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Multicast Reachability

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Description of the issue

Multicast Receivers are unable to receive traffic initiated by the Multicast source.

Verify if your device configuration matches the following configuration.

##### FE1  ########

ip routing


ip multicast-routing vrf Engineering

ip pim vrf Engineering rp-address 200.2.3.100

ip pim vrf Engineering register-source Loopback500


!

interface Loopback0

 description Fabric Node Router ID

 ip address 70.0.0.1 255.255.255.255

ip router isis

!

vrf definition Engineering

 rd 1:4099

 !

 address-family ipv4

  route-target export 1:4099

  route-target import 1:4099

 exit-address-family

!

interface Vlan1021
 mac-address 0000.5000.5000 < ---- Anycast MAc for gateway
 vrf forwarding Engineering
 ip address 100.1.1.1 255.255.255.0 <---- Anycast Gateway IP
 ip pim sparse-dense-mode
 no lisp mobility liveness test
 lisp mobility v4eid
 !

interface Loopback500
 vrf forwarding Engineering
 ip address 153.3.3.3 255.255.255.255
 ip pim sparse-mode
end


!


router lisp

 locator-set rloc_set1

  IPv4-interface Loopback0 priority 10 weight 10

  auto-discover-rlocs

  exit-locator-set

 !

 service ipv4

  encapsulation vxlan

  map-cache-limit 5119

  database-mapping limit dynamic 3000

  itr map-resolver 71.0.0.1

  etr map-server 71.0.0.1 key key1

  etr map-server 71.0.0.1 proxy-reply

  etr

  sgt

  proxy-itr 70.0.0.1

  use-petr 71.0.0.1

  exit-service-ipv4

 !

instance-id 4097

  remote-rloc-probe on-route-change

  service ipv4

   eid-table default

   exit-service-ipv4

  !

  exit-instance-id

 !

 instance-id 4099

remote-rloc-probe on-route-change
  dynamic-eid v4eid
   database-mapping 100.1.0.0/16 locator-set rloc_set1
   exit-dynamic-eid

  service ipv4

   eid-table vrf Engineering

database-mapping 153.3.3.3/32 locator-set rloc_set1 < — To register the address used by PIM source to the LISP MS/MR

map-cache 0.0.0.0/0 map-request

   exit-service-ipv4

  !

  exit-instance-id

 !

 ipv4 locator reachability exclude-default

 ipv4 source-locator Loopback0

 exit-router-lisp

!

interface LISP0.4099
 ip pim sparse-mode

!




##### FE2  ########

ip routing


ip multicast-routing vrf Engineering

ip pim vrf Engineering rp-address 200.2.3.100

ip pim vrf Engineering register-source Loopback500


!

interface Loopback0

 description Fabric Node Router ID

 ip address 70.0.0.2 255.255.255.255

ip router isis

!

vrf definition Engineering

 rd 1:4099

 !

 address-family ipv4

  route-target export 1:4099

  route-target import 1:4099

 exit-address-family

!

interface Vlan1021
 mac-address 0000.5000.5000 < ---- Anycast MAc for gateway
 vrf forwarding Engineering
 ip address 100.1.1.1 255.255.255.0 <---- Anycast Gateway IP
 ip pim sparse-dense-mode
 no lisp mobility liveness test
 lisp mobility v4eid
 !

interface Loopback500
 vrf forwarding Engineering
 ip address 153.3.3.4 255.255.255.255
 ip pim sparse-mode
end


!


router lisp

 locator-set rloc_set1

  IPv4-interface Loopback0 priority 10 weight 10

  auto-discover-rlocs

  exit-locator-set

 !

 service ipv4

  encapsulation vxlan

  map-cache-limit 5119

  database-mapping limit dynamic 3000

  itr map-resolver 71.0.0.1

  etr map-server 71.0.0.1 key key1

  etr map-server 71.0.0.1 proxy-reply

  etr

  sgt

  proxy-itr 70.0.0.2

  use-petr 71.0.0.1

  exit-service-ipv4

 !

instance-id 4097

  remote-rloc-probe on-route-change

  service ipv4

   eid-table default

   exit-service-ipv4

  !

  exit-instance-id

 !

 instance-id 4099

remote-rloc-probe on-route-change
  dynamic-eid v4eid
   database-mapping 100.1.0.0/16 locator-set rloc_set1
   exit-dynamic-eid

  service ipv4

   eid-table vrf Engineering

database-mapping 153.3.3.4/32 locator-set rloc_set1 < — To register the address used by PIM source to the LISP MS/MR

map-cache 0.0.0.0/0 map-request

   exit-service-ipv4

  !

  exit-instance-id

 !

 ipv4 locator reachability exclude-default

 ipv4 source-locator Loopback0

 exit-router-lisp

!

interface LISP0.4099
 ip pim sparse-mode

!

