Points” page.

Outside the ACI fabric, the AUTO-RP configurations on NX-OS platforms remain the same.

!!! On RP candidate

ip pim send-rp-announce loopback99 group-list 224.0.0.0/4

ip pim send-rp-discovery loopback99 scope 32

!!! On RP listeners:

ip pim auto-rp listen forward

Step 4: Configure necessary PIM settings. Navigate to Tenant >VRF -> Multicast, in the working panel, select Configuration > PIM settings, note the VRF GIPo address 225.1.192.0/32 which is assigned by APIC from the multicast group address pool. The VRF GIPo will be used as the outside group IP address for multicast traffic for BDs enabled with PIM.

When Fast Convergence mode is enabled (default is disable), all border leaves enabled with PIM will send joins towards the external network, but only one border leaf will forward traffic onto the fabric to prevent duplicates. The border leaf that forwards traffic for the group is the designated forwarder for the group. Enabling Fast Convergence helps reduce the packet drop duration for multicast flows with outside sources and inside receivers, when there is a stripe winner change due to the border leaf is down. There is no latency incurred by joining the PIM tree from the new stripe winner. This comes at the cost of the additional bandwidth usage on the non-stripe winners' external links since all of the border leaves pull traffic from the external source.

About the Stripe Winners - Currently ACI uses a BSR (Bootstrap Router) hash to calculate the BL stripe winner.  The hash is computed using the S,G and Loopback IP of the Leaf.  As of ACI 3.0(1) there is no way to influence stripe winner election for the user.

Step 5: Create needed contract to allow multicast traffic:

- Source and Receiver inside fabric (contract not needed)

- Receiver inside fabric, External source (contract not needed)

- Source inside fabric, External receiver (contract required)*

*The contract is not required if the BD is deployed on the border leaf

In our case, we have receivers outside the fabric, apply contract between L3out_to_Core and mcast source in EPG101.

Verify

PIM Verification

When the VRF is enabled for multicast routing, a fabric interface (tunnel) is created for multicast routing within the fabric.The PIM control plane packets are sent via the fabric interfaces within the fabric. The tunnel destination will be the VRF GiPo multicast address. On border leaf switches the tunnel source will be the loopback interface on the border leaf. On non-border leaf switches the tunnel source will be a loopback address (127.0.0.100).

Border leaves send PIM hellos on the fabric interface.L3Oout interfaces run PIM in normal mode including sending and receiving hellos, electing DR, etc. Non-border leaves run in passive mode on the fabric interface; they listen for PIM hellos from the border leaves but do not send PIM hellos. Non-border leaves will not show up in output to “show ip pim neighbor”.

!!!!! Border Leaf Node bleaf1 !!!!!

bleaf1# show ip pim neighbor

PIM Neighbor information for Dom:common:default

Neighbor             Interface            Uptime               Expires              DRPriority Bidir      BFDState

132.132.132.1/32     tunnel16             06:20:40             00:01:21             1          no         n/a

10.1.20.25/32        eth1/5               06:23:12             00:01:35             1          yes        n/a

10.1.20.1/32         eth1/4               06:23:12             00:01:24             1          yes        n/a

bleaf1# show interface tunnel 16

Tunnel16 is up

MTU 9000 bytes, BW 0 Kbit

Transport protocol is in VRF "common:default"

Tunnel protocol/transport is ivxlan

Tunnel source 131.131.131.1

Tunnel destination 225.1.192.0/32

Last clearing of "show interface" counters never

Tx

0 packets output, 1 minute output rate 0 packets/sec

Rx

0 packets input, 1 minute input rate 0 packets/sec

bleaf1#

!!!!! Border Leaf Node bleaf2 !!!!!

bleaf2# show ip pim neighbor

PIM Neighbor information for Dom:common:default

Neighbor             Interface            Uptime               Expires              DRPriority Bidir      BFDState

131.131.131.1/32     tunnel16             06:23:26             00:01:30             1          no         n/a

10.1.20.29/32        eth1/5               06:38:26             00:01:43             1          yes        n/a

10.1.20.5/32         eth1/4               06:38:27             00:01:20             1          yes        n/a

bleaf2# show interface tunnel 16

Tunnel16 is up

MTU 9000 bytes, BW 0 Kbit

Transport protocol is in VRF "common:default"

Tunnel protocol/transport is ivxlan

Tunnel source 132.132.132.1

Tunnel destination 225.1.192.0/32

Last clearing of "show interface" counters never

Tx

0 packets output, 1 minute output rate 0 packets/sec

Rx

0 packets input, 1 minute input rate 0 packets/sec

bleaf2#

!!!!! RP !!!!!

bleaf1# show ip pim rp vrf all

PIM RP Status Information for VRF:"common:default"

BSR: Not Operational

Auto-RP RPA: 192.168.1.2/32

RP: 99.99.99.99, uptime: 26d21h, expires: 00:02:38,

priority: 0, RP-source: 192.168.1.2 (A), group-map: None, group ranges:

224.0.0.0/4

bleaf1#

bleaf2# show ip pim rp vrf all

PIM RP Status Information for VRF:"common:default"

BSR: Not Operational

Auto-RP RPA: 192.168.1.2/32

RP: 99.99.99.99, uptime: 26d21h, expires: 00:02:38,

priority: 0, RP-source: 192.168.1.2 (A), group-map: None, group ranges:

224.0.0.0/4

bleaf2#

!!!!! Non border leaf Node !!!!!

cleaf1# show ip pim neighbor

PIM Neighbor information for Dom:common:default

Neighbor             Interface            Uptime               Expires              DRPriority Bidir      BFDState

132.132.132.1/32     tunnel16             06:32:43             00:01:37             1          no         n/a

