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Reg: IGMP Static Not working

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Hi All

I have an issue where  multicast from Linux server is not flowing to Client via 6509 VSS.

Linux server 1 and 2 sends multicast traffc to Vlan 300 and I have configured IGMP Static-join in Vlan 350 to fetch the multicast traffic. However I am not seeing traffic flowing to Interfaces configured in Vlan 350 and rather traffic from Linus server 1 and 2 keeps on flowing between each other via VSL links may be due to Multicast traffic nature.

Could you please help me in this if you think there is any issue in configuration. I can see "bad hop count" is increasing in show ip traffic output however i have ip multicast ttl-threshold 255 configured under both vlan interface. 

 

 

 

I have shown the configuration below from Cisco VSS

 

RM207SW01#SHow RUNning-config interface vlan300
Building configuration...

Current configuration : 212 bytes
!
interface Vlan300
 description Contribution LAN from Encoders
 ip address 10.10.30.1 255.255.255.0
 no ip redirects
 no ip unreachables
 no ip proxy-arp
 ip pim sparse-mode
 ip multicast ttl-threshold 255
end

RM207SW01#
interface Vlan350
 description Distribution LAN towards Origin Servers
 ip address 10.10.35.1 255.255.255.0
 no ip redirects
 no ip unreachables
 no ip proxy-arp
 ip pim sparse-mode
 ip multicast ttl-threshold 255
 ip igmp static-group 234.81.140.8
 ip igmp static-group 234.81.140.7
 ip igmp static-group 234.81.140.6
 ip igmp static-group 234.81.140.5
 ip igmp static-group 234.81.140.4
 ip igmp static-group 234.81.140.3
 ip igmp static-group 234.81.140.2
 ip igmp static-group 234.81.140.1
end

 


RM207SW01#show running-config interface gi1/2/2
Building configuration...

Current configuration : 310 bytes
!
interface GigabitEthernet1/2/2
 description "connected to Linux Server 1 (Eth2) Port Channel 3"
 switchport
 switchport access vlan 300
 switchport mode access
 logging event link-status
 load-interval 30
 mls qos vlan-based
 no cdp enable
 lacp rate fast
 channel-protocol lacp
 channel-group 3 mode active
end

RM207SW01#show running-config interface gi1/2/3
Building configuration...

Current configuration : 311 bytes
!
interface GigabitEthernet1/2/3
 description "connected to Linux Server 2 (Eth 2) Port Channel 4"
 switchport
 switchport access vlan 300
 switchport mode access
 logging event link-status
 load-interval 30
 mls qos vlan-based
 no cdp enable
 lacp rate fast
 channel-protocol lacp
 channel-group 4 mode active
end

RM207SW01#
RM207SW01#show running-config interface gi1/2/8
Building configuration...

Current configuration : 316 bytes
!
interface GigabitEthernet1/2/8
 description "connected to Linux Server 3 (Eth 2) Port Channel 6"
 switchport
 switchport access vlan 350
 switchport mode access
 logging event link-status
 load-interval 30
 mls qos vlan-based
 no cdp enable
 lacp rate fast
 channel-protocol lacp
 channel-group 6 mode active
end

RM207SW01#


RM207SW01#show interfaces po4
Port-channel4 is up, line protocol is up (connected)
  Hardware is EtherChannel, address is 6412.25c5.c192 (bia 6412.25c5.c192)
  Description: LAG-Towards Encoders 2
  MTU 1500 bytes, BW 2000000 Kbit, DLY 10 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Full-duplex, 1000Mb/s, media type is unknown
  input flow-control is off, output flow-control is on
  Members in this channel: Gi1/2/3 Gi2/2/3
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input never, output never, output hang never
  Last clearing of "show interface" counters 00:31:08
  Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 2000 bits/sec, 2 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     3759 packets input, 479808 bytes, 0 no buffer
     Received 3759 broadcasts (3759 multicasts)
     0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog, 0 multicast, 0 pause input
     0 input packets with dribble condition detected
     1168 packets output, 84148 bytes, 0 underruns
     0 output errors, 0 collisions, 0 interface resets
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier, 0 PAUSE output
     0 output buffer failures, 0 output buffers swapped out
RM207SW01#
RM207SW01#
RM207SW01#


RM207SW01#show running-config interface po6
Building configuration...