##### FB1  ########

ip routing


ip multicast-routing vrf Engineering

ip pim vrf Engineering rp-address 200.2.3.100

ip pim vrf Engineering register-source Loopback500


!

interface Loopback0

 description Fabric Node Router ID

 ip address 71.0.0.1 255.255.255.255

ip router isis

!

vrf definition Engineering

 rd 1:4099

 !

 address-family ipv4

  route-target export 1:4099

  route-target import 1:4099

 exit-address-family

 !

 address-family ipv6

  route-target export 1:4099

  route-target import 1:4099

 exit-address-family

!

interface Loopback1021 ----- ( Anycast gateway IP configured for DHCP OFFER punt)

 vrf forwarding Engineering

 ip address 100.1.1.1 255.255.255.255

!

interface Loopback500
 vrf forwarding Engineering
 ip address 200.2.3.100 255.255.255.255
 ip pim sparse-mode
end


!

interface Vlan 2001
 vrf forwarding Engineering
 ip address 200.0.0.1 255.255.255.0
 ip pim sparse-mode
end


!


router lisp

 locator-set rloc_set1

  IPv4-interface Loopback0 priority 10 weight 10

  auto-discover-rlocs

  exit-locator-set

 !

 service ipv4

  encapsulation vxlan

  map-cache-limit 5119

  database-mapping limit dynamic 3000

  itr map-resolver 71.0.0.1

  etr map-server 71.0.0.1 key key1

  etr map-server 71.0.0.1 proxy-reply

  etr

  sgt

  proxy-etr

  proxy-itr 71.0.0.1

  map-server

  map-resolver

  exit-service-ipv4

 !

instance-id 4097

  remote-rloc-probe on-route-change

  service ipv4

   eid-table default

   route-export site-registrations

   distance site-registrations 250

   map-cache site-registration

   exit-service-ipv4

  !

  exit-instance-id

 !

 instance-id 4098

  remote-rloc-probe on-route-change

  service ipv4

   eid-table vrf DEFAULT_VN

   route-export site-registrations

   distance site-registrations 250

   map-cache site-registration

   exit-service-ipv4

  !

exit-instance-id

 !

 instance-id 4099

  remote-rloc-probe on-route-change

  service ipv4

   eid-table vrf Engineering

database-mapping 200.2.3.100/32 locator-set rloc_set1 < — To register the RP address to the LISP MS/MR

route-import database bgp 65001 route-map database locator-set rloc_set1 ( — Replacement of redistribute bgp under router ospf)

   route-export site-registrations

   distance site-registrations 250

   map-cache site-registration

   exit-service-ipv4

  !

  exit-instance-id

 !

!

 site site_uci

  authentication-key key1

  eid-record instance-id 4097 0.0.0.0/0 accept-more-specifics

  eid-record instance-id 4098 0.0.0.0/0 accept-more-specifics

  eid-record instance-id 4099 0.0.0.0/0 accept-more-specifics

  exit-site

 !

 !

 ipv4 locator reachability exclude-default

 ipv4 source-locator Loopback0

 exit-router-lisp

!

interface LISP0.4099
 ip pim sparse-mode

!

router bgp 65001

 bgp router-id interface Loopback0

 bgp log-neighbor-changes

 bgp graceful-restart

 !

address-family ipv4 vrf vn1

  network 173.168.127.1 mask 255.255.255.255 

  network 200.2.3.100 mask 255.255.255.255 < ---- To advertise the RP address to upstream routers

  aggregate-address 173.168.227.0 255.255.255.0 summary-only

  aggregate-address 173.168.127.0 255.255.255.0 summary-only

  neighbor 200.0.0.2 remote-as 65002

  neighbor 200.0.0.2 activate

 exit-address-family

!

route-map database permit 10

 match ip address prefix-list external_prefix

!

ip prefix-list external_prefix seq 5 permit 200.0.0.0/8

Solution

Run the commands in the Post-SDA Troubleshooting to verify your device configuration. Fix errors, if any.