131.131.131.1/32     tunnel16             06:32:43             00:01:17             1          no         n/a

cleaf1# show interface tunnel 16

Tunnel16 is up

MTU 9000 bytes, BW 0 Kbit

Transport protocol is in VRF "common:default"

Tunnel protocol/transport is ivxlan

Tunnel source 127.0.0.100/32

Tunnel destination 225.1.192.0/32

Last clearing of "show interface" counters never

Tx

0 packets output, 1 minute output rate 0 packets/sec

Rx

0 packets input, 1 minute input rate 0 packets/sec

cleaf1#

cleaf2# show ip pim neighbor vrf all

PIM Neighbor information for Dom:common:default

Neighbor             Interface            Uptime               Expires              DRPriority Bidir      BFDState

132.132.132.1/32     tunnel16             06:33:17             00:01:33             1          no         n/a

131.131.131.1/32     tunnel16             06:33:17             00:01:41             1          no         n/a

cleaf2# show interface tunnel 16

Tunnel16 is up

MTU 9000 bytes, BW 0 Kbit

Transport protocol is in VRF "common:default"

Tunnel protocol/transport is ivxlan

Tunnel source 127.0.0.100/32

Tunnel destination 225.1.192.0/32

Last clearing of "show interface" counters never

Tx

0 packets output, 1 minute output rate 0 packets/sec

Rx

0 packets input, 1 minute input rate 0 packets/sec

cleaf2#

!!!!!! Core Router !!!!!

N7K-core-1# show ip pim neighbor

PIM Neighbor Status for VRF "default"

Neighbor        Interface            Uptime    Expires   DR       Bidir-  BFD

Priority Capable State

10.1.20.2       Ethernet1/1          3d22h     00:01:43  1        no     n/a

10.1.20.6       Ethernet1/2          3d22h     00:01:36  1        no     n/a

10.1.20.10      Ethernet1/3          2w6d      00:01:30  1        yes     n/a

10.1.20.14      Ethernet1/4          2w6d      00:01:18  1        yes     n/a

10.1.20.42      Ethernet1/5          2w6d      00:01:28  1        yes     n/a

N7K-core-1#

N7K-core-2# sh ip pim neighbor

PIM Neighbor Status for VRF "default"

Neighbor        Interface            Uptime    Expires   DR       Bidir-  BFD

Priority Capable State

10.1.20.26      Ethernet1/1          3d22h     00:01:23  1        no     n/a

10.1.20.30      Ethernet1/2          3d22h     00:01:17  1        no     n/a

10.1.20.18      Ethernet1/3          2w6d      00:01:38  1        yes     n/a

10.1.20.22      Ethernet1/4          2w6d      00:01:41  1        yes     n/a

10.1.20.46      Ethernet1/5          2w6d      00:01:17  1        yes     n/a

N7K-core-2#

Active Border Leaf Verification

If there are more than one border leaf is enabled with multicast routing, APIC chooses one stripe winner for each group address across all active border leaves. The border leaf that is the stripe winner for a group is responsible for sending PIM joins on behalf of the fabric and forwarding multicast traffic into the fabric.

The stripe winner for the group decides on the Designated Forwarder. If the stripe winner has reachability to the root, then the stripe winner is the DF also. If the stripe winner does not have external connectivity to the root, then that BL chooses a DF by sending a PIM join over the fabric interface.

!!!!! Enter into vsh mode to execute the command !!!!!

bleaf2# vsh

Cisco iNX-OS Debug Shell

This shell should only be used for internal commands and exists

for legacy reasons. User should use ibash infrastructure as this

will be deprecated.

bleaf2# show ip pim internal stripe-winner 228.0.0.1 vrf common:default

PIM Stripe Winner info for VRF "common:default" (BL count: 2)

(*, 228.0.0.1)

BLs: 132.132.132.1  hash: 2081913316 (local)

131.131.131.1  hash: 1024236260

Winner: 132.132.132.1 best_hash: 2081913316

bleaf2#

bleaf2#

bleaf2# show ip pim internal stripe-winner 229.0.0.1 vrf common:default

PIM Stripe Winner info for VRF "common:default" (BL count: 2)

(*, 229.0.0.1)

BLs: 132.132.132.1  hash: 1595374052 (local)

131.131.131.1  hash: 2047646436

Winner: 131.131.131.1 best_hash: 2047646436

bleaf2#

Fast Convergence Verification

!!! Verify if fast convergence is enabled

bleaf1# show fabric multicast vrf common:default

Fabric Multicast Enabled VRFs

VRF Name              VRF      Vprime        VN-Seg     VRF    Conv   Tunnel

ID       If            ID         Role   Mode   IP

common:default        4        Tunnel16      2162688    BL     Fast   131.131.131.1

bleaf1#

!!! None-border leaf

cleaf1# show fabric multicast vrf common:default

Fabric Multicast Enabled VRFs

VRF Name              VRF      Vprime        VN-Seg     VRF    Conv   Tunnel

ID       If            ID         Role   Mode   IP

common:default        4        Tunnel16      2162688    Leaf   Fast   127.0.0.100

cleaf1#

IGMP Verification

!!!!! Bleaf2 receiving IGMP membership join !!!!!

bleaf2# show ip igmp groups vrf common:default

Type: S - Static, D - Dynamic, L - Local, T - SSM Translated

Displaying Groups for vrf:common:default

Group Address        Type   Interface    Uptime               Expires              Last Reporter