Current configuration : 234 bytes
!
interface Port-channel6
 description "LAG-Towards OS-1 for Vlan 350"
 switchport
 switchport access vlan 350
 switchport mode access
 logging event link-status
 logging event bundle-status
 load-interval 30
 mls qos vlan-based
end

RM207SW01#

 

RM207SW01#show ip igmp membership
Flags: A  - aggregate, T - tracked
       L  - Local, S - static, V - virtual, R - Reported through v3
       I - v3lite, U - Urd, M - SSM (S,G) channel
       1,2,3 - The version of IGMP, the group is in
Channel/Group-Flags:
       / - Filtering entry (Exclude mode (S,G), Include mode (G))
Reporter:
       <mac-or-ip-address> - last reporter if group is not explicitly tracked
       <n>/<m>      - <n> reporter in include mode, <m> reporter in exclude

 Channel/Group                  Reporter        Uptime   Exp.  Flags  Interface
 *,234.81.140.4                 10.10.35.1      23:48:58 stop  2SA    Vl350
 *,234.81.140.5                 0.0.0.0         00:00:24 stop  2SA    Vl350
 *,234.81.140.6                 0.0.0.0         00:00:39 stop  2SA    Vl350
 *,234.81.140.7                 0.0.0.0         00:00:40 stop  2SA    Vl350
 *,234.81.140.1                 0.0.0.0         00:00:20 stop  2SA    Vl350
 *,234.81.140.2                 0.0.0.0         00:00:21 stop  2SA    Vl350
 *,234.81.140.3                 0.0.0.0         00:00:22 stop  2SA    Vl350
 *,234.81.140.8                 0.0.0.0         00:00:42 stop  2SA    Vl350
 *,224.0.1.40                   10.10.30.1      23:46:52 02:36 2LA    Vl300
RM207SW01#

 

207SW01#show ip mroute
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

(*, 234.81.140.4), 18:28:02/00:02:03, RP 0.0.0.0, flags: SJC
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list:
    Vlan350, Forward/Sparse, 18:28:02/00:02:03 (ttl-threshold 255)

(*, 234.81.140.5), 18:28:02/00:02:16, RP 0.0.0.0, flags: SJC
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list:
    Vlan350, Forward/Sparse, 00:00:43/00:02:16 (ttl-threshold 255)

(*, 234.81.140.6), 18:28:02/00:02:01, RP 0.0.0.0, flags: SJC
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list:
    Vlan350, Forward/Sparse, 00:00:58/00:02:01 (ttl-threshold 255)

(*, 234.81.140.7), 18:28:02/00:02:00, RP 0.0.0.0, flags: SJC
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list:
    Vlan350, Forward/Sparse, 00:00:59/00:02:00 (ttl-threshold 255)

(*, 234.81.140.1), 18:28:02/00:02:20, RP 0.0.0.0, flags: SJC
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list:
    Vlan350, Forward/Sparse, 00:00:39/00:02:20 (ttl-threshold 255)

(*, 234.81.140.2), 18:28:02/00:02:19, RP 0.0.0.0, flags: SJC
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list:
    Vlan350, Forward/Sparse, 00:00:40/00:02:19 (ttl-threshold 255)

(*, 234.81.140.3), 18:28:02/00:02:18, RP 0.0.0.0, flags: SJC
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list:
    Vlan350, Forward/Sparse, 00:00:41/00:02:18 (ttl-threshold 255)

(*, 234.81.140.8), 18:28:02/00:01:58, RP 0.0.0.0, flags: SJC
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list:
    Vlan350, Forward/Sparse, 00:01:01/00:01:58 (ttl-threshold 255)

(*, 224.0.1.40), 18:28:02/00:02:17, RP 0.0.0.0, flags: DCL
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list:
    Vlan300, Forward/Sparse, 18:28:03/00:02:16 (ttl-threshold 255)

RM207SW01#

 

 


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