Pre-SDA Troubleshooting

show ip mroute vrf <vrf_name>

show ip mfib vrf <vrf_name>

 

Post-SDA Troubleshooting

  1. Check if the PIM tunnel is up.
    ===== FE1 ======

    FE1#show  ip pim  vrf Engineering tunnel 
    Tunnel3 
      Type       : PIM Encap
      RP         : 200.2.3.100
      Source     : 153.3.3.3
      State      : UP
      Last event : Created (00:07:29)
  2.  Ensure IGMP joins are received on the Fabric node connected to the Multicast receiver.
    FE1#show  ip igmp  vrf Engineering groups  226.1.1.1 detail

    Flags: L - Local, U - User, SG - Static Group, VG - Virtual Group,

           SS - Static Source, VS - Virtual Source,

           Ac - Group accounted towards access control limit

    Interface: Vlan1021

    Group: 226.1.1.1

    Flags: L U 

    Uptime: 00:01:50

    Group mode: EXCLUDE (Expires: 00:02:27)

    Last reporter: 100.1.1.10

    Source list is empty
  3. Verify if RPF check passes for RP address.
    FE1#show  ip rpf vrf Engineering 200.2.3.100 

    RPF information for ? (200.2.3.100)

      RPF interface: LISP0.4099

      RPF neighbor: ? (71.0.0.1)

      RPF route/mask: 200.2.3.100/32

      RPF type: unicast ()

      Doing distance-preferred lookups across tables

      RPF topology: ipv4 multicast base
  4. Verify the output on receipt of joins from receiver and before sending traffic from source.
    FE1#show  ip mroute  vrf Engineering 226.1.1.1

    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, 
           G - Received BGP C-Mroute, g - Sent BGP C-Mroute, 
           N - Received BGP Shared-Tree Prune, n - BGP C-Mroute suppressed, 
           Q - Received BGP S-A Route, q - Sent BGP S-A Route, 
           V - RD & Vector, v - Vector, p - PIM Joins on route, 
           x - VxLAN group, c - PFP-SA cache created entry, 
           * - determined by Assert
    Outgoing interface flags: H - Hardware switched, A - Assert winner, p - PIM Join
     Timers: Uptime/Expires
     Interface state: Interface, Next-Hop or VCD, State/Mode

    (*, 226.1.1.1), 00:01:34/00:02:58, RP 200.2.3.100, flags: SJCL
      Incoming interface: LISP0.4099, RPF nbr 71.0.0.1 < — RLOC of FB1
      Outgoing interface list:
        Vlan1021, Forward/Sparse-Dense, 00:01:34/00:02:58
  5. Verify S, G entry after starting traffic from the source.
    FE1#show  ip mroute  vrf Engineering 226.1.1.1 < — 

    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, 

           G - Received BGP C-Mroute, g - Sent BGP C-Mroute, 

           N - Received BGP Shared-Tree Prune, n - BGP C-Mroute suppressed, 

           Q - Received BGP S-A Route, q - Sent BGP S-A Route, 

           V - RD & Vector, v - Vector, p - PIM Joins on route, 

           x - VxLAN group, c - PFP-SA cache created entry, 

           * - determined by Assert

    Outgoing interface flags: H - Hardware switched, A - Assert winner, p - PIM Join

     Timers: Uptime/Expires

     Interface state: Interface, Next-Hop or VCD, State/Mode

    (*, 226.1.1.1), 00:21:37/stopped, RP 200.2.3.100, flags: SJCL

      Incoming interface: LISP0.4099, RPF nbr 71.0.0.1

      Outgoing interface list:

        Vlan1021, Forward/Sparse-Dense, 00:21:37/00:02:15

    (200.5.6.100, 226.1.1.1), 00:02:12/00:00:47, flags: JT <---- S,G entry after traffic sent from source

      Incoming interface: LISP0.4099, RPF nbr 71.0.0.1

      Outgoing interface list:

        Vlan1021, Forward/Sparse-Dense, 00:02:12/00:02:15
  6. Verify traffic hitting the mfib entry.
    FE1#show  ip mfib  vrf Engineering  226.1.1.1 

    Entry Flags:    C - Directly Connected, S - Signal, IA - Inherit A flag,

                    ET - Data Rate Exceeds Threshold, K - Keepalive

                    DDE - Data Driven Event, HW - Hardware Installed

                    ME - MoFRR ECMP entry, MNE - MoFRR Non-ECMP entry, MP - MFIB 

                    MoFRR Primary, RP - MRIB MoFRR Primary, P - MoFRR Primary

                    MS  - MoFRR  Entry in Sync, MC - MoFRR entry in MoFRR Client.

    I/O Item Flags: IC - Internal Copy, NP - Not platform switched,

                    NS - Negate Signalling, SP - Signal Present,

                    A - Accept, F - Forward, RA - MRIB Accept, RF - MRIB Forward,

                    MA - MFIB Accept, A2 - Accept backup,

                    RA2 - MRIB Accept backup, MA2 - MFIB Accept backup

    Forwarding Counts: Pkt Count/Pkts per second/Avg Pkt Size/Kbits per second

    Other counts:      Total/RPF failed/Other drops

    I/O Item Counts:   FS Pkt Count/PS Pkt Count

    VRF Engineering

     (*,226.1.1.1) Flags: C HW

       SW Forwarding: 0/0/0/0, Other: 0/0/0

       HW Forwarding:   625/0/104/0, Other: 0/0/0

       LISP0.4099 Flags: A NS

       Vlan1021 Flags: F IC NS

         Pkts: 0/0

     (200.5.6.100,226.1.1.1) Flags: HW

       SW Forwarding: 0/0/0/0, Other: 0/0/0

       HW Forwarding:   2523851/9899/104/8043, Other: 0/0/0 <---- Verify counters incrementing for S,G entry

       LISP0.4099 Flags: A

       Vlan1021 Flags: F IC NS

         Pkts: 0/0
  7. Repeat steps on FE2.
    ==== FE2 ====

    FE2#show  ip pim  vrf Engineering tunnel 
    Tunnel3 
      Type       : PIM Encap
      RP         : 200.2.3.100
      Source     : 153.3.3.4
      State      : UP
      Last event : Created (00:07:29)

    FE2#show  ip igmp  vrf Engineering groups  226.1.1.1 detail

    Flags: L - Local, U - User, SG - Static Group, VG - Virtual Group,
           SS - Static Source, VS - Virtual Source,
           Ac - Group accounted towards access control limit

    Interface: Vlan1021
    Group: 226.1.1.1
    Flags: L U 
    Uptime: 00:01:50
    Group mode: EXCLUDE (Expires: 00:02:27)
    Last reporter: 100.1.1.11
    Source list is empty


     

    FE2#show  ip rpf vrf Engineering 200.2.3.100
    RPF information for ? (200.2.3.100)
      RPF interface: LISP0.4099
      RPF neighbor: ? (71.0.0.1)
      RPF route/mask: 200.2.3.100/32
      RPF type: unicast ()
      Doing distance-preferred lookups across tables
      RPF topology: ipv4 multicast base





    FE2#show  ip mroute  vrf Engineering 226.1.1.1 <--- Output  on Sending joins from receiver and  before sending traffic from source)
    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, 
           G - Received BGP C-Mroute, g - Sent BGP C-Mroute, 
           N - Received BGP Shared-Tree Prune, n - BGP C-Mroute suppressed, 
           Q - Received BGP S-A Route, q - Sent BGP S-A Route, 
           V - RD & Vector, v - Vector, p - PIM Joins on route, 
           x - VxLAN group, c - PFP-SA cache created entry, 
           * - determined by Assert
    Outgoing interface flags: H - Hardware switched, A - Assert winner, p - PIM Join
     Timers: Uptime/Expires
     Interface state: Interface, Next-Hop or VCD, State/Mode

    (*, 226.1.1.1), 00:01:34/00:02:58, RP 200.2.3.100, flags: SJCL
      Incoming interface: LISP0.4099, RPF nbr 71.0.0.1
      Outgoing interface list:
        Vlan1500, Forward/Sparse-Dense, 00:01:34/00:02:58


     