228.0.0.1            D      vlan25       25d23h               00:02:20             10.90.90.71

229.0.0.1            D      vlan25       25d23h               00:02:24             10.90.90.71

228.0.0.2            D      vlan25       25d23h               00:02:27             10.90.90.72

229.0.0.2            D      vlan25       25d23h               00:02:20             10.90.90.72

228.0.0.3            D      vlan25       25d23h               00:02:25             10.90.90.73

229.0.0.3            D      vlan25       25d23h               00:02:25             10.90.90.73

228.0.0.4            D      vlan25       25d23h               00:02:26             10.90.90.74

229.0.0.4            D      vlan25       25d23h               00:02:25             10.90.90.74

228.0.0.5            D      vlan25       25d23h               00:02:28             10.90.90.75

229.0.0.5            D      vlan25       25d23h               00:02:20             10.90.90.75

228.0.0.6            D      vlan25       25d23h               00:02:22             10.90.90.76

229.0.0.6            D      vlan25       25d23h               00:02:26             10.90.90.76

228.0.0.7            D      vlan25       25d23h               00:02:25             10.90.90.77

229.0.0.7            D      vlan25       25d23h               00:02:19             10.90.90.77

228.0.0.8            D      vlan25       25d23h               00:02:22             10.90.90.78

229.0.0.8            D      vlan25       25d23h               00:02:25             10.90.90.78

228.0.0.9            D      vlan25       25d23h               00:02:27             10.90.90.79

229.0.0.9            D      vlan25       25d23h               00:02:20             10.90.90.79

228.0.0.10           D      vlan25       25d23h               00:02:20             10.90.90.80

229.0.0.10           D      vlan25       25d23h               00:02:21             10.90.90.80

bleaf2#

bleaf2# show ip igmp snooping groups vlan 25

Type: S - Static, D - Dynamic, R - Router port, F - Fabricpath core port

Vlan  Group Address      Ver  Type  Port list

25    */*                -    R     Vlan25

25    228.0.0.1          v2   D     Eth1/47

25    228.0.0.2          v2   D     Eth1/47

25    228.0.0.3          v2   D     Eth1/47

25    228.0.0.4          v2   D     Eth1/47

25    228.0.0.5          v2   D     Eth1/47

25    228.0.0.6          v2   D     Eth1/47

25    228.0.0.7          v2   D     Eth1/47

25    228.0.0.8          v2   D     Eth1/47

25    228.0.0.9          v2   D     Eth1/47

25    228.0.0.10         v2   D     Eth1/47

25    229.0.0.1          v2   D     Eth1/47

25    229.0.0.2          v2   D     Eth1/47

25    229.0.0.3          v2   D     Eth1/47

25    229.0.0.4          v2   D     Eth1/47

25    229.0.0.5          v2   D     Eth1/47

25    229.0.0.6          v2   D     Eth1/47

25    229.0.0.7          v2   D     Eth1/47

25    229.0.0.8          v2   D     Eth1/47

25    229.0.0.9          v2   D     Eth1/47

25    229.0.0.10         v2   D     Eth1/47

bleaf2#

!!!!! cleaf2 receivng IGMP membership join !!!!!

cleaf2# show ip igmp groups vrf common:default

Type: S - Static, D - Dynamic, L - Local, T - SSM Translated

Displaying Groups for vrf:common:default

Group Address        Type   Interface    Uptime               Expires              Last Reporter

228.0.0.1            D      vlan9        25d23h               00:03:37             10.32.32.120

228.0.0.1            D      vlan30       25d23h               00:04:17             10.91.91.71

228.0.0.1            D      vlan3        11d23h               00:03:18             10.31.31.123

229.0.0.1            D      vlan9        25d23h               00:03:41             10.32.32.121

229.0.0.1            D      vlan30       25d23h               00:02:22             10.91.91.71

229.0.0.1            D      vlan3        11d23h               00:03:16             10.31.31.120

228.0.0.2            D      vlan9        25d23h               00:03:38             10.32.32.123

228.0.0.2            D      vlan30       25d23h               00:02:15             10.91.91.72

228.0.0.2            D      vlan3        11d23h               00:03:16             10.31.31.122

229.0.0.2            D      vlan9        25d23h               00:03:37             10.32.32.123

229.0.0.2            D      vlan30       25d23h               00:02:16             10.91.91.72

229.0.0.2            D      vlan3        11d23h               00:03:16             10.31.31.124

228.0.0.3            D      vlan9        25d23h               00:03:41             10.32.32.120

228.0.0.3            D      vlan30       25d23h               00:04:18             10.91.91.73

228.0.0.3            D      vlan3        11d23h               00:03:18             10.31.31.120

229.0.0.3            D      vlan9        25d23h               00:03:38             10.32.32.121

229.0.0.3            D      vlan30       25d23h               00:04:17             10.91.91.73

229.0.0.3            D      vlan3        11d23h               00:03:18             10.31.31.122

<......>

cleaf2#

cleaf2# show ip igmp snooping vlan 3

IGMP Snooping information for vlan 3

IGMP snooping enabled

Lookup mode: IP

Optimised Multicast Flood (OMF) enabled

IGMP querier present, address: 10.31.31.1, version: 2, i/f Vlan3

Switch-querier disabled

IGMPv3 Explicit tracking enabled

IGMPv2 Fast leave disabled

IGMPv1/v2 Report suppression enabled

IGMPv3 Report suppression enabled

Link Local Groups suppression enabled

Router port detection using PIM Hellos, IGMP Queries

Number of router-ports: 1

Number of groups: 20

VLAN vPC function enabled

Active ports:

Eth1/2      Eth1/3      Po3         Po4

cleaf2# show ip igmp snooping groups vlan 3

Type: S - Static, D - Dynamic, R - Router port, F - Fabricpath core port

Vlan  Group Address      Ver  Type  Port list

3     */*                -    R     Vlan3

3     228.0.0.1          v2   D     Po4

3     228.0.0.2          v2   D     Po4

3     228.0.0.3          v2   D     Po4

3     228.0.0.4          v2   D     Po4

3     228.0.0.5          v2   D     Po4

3     228.0.0.6          v2   D     Po4

3     228.0.0.7          v2   D     Po4

3     228.0.0.8          v2   D     Po4

3     228.0.0.9          v2   D     Po4

3     228.0.0.10         v2   D     Po4

3     229.0.0.1          v2   D     Po4

3     229.0.0.2          v2   D     Po4

3     229.0.0.3          v2   D     Po4

3     229.0.0.4          v2   D     Po4

3     229.0.0.5          v2   D     Po4

3     229.0.0.6          v2   D     Po4

3     229.0.0.7          v2   D     Po4

3     229.0.0.8          v2   D     Po4

3     229.0.0.9          v2   D     Po4

3     229.0.0.10         v2   D     Po4

cleaf2#

MRIB Verification

The leaf node sleaf2 which is the FHR has directly attached multicast sources. Its RPF neighbor is 10.0.176.64 on spine1. The incoming interface is the fabric interface (tunnel16) which is peering with the border leaf via PIM.