    FE2#show  ip mroute  vrf Engineering 226.1.1.1 < — Verify S,G entry after starting traffic from source
    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, 
           G - Received BGP C-Mroute, g - Sent BGP C-Mroute, 
           N - Received BGP Shared-Tree Prune, n - BGP C-Mroute suppressed, 
           Q - Received BGP S-A Route, q - Sent BGP S-A Route, 
           V - RD & Vector, v - Vector, p - PIM Joins on route, 
           x - VxLAN group, c - PFP-SA cache created entry, 
           * - determined by Assert
    Outgoing interface flags: H - Hardware switched, A - Assert winner, p - PIM Join
     Timers: Uptime/Expires
     Interface state: Interface, Next-Hop or VCD, State/Mode

    (*, 226.1.1.1), 00:21:37/stopped, RP 200.2.3.100, flags: SJCL
      Incoming interface: LISP0.4099, RPF nbr 71.0.0.1
      Outgoing interface list:
        Vlan1021, Forward/Sparse-Dense, 00:21:37/00:02:15

    (200.5.6.100, 226.1.1.1), 00:02:12/00:00:47, flags: JT <---- S,G entry after traffic sent from source
      Incoming interface: LISP0.4099, RPF nbr 71.0.0.1
      Outgoing interface list:
        Vlan1021, Forward/Sparse-Dense, 00:02:12/00:02:15


     

    FE2#show  ip mfib  vrf Engineering  226.1.1.1
    Entry Flags:    C - Directly Connected, S - Signal, IA - Inherit A flag,
                    ET - Data Rate Exceeds Threshold, K - Keepalive
                    DDE - Data Driven Event, HW - Hardware Installed
                    ME - MoFRR ECMP entry, MNE - MoFRR Non-ECMP entry, MP - MFIB 
                    MoFRR Primary, RP - MRIB MoFRR Primary, P - MoFRR Primary
                    MS  - MoFRR  Entry in Sync, MC - MoFRR entry in MoFRR Client.
    I/O Item Flags: IC - Internal Copy, NP - Not platform switched,
                    NS - Negate Signalling, SP - Signal Present,
                    A - Accept, F - Forward, RA - MRIB Accept, RF - MRIB Forward,
                    MA - MFIB Accept, A2 - Accept backup,
                    RA2 - MRIB Accept backup, MA2 - MFIB Accept backup

    Forwarding Counts: Pkt Count/Pkts per second/Avg Pkt Size/Kbits per second
    Other counts:      Total/RPF failed/Other drops
    I/O Item Counts:   FS Pkt Count/PS Pkt Count
    VRF vrf5000
     (*,226.1.1.1) Flags: C HW
       SW Forwarding: 0/0/0/0, Other: 0/0/0
       HW Forwarding:   625/0/104/0, Other: 0/0/0
       LISP0.4099 Flags: A NS
       Vlan1021 Flags: F IC NS
         Pkts: 0/0
     (200.5.6.100,226.1.1.1) Flags: HW
       SW Forwarding: 0/0/0/0, Other: 0/0/0
       HW Forwarding:   2523851/9899/104/8043, Other: 0/0/0 <---- Verify counters incrementing for S,G entry
       LISP0.4099 Flags: A
       Vlan1021 Flags: F IC NS
         Pkts: 0/0
  8. Repeat steps on Fabric Border (FB)
    ==== FB1 ====




    FB1#show  ip pim  vrf Engineering tunnel 
    Tunnel5 
      Type       : PIM Encap
      RP         : 200.2.3.100*
      Source     : 200.2.3.100
      State      : UP
      Last event : Created (02:39:37)
    Tunnel7* 
      Type       : PIM Decap
      RP         : 200.2.3.100*
      Source     : -
      State      : UP
      Last event : Created (02:39:37)





    FBR#show  ip mroute  vrf Engineering 226.1.1.1 <--- Output  on Sending joins from receiver and  before sending traffic from source)
    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, 
           G - Received BGP C-Mroute, g - Sent BGP C-Mroute, 
           N - Received BGP Shared-Tree Prune, n - BGP C-Mroute suppressed, 
           Q - Received BGP S-A Route, q - Sent BGP S-A Route, 
           V - RD & Vector, v - Vector, p - PIM Joins on route, 
           x - VxLAN group, c - PFP-SA cache created entry, 
           * - determined by Assert
    Outgoing interface flags: H - Hardware switched, A - Assert winner, p - PIM Join
     Timers: Uptime/Expires
     Interface state: Interface, Next-Hop or VCD, State/Mode

    (*, 226.1.1.1), 00:04:39/00:03:03, RP 200.2.3.100, flags: S
      Incoming interface: Null, RPF nbr 0.0.0.0
      Outgoing interface list:
        LISP0.4099, 70.0.0.1, Forward/Sparse, 00:04:39/00:03:03 < ---- 2 entries as there are 2 receivers behind 2 FEs


          LISP0.4099, 70.0.0.2, Forward/Sparse, 00:04:39/00:03:03 <-----

     

    SG-FBR1#show  ip mroute  vrf vrf5000 226.1.1.1 <---- Verify S,G entry after starting traffic from source
    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, 
           G - Received BGP C-Mroute, g - Sent BGP C-Mroute, 
           N - Received BGP Shared-Tree Prune, n - BGP C-Mroute suppressed, 
           Q - Received BGP S-A Route, q - Sent BGP S-A Route, 
           V - RD & Vector, v - Vector, p - PIM Joins on route, 
           x - VxLAN group, c - PFP-SA cache created entry, 
           * - determined by Assert
    Outgoing interface flags: H - Hardware switched, A - Assert winner, p - PIM Join
     Timers: Uptime/Expires
     Interface state: Interface, Next-Hop or VCD, State/Mode

    (*, 226.1.1.1), 00:26:17/00:03:02, RP 200.2.3.100, flags: S
      Incoming interface: Null, RPF nbr 0.0.0.0
      Outgoing interface list:
        LISP0.4099, 70.0.0.1, Forward/Sparse, 00:26:17/00:03:02


         LISP0.4099, 70.0.0.2, Forward/Sparse, 00:26:17/00:03:02

    (200.5.6.100226.1.1.1), 00:06:03/00:01:55, flags: T
      Incoming interface: Vlan2001, RPF nbr 200.0.0.2
      Outgoing interface list:
        LISP0.4099, 70.0.0.1, Forward/Sparse, 00:06:03/00:03:02


         LISP0.4099, 70.0.0.2, Forward/Sparse, 00:06:03/00:03:02

     

    FB1#show  ip mfib vrf Engineering  226.1.1.1
    Entry Flags:    C - Directly Connected, S - Signal, IA - Inherit A flag,
                    ET - Data Rate Exceeds Threshold, K - Keepalive
                    DDE - Data Driven Event, HW - Hardware Installed
                    ME - MoFRR ECMP entry, MNE - MoFRR Non-ECMP entry, MP - MFIB 
                    MoFRR Primary, RP - MRIB MoFRR Primary, P - MoFRR Primary
                    MS  - MoFRR  Entry in Sync, MC - MoFRR entry in MoFRR Client.
    I/O Item Flags: IC - Internal Copy, NP - Not platform switched,
                    NS - Negate Signalling, SP - Signal Present,
                    A - Accept, F - Forward, RA - MRIB Accept, RF - MRIB Forward,
                    MA - MFIB Accept, A2 - Accept backup,
                    RA2 - MRIB Accept backup, MA2 - MFIB Accept backup

    Forwarding Counts: Pkt Count/Pkts per second/Avg Pkt Size/Kbits per second
    Other counts:      Total/RPF failed/Other drops
    I/O Item Counts:   FS Pkt Count/PS Pkt Count
    VRF Engineering
     (*,226.1.1.1) Flags: C HW
       SW Forwarding: 0/0/0/0, Other: 0/0/0
       HW Forwarding:   3/0/84/0, Other: 0/0/0
       Tunnel7 Flags: A
       LISP0.4099, 70.0.0.1 Flags: F NS
         Pkts: 0/0
     (200.5.6.100,226.1.1.1) Flags: HW
       SW Forwarding: 0/0/0/0, Other: 0/0/0
       HW Forwarding:   8428458/10000/99/7812, Other: 0/0/0
       Vlan2001 Flags: A
       LISP0.4099, 70.0.0.1Flags: F NS
         Pkts: 0/0


      LISP0.4099, 70.0.0.2Flags: F NS
         Pkts: 0/0
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