For simplicity, the output shown is for one multicast IP address from each group range: 228.0.0.1 for inside sources, and 229.0.0.1 for the outside sources.

!!!!! FHR of mcast sources in fabric

sleaf2# show ip mroute vrf common:default

IP Multicast Routing Table for VRF "common:default"

(10.101.101.115/32, 228.0.0.1/32), uptime: 00:17:54, ip pim

Incoming interface: Tunnel16, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 0)

(10.101.101.116/32, 228.0.0.1/32), uptime: 00:17:54, ip pim

Incoming interface: Tunnel16, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 0)

(10.101.101.117/32, 228.0.0.1/32), uptime: 00:17:54, ip pim

Incoming interface: Tunnel16, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 0)

(……)

(*, 232.0.0.0/8), uptime: 4d00h, pim ip

Incoming interface: Null, RPF nbr: 0.0.0.0

Outgoing interface list: (count: 0)

sleaf2# show ip pim neighbor vrf common:default

PIM Neighbor information for Dom:common:default

Neighbor             Interface            Uptime               Expires              DRPriority Bidir      BFDState

131.131.131.1/32     tunnel16             04:01:06             00:01:23             1          no         n/a

132.132.132.1/32     tunnel16             04:01:06             00:01:32             1          no         n/a

sleaf2#

sleaf2# show interface tunnel 16

Tunnel16 is up

MTU 9000 bytes, BW 0 Kbit

Transport protocol is in VRF "common:default"

Tunnel protocol/transport is ivxlan

Tunnel source 127.0.0.100/32

Tunnel destination 225.1.192.0/32

Last clearing of "show interface" counters never

Tx

0 packets output, 1 minute output rate 0 packets/sec

Rx

0 packets input, 1 minute input rate 0 packets/sec

sleaf2#

Receivers for 228.0.0.1 are attached to bleaf2 (node 132), cleaf1 (Node 101) and cleaf2 (Node 102). Bleaf2 forwards the mcast to group 228.0.0.1 to internal receivers via tunnel 16, and external receivers via L3out to the core devices.

!!!!!! Bleaf2 !!!!!

bleaf2# show ip mroute 228.0.0.1 vrf common:default

IP Multicast Routing Table for VRF "common:default"

(*, 228.0.0.1/32), uptime: 3w5d, ngmvpn ip pim igmp

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.5

Outgoing interface list: (count: 2) (Fabric OIF)

Vlan25, uptime: 3w5d, igmp

Tunnel16, uptime: 3w5d, ngmvpn

(10.101.101.115/32, 228.0.0.1/32), uptime: 3w5d, pim mrib ip ngmvpn

Incoming interface: Tunnel16, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 2) (Fabric OIF)

Vlan25, uptime: 3w5d, mrib

Tunnel16, uptime: 3w5d, mrib, ngmvpn, (RPF)

(10.101.101.116/32, 228.0.0.1/32), uptime: 3w5d, ip mrib pim ngmvpn

Incoming interface: Tunnel16, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 3) (Fabric OIF)

Ethernet1/5, uptime: 00:04:36, pim

Vlan25, uptime: 3w5d, mrib

Tunnel16, uptime: 3w5d, mrib, ngmvpn, (RPF)

(10.101.101.117/32, 228.0.0.1/32), uptime: 3w5d, pim mrib ip ngmvpn

Incoming interface: Tunnel16, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 2) (Fabric OIF)

Vlan25, uptime: 3w5d, mrib

Tunnel16, uptime: 3w5d, mrib, ngmvpn, (RPF)

(10.101.101.118/32, 228.0.0.1/32), uptime: 3w5d, ip mrib pim ngmvpn

Incoming interface: Tunnel16, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 3) (Fabric OIF)

Ethernet1/5, uptime: 00:04:36, pim

Vlan25, uptime: 3w5d, mrib

Tunnel16, uptime: 3w5d, mrib, ngmvpn, (RPF)

(10.101.101.119/32, 228.0.0.1/32), uptime: 3w5d, pim mrib ip ngmvpn

Incoming interface: Tunnel16, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 2) (Fabric OIF)

Vlan25, uptime: 3w5d, mrib

Tunnel16, uptime: 3w5d, mrib, ngmvpn, (RPF)

(10.101.101.120/32, 228.0.0.1/32), uptime: 3w5d, mrib ip pim ngmvpn

Incoming interface: Tunnel16, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 2) (Fabric OIF)

Vlan25, uptime: 3w5d, mrib

Tunnel16, uptime: 3w5d, mrib, ngmvpn, (RPF)

(10.101.101.121/32, 228.0.0.1/32), uptime: 3w5d, mrib ip pim ngmvpn

Incoming interface: Tunnel16, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 2) (Fabric OIF)

Vlan25, uptime: 3w5d, mrib

Tunnel16, uptime: 3w5d, mrib, ngmvpn, (RPF)

(10.101.101.122/32, 228.0.0.1/32), uptime: 3w5d, pim mrib ip ngmvpn

Incoming interface: Tunnel16, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 2) (Fabric OIF)

Vlan25, uptime: 3w5d, mrib

Tunnel16, uptime: 3w5d, mrib, ngmvpn, (RPF)

(10.101.101.123/32, 228.0.0.1/32), uptime: 3w5d, ip mrib pim ngmvpn

Incoming interface: Tunnel16, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 3) (Fabric OIF)

Ethernet1/5, uptime: 00:04:36, pim

Vlan25, uptime: 3w5d, mrib

Tunnel16, uptime: 3w5d, mrib, ngmvpn, (RPF)

(10.101.101.124/32, 228.0.0.1/32), uptime: 3w5d, ip mrib pim ngmvpn

Incoming interface: Tunnel16, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 3) (Fabric OIF)

Ethernet1/5, uptime: 1d00h, pim

Vlan25, uptime: 3w5d, mrib

Tunnel16, uptime: 3w5d, mrib, ngmvpn, (RPF)

bleaf2#

bleaf2# show interface vlan25

Vlan25 is up, line protocol is up

Hardware EtherSVI, address is  0000.0c07.ac5a

Internet Address is 10.90.90.1/24

MTU 9000 bytes, BW 10000000 Kbit, DLY 1 usec

reliability 255/255, txload 1/255, rxload 1/255

Carrier delay is 10 sec

Encapsulation ARPA, loopback not set

Keepalive not supported

ARP type: ARPA

Last clearing of "show interface" counters never

30 seconds input rate 0 bits/sec, 0 packets/sec

30 seconds output rate 0 bits/sec, 0 packets/sec

Load-Interval #2: 5 minute (300 seconds)

input rate 0 bps, 0 pps; output rate 0 bps, 0 pps

L3 Switched:

input: 0 pkts, 0 bytes - output: 0 pkts, 0 bytes

L3 in Switched:

ucast: 0 pkts, 0 bytes - mcast: 0 pkts, 0 bytes

L3 out Switched:

ucast: 0 pkts, 0 bytes - mcast: 0 pkts, 0 bytes

bleaf2#

Bleaf1 forwards group of 228.0.0.1 to outside via L3out interface, but it does not forward onto the fabric via the fabric interfaces since it is not the stripe winner for 228.0.0.1

!!!!! Bleaf1 !!!!!

!!!!!

bleaf1# show ip mroute 228.0.0.1 vrf common:default

IP Multicast Routing Table for VRF "common:default"

(10.101.101.115/32, 228.0.0.1/32), uptime: 3w4d, mrib ip pim

Incoming interface: Tunnel14, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 1)

Ethernet1/5, uptime: 1d01h, pim

(10.101.101.116/32, 228.0.0.1/32), uptime: 3w5d, pim mrib ip

Incoming interface: Tunnel14, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 1)

Ethernet1/4, uptime: 1d01h, pim

(10.101.101.117/32, 228.0.0.1/32), uptime: 3w5d, pim mrib ip

Incoming interface: Tunnel14, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 1)

Ethernet1/5, uptime: 1d01h, pim

(10.101.101.118/32, 228.0.0.1/32), uptime: 3w5d, mrib ip pim

Incoming interface: Tunnel14, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 1)

Ethernet1/4, uptime: 1d01h, pim

(10.101.101.119/32, 228.0.0.1/32), uptime: 3w5d, mrib ip pim

Incoming interface: Tunnel14, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 1)

Ethernet1/5, uptime: 1d01h, pim

(10.101.101.120/32, 228.0.0.1/32), uptime: 3w5d, pim mrib ip

Incoming interface: Tunnel14, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 1)

Ethernet1/4, uptime: 1d01h, pim

(10.101.101.121/32, 228.0.0.1/32), uptime: 3w5d, pim mrib ip

Incoming interface: Tunnel14, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 1)

Ethernet1/4, uptime: 1d01h, pim

(10.101.101.122/32, 228.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Tunnel14, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 1)

Ethernet1/5, uptime: 1d01h, pim

(10.101.101.123/32, 228.0.0.1/32), uptime: 3w5d, pim mrib ip

Incoming interface: Tunnel14, RPF nbr: 10.0.176.64 (pervasive)

Outgoing interface list: (count: 1)

Ethernet1/4, uptime: 1d01h, pim

bleaf1#

Bleaf1 is the active border leaf/stripe winnder for group 229.0.0.1. bleaf1 receives the multicast to group 229.0.0.1 via the external core device, and then forwards to internal receivers in BD90, BD91, BD31, BD32.  (note the vlan ID is only internal to leaf node as the pervasive GW).

!!!!! bleaf1 !!!!!

bleaf1# show ip mroute 229.0.0.1 vrf common:default

IP Multicast Routing Table for VRF "common:default"

(*, 229.0.0.1/32), uptime: 3w5d, ngmvpn ip pim

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.25

Outgoing interface list: (count: 1) (Fabric OIF)

Tunnel14, uptime: 3w5d, ngmvpn

(10.103.103.40/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.25

Outgoing interface list: (count: 1)

Tunnel14, uptime: 1d01h, mrib

(10.103.103.41/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.1

Outgoing interface list: (count: 1)

Tunnel14, uptime: 1d01h, mrib

(10.103.103.42/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.25

Outgoing interface list: (count: 1)

Tunnel14, uptime: 1d01h, mrib

(10.103.103.43/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.25

Outgoing interface list: (count: 1)

Tunnel14, uptime: 1d01h, mrib

(10.103.103.44/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.25

Outgoing interface list: (count: 1)

Tunnel14, uptime: 1d01h, mrib

(10.103.103.45/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.25

Outgoing interface list: (count: 1)

Tunnel14, uptime: 1d01h, mrib

(10.103.103.46/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.25

Outgoing interface list: (count: 1)

Tunnel14, uptime: 1d01h, mrib

(10.103.103.47/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.1

Outgoing interface list: (count: 1)

Tunnel14, uptime: 1d01h, mrib

(10.103.103.48/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.1

Outgoing interface list: (count: 1)

Tunnel14, uptime: 1d01h, mrib

(10.103.103.49/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.1

Outgoing interface list: (count: 1)

Tunnel14, uptime: 1d01h, mrib

bleaf1#

!!!!! bleaf2 !!!!!

bleaf2# show ip mroute 229.0.0.1 vrf common:default

IP Multicast Routing Table for VRF "common:default"

(*, 229.0.0.1/32), uptime: 3w5d, ip pim igmp

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.5

Outgoing interface list: (count: 1)

Vlan25, uptime: 3w5d, igmp

(10.103.103.40/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.5

Outgoing interface list: (count: 1) (Fabric Forwarding Loser)

Vlan25, uptime: 1d01h, mrib

(10.103.103.41/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.5

Outgoing interface list: (count: 1) (Fabric Forwarding Loser)

Vlan25, uptime: 1d01h, mrib

(10.103.103.42/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.29

Outgoing interface list: (count: 1) (Fabric Forwarding Loser)

Vlan25, uptime: 1d01h, mrib

(10.103.103.43/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.29

Outgoing interface list: (count: 1) (Fabric Forwarding Loser)

Vlan25, uptime: 1d01h, mrib

(10.103.103.44/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.29

Outgoing interface list: (count: 1) (Fabric Forwarding Loser)

Vlan25, uptime: 1d01h, mrib

(10.103.103.45/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.5

Outgoing interface list: (count: 1) (Fabric Forwarding Loser)

Vlan25, uptime: 1d01h, mrib

(10.103.103.46/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.29

Outgoing interface list: (count: 1) (Fabric Forwarding Loser)

Vlan25, uptime: 1d01h, mrib

(10.103.103.47/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.5

Outgoing interface list: (count: 1) (Fabric Forwarding Loser)

Vlan25, uptime: 1d01h, mrib

(10.103.103.48/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.29

Outgoing interface list: (count: 1) (Fabric Forwarding Loser)

Vlan25, uptime: 1d01h, mrib

(10.103.103.49/32, 229.0.0.1/32), uptime: 1d01h, ip mrib pim

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.5

Outgoing interface list: (count: 1) (Fabric Forwarding Loser)

Vlan25, uptime: 1d01h, mrib

bleaf2#

Non-border leaf Cleaf1 and Cleaf2 has attached receivers in BD31, BD32, BD91. Non-border leaf node install (*, G) only, (S,G) is not supported.

cleaf1# show ip mroute 228.0.0.1 vrf common:default

IP Multicast Routing Table for VRF "common:default"

(*, 228.0.0.1/32), uptime: 3w5d, igmp ip pim

Incoming interface: Tunnel14, RPF nbr: 10.0.80.91

Outgoing interface list: (count: 2)

Vlan4, uptime: 1w5d, igmp

Vlan7, uptime: 3w5d, igmp

cleaf1# show ip mroute 229.0.0.1 vrf common:default

IP Multicast Routing Table for VRF "common:default"

(*, 229.0.0.1/32), uptime: 3w5d, igmp ip pim

Incoming interface: Tunnel14, RPF nbr: 10.0.80.91

Outgoing interface list: (count: 2)

Vlan4, uptime: 1w5d, igmp

Vlan7, uptime: 3w5d, igmp

cleaf1#

cleaf1# show interface vlan 4

Vlan4 is up, line protocol is up

Hardware EtherSVI, address is  0000.0c07.ac1f

Internet Address is 10.31.31.1/24

MTU 9000 bytes, BW 10000000 Kbit, DLY 1 usec

reliability 255/255, txload 1/255, rxload 1/255

Carrier delay is 10 sec

Encapsulation ARPA, loopback not set

Keepalive not supported

ARP type: ARPA

Last clearing of "show interface" counters never

30 seconds input rate 0 bits/sec, 0 packets/sec

30 seconds output rate 0 bits/sec, 0 packets/sec

Load-Interval #2: 5 minute (300 seconds)

input rate 0 bps, 0 pps; output rate 0 bps, 0 pps

L3 Switched:

input: 0 pkts, 0 bytes - output: 0 pkts, 0 bytes

L3 in Switched:

ucast: 0 pkts, 0 bytes - mcast: 0 pkts, 0 bytes

L3 out Switched:

ucast: 0 pkts, 0 bytes - mcast: 0 pkts, 0 bytes

cleaf1# show interface vlan 7

Vlan7 is up, line protocol is up

Hardware EtherSVI, address is  0000.0c07.ac20

Internet Address is 10.32.32.1/24

MTU 9000 bytes, BW 10000000 Kbit, DLY 1 usec

reliability 255/255, txload 1/255, rxload 1/255

Carrier delay is 10 sec

Encapsulation ARPA, loopback not set

Keepalive not supported

ARP type: ARPA

Last clearing of "show interface" counters never

30 seconds input rate 0 bits/sec, 0 packets/sec

30 seconds output rate 0 bits/sec, 0 packets/sec

Load-Interval #2: 5 minute (300 seconds)

input rate 0 bps, 0 pps; output rate 0 bps, 0 pps

L3 Switched:

input: 0 pkts, 0 bytes - output: 0 pkts, 0 bytes

L3 in Switched:

ucast: 0 pkts, 0 bytes - mcast: 0 pkts, 0 bytes

L3 out Switched:

ucast: 0 pkts, 0 bytes - mcast: 0 pkts, 0 bytes

cleaf1#

!!!! Non-border leaf node has (*, G) only, (S,G) is not supported.

cleaf2# show ip mroute 228.0.0.1 vrf common:default

IP Multicast Routing Table for VRF "common:default"

(*, 228.0.0.1/32), uptime: 3w5d, igmp ip pim

Incoming interface: Tunnel16, RPF nbr: 10.0.80.91

Outgoing interface list: (count: 3)

Vlan3, uptime: 1w5d, igmp

Vlan30, uptime: 3w5d, igmp

Vlan9, uptime: 3w5d, igmp

cleaf2# show ip mroute 229.0.0.1 vrf common:default

IP Multicast Routing Table for VRF "common:default"

(*, 229.0.0.1/32), uptime: 3w5d, igmp ip pim

Incoming interface: Tunnel16, RPF nbr: 10.0.80.91

Outgoing interface list: (count: 3)

Vlan3, uptime: 1w5d, igmp

Vlan30, uptime: 3w5d, igmp

Vlan9, uptime: 3w5d, igmp

cleaf2#

cleaf2# show interface vlan 3

Vlan3 is up, line protocol is up

Hardware EtherSVI, address is  0000.0c07.ac1f

Internet Address is 10.31.31.1/24

MTU 9000 bytes, BW 10000000 Kbit, DLY 1 usec

reliability 255/255, txload 1/255, rxload 1/255

Carrier delay is 10 sec

Encapsulation ARPA, loopback not set

Keepalive not supported

ARP type: ARPA

Last clearing of "show interface" counters never

30 seconds input rate 0 bits/sec, 0 packets/sec

30 seconds output rate 0 bits/sec, 0 packets/sec

Load-Interval #2: 5 minute (300 seconds)

input rate 0 bps, 0 pps; output rate 0 bps, 0 pps

L3 Switched:

input: 0 pkts, 0 bytes - output: 0 pkts, 0 bytes

L3 in Switched:

ucast: 0 pkts, 0 bytes - mcast: 0 pkts, 0 bytes

L3 out Switched:

ucast: 0 pkts, 0 bytes - mcast: 0 pkts, 0 bytes

cleaf2# show interface vlan 30

Vlan30 is up, line protocol is up

Hardware EtherSVI, address is  0000.0c07.ac5b

Internet Address is 10.91.91.1/24

MTU 9000 bytes, BW 10000000 Kbit, DLY 1 usec

reliability 255/255, txload 1/255, rxload 1/255

Carrier delay is 10 sec

Encapsulation ARPA, loopback not set

Keepalive not supported

ARP type: ARPA

Last clearing of "show interface" counters never

30 seconds input rate 0 bits/sec, 0 packets/sec

30 seconds output rate 0 bits/sec, 0 packets/sec

Load-Interval #2: 5 minute (300 seconds)

input rate 0 bps, 0 pps; output rate 0 bps, 0 pps

L3 Switched:

input: 0 pkts, 0 bytes - output: 0 pkts, 0 bytes

L3 in Switched:

ucast: 0 pkts, 0 bytes - mcast: 0 pkts, 0 bytes

L3 out Switched:

ucast: 0 pkts, 0 bytes - mcast: 0 pkts, 0 bytes

cleaf2# show interface vlan 9

Vlan9 is up, line protocol is up

Hardware EtherSVI, address is  0000.0c07.ac20

Internet Address is 10.32.32.1/24

MTU 9000 bytes, BW 10000000 Kbit, DLY 1 usec

reliability 255/255, txload 1/255, rxload 1/255

Carrier delay is 10 sec

Encapsulation ARPA, loopback not set

Keepalive not supported

ARP type: ARPA

Last clearing of "show interface" counters never

30 seconds input rate 0 bits/sec, 0 packets/sec

30 seconds output rate 0 bits/sec, 0 packets/sec

Load-Interval #2: 5 minute (300 seconds)

input rate 0 bps, 0 pps; output rate 0 bps, 0 pps

L3 Switched:

input: 0 pkts, 0 bytes - output: 0 pkts, 0 bytes

L3 in Switched:

ucast: 0 pkts, 0 bytes - mcast: 0 pkts, 0 bytes

L3 out Switched:

ucast: 0 pkts, 0 bytes - mcast: 0 pkts, 0 bytes

cleaf2#

On the core routers, N7K-core-1 and N7K-core-2 are load sharing for multicast flows sourced in LAN network, if fast convergence is not enabled, only one border leaf (bleaf1) is sending join towards the source.

!!!!! Sources in LAN network !!!!!

!!!!! N7K-core-1 !!!!!

N7K-core-1# show ip mroute 229.0.0.1

IP Multicast Routing Table for VRF "default"

(10.103.103.41/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/3, RPF nbr: 10.1.20.10

Outgoing interface list: (count: 1)

Ethernet1/1, uptime: 1d01h, pim

(10.103.103.42/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.42

Outgoing interface list: (count: 0)

(10.103.103.43/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.42

Outgoing interface list: (count: 0)

(10.103.103.44/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.42

Outgoing interface list: (count: 0)

(10.103.103.46/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.42

Outgoing interface list: (count: 0)

(10.103.103.47/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.14

Outgoing interface list: (count: 1)

Ethernet1/1, uptime: 1d01h, pim

(10.103.103.48/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/3, RPF nbr: 10.1.20.10

Outgoing interface list: (count: 1)

Ethernet1/1, uptime: 1d01h, pim

(10.103.103.49/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/3, RPF nbr: 10.1.20.10

Outgoing interface list: (count: 1)

Ethernet1/1, uptime: 1d01h, pim

N7K-core-1#

!!!!! N7K-core-2 !!!!!

N7K-core-2# show ip mroute 229.0.0.1

IP Multicast Routing Table for VRF "default"

(*, 229.0.0.1/32), uptime: 3w5d, pim ip

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.46

Outgoing interface list: (count: 1)

Ethernet1/1, uptime: 3w5d, pim

(10.103.103.40/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/3, RPF nbr: 10.1.20.18

Outgoing interface list: (count: 1)

Ethernet1/1, uptime: 1d01h, pim

(10.103.103.41/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.22

Outgoing interface list: (count: 0)

(10.103.103.42/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/3, RPF nbr: 10.1.20.18

Outgoing interface list: (count: 1)

Ethernet1/1, uptime: 1d01h, pim

(10.103.103.43/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.22

Outgoing interface list: (count: 1)

Ethernet1/1, uptime: 1d01h, pim

(10.103.103.44/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/3, RPF nbr: 10.1.20.18

Outgoing interface list: (count: 1)

Ethernet1/1, uptime: 1d01h, pim

(10.103.103.45/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.22

Outgoing interface list: (count: 1)

Ethernet1/1, uptime: 1d01h, pim

(10.103.103.46/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/3, RPF nbr: 10.1.20.18

Outgoing interface list: (count: 1)

Ethernet1/1, uptime: 1d01h, pim

(10.103.103.47/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.22

Outgoing interface list: (count: 0)

(10.103.103.48/32, 229.0.0.1/32), uptime: 00:53:01, pim mrib ip

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.46

Outgoing interface list: (count: 0)

(10.103.103.49/32, 229.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/4, RPF nbr: 10.1.20.22

Outgoing interface list: (count: 0)

N7K-core-2#

!!!!!! Sources in ACI !!!!!

!!!!! N7K-core-1 !!!!!

N7K-core-1# show ip mroute 228.0.0.1

IP Multicast Routing Table for VRF "default"

(*, 228.0.0.1/32), uptime: 3w5d, pim ip

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.42

Outgoing interface list: (count: 2)

Ethernet1/3, uptime: 3w5d, pim

Ethernet1/2, uptime: 3w5d, pim

(10.101.101.115/32, 228.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/2, RPF nbr: 10.1.20.6

Outgoing interface list: (count: 0)

(10.101.101.116/32, 228.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/1, RPF nbr: 10.1.20.2

Outgoing interface list: (count: 1)

Ethernet1/3, uptime: 1d01h, pim

(10.101.101.117/32, 228.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.42

Outgoing interface list: (count: 0)

(10.101.101.118/32, 228.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/1, RPF nbr: 10.1.20.2

Outgoing interface list: (count: 1)

Ethernet1/3, uptime: 1d01h, pim

(10.101.101.119/32, 228.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/2, RPF nbr: 10.1.20.6

Outgoing interface list: (count: 0)

(10.101.101.120/32, 228.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/1, RPF nbr: 10.1.20.2

Outgoing interface list: (count: 1)

Ethernet1/3, uptime: 1d01h, pim

(10.101.101.121/32, 228.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/1, RPF nbr: 10.1.20.2

Outgoing interface list: (count: 1)

Ethernet1/3, uptime: 1d01h, pim

(10.101.101.122/32, 228.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/2, RPF nbr: 10.1.20.6

Outgoing interface list: (count: 0)

(10.101.101.123/32, 228.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/1, RPF nbr: 10.1.20.2

Outgoing interface list: (count: 1)

Ethernet1/3, uptime: 1d01h, pim

(10.101.101.124/32, 228.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.42

Outgoing interface list: (count: 0)

N7K-core-1#

N7K-core-1#

!!!!! N7K-core-2 !!!!!

N7K-core-2# show ip mroute 228.0.0.1

IP Multicast Routing Table for VRF "default"

(*, 228.0.0.1/32), uptime: 3w5d, pim ip

Incoming interface: Ethernet1/5, RPF nbr: 10.1.20.46

Outgoing interface list: (count: 1)

Ethernet1/4, uptime: 3w5d, pim

(10.101.101.115/32, 228.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/1, RPF nbr: 10.1.20.26

Outgoing interface list: (count: 2)

Ethernet1/4, uptime: 00:02:03, pim

Ethernet1/3, uptime: 1d01h, pim

(10.101.101.116/32, 228.0.0.1/32), uptime: 00:01:28, pim mrib ip

Incoming interface: Ethernet1/2, RPF nbr: 10.1.20.30

Outgoing interface list: (count: 1)

Ethernet1/4, uptime: 00:00:57, pim

(10.101.101.117/32, 228.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/1, RPF nbr: 10.1.20.26

Outgoing interface list: (count: 2)

Ethernet1/4, uptime: 00:02:03, pim

Ethernet1/3, uptime: 1d01h, pim

(10.101.101.118/32, 228.0.0.1/32), uptime: 00:01:28, pim mrib ip

Incoming interface: Ethernet1/2, RPF nbr: 10.1.20.30

Outgoing interface list: (count: 1)

Ethernet1/4, uptime: 00:00:57, pim

(10.101.101.119/32, 228.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/1, RPF nbr: 10.1.20.26

Outgoing interface list: (count: 2)

Ethernet1/4, uptime: 00:02:03, pim

Ethernet1/3, uptime: 1d01h, pim

(10.101.101.122/32, 228.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/1, RPF nbr: 10.1.20.26

Outgoing interface list: (count: 2)

Ethernet1/4, uptime: 00:02:03, pim

Ethernet1/3, uptime: 1d01h, pim

(10.101.101.123/32, 228.0.0.1/32), uptime: 00:01:28, pim mrib ip

Incoming interface: Ethernet1/2, RPF nbr: 10.1.20.30

Outgoing interface list: (count: 1)

Ethernet1/4, uptime: 00:00:57, pim

(10.101.101.124/32, 228.0.0.1/32), uptime: 1d01h, pim mrib ip

Incoming interface: Ethernet1/2, RPF nbr: 10.1.20.30

Outgoing interface list: (count: 2)

Ethernet1/3, uptime: 1d01h, pim

Ethernet1/4, uptime: 1d01h, pim

N7K-core-2#

References

ACI 2.0 Multicast Routing