[Xorp-users] Basic Multicast Router configuration
Pavlin Radoslavov
pavlin@icir.org
Wed, 16 Mar 2005 02:24:10 -0800
> I'm a newbie in Multicast Routing Domain.
> I'd like to make a basic Multicast Router configuration to work.
> Here it is :
>
> Workstation A --------------- Xorp Router -------------- Workstation B
> 192.168.0.2 192.168.0.199 / 172.20.16.199 172.20.16.22
> eth0 eth0 eth1
> eth0
> Send Multicast Packets
> Wait for Multicast Packets
> using iperf -c (see below)
> using iperf -s (see below)
>
> Workstation B : iperf -s -u -B 224.0.55.55 -i 1
> Workstation A : iperf -c 2240.0.55.55 -u -T 32 -t 10 -i 1
~~~~
I presume this is a typo, and in your test you used 224 instead.
> So TTL is set to 32
>
> My router is a Linux Fedora Core 3 (I suppose MROUTE and PIM activate in
> kernel)
> unicast ip_forwardink is ok - Stations can ping to each other.
> cat /proc/sys/net/ipv4/conf/all/rp_filter --> 0
> cat /proc/sys/net/ipv4/conf/all/mc_forward --> 0
>
>
> When B start iperf Xorp router seems to take it into account.
> When A start sending Multicast Packet I can see them with tcpdump
> but nothing happened and Xorp Router don't forward them to B
>
> Thanks, help me !
>
> Some questions about Multicast :
> ===========================
> Is IGMP needed when using PIMSM ?
In theory, no, but for all practical purposes IGMP is
needed. Otherwise, without IGMP the PIM-SM router cannot learn about
directly-connected multicast receivers.
> What is RP/RPS in PIM ?
The RP (Rendezvous Point) in PIM-SM is the special router that
is used by both senders and receivers: the PIM-SM routers directly
connected to receivers join toward the RP and by doing so they
create the multicast distribution tree. The multicast data from the
senders is sent toward the RP, and then distributed down to all
receivers. In other words, the RP is the special "meeting" point for
the senders and the receivers.
In reality, there can be more than one RP per domain. E.g., one or
several Candidate-RPs per multicast prefix. If the current RP fails,
another one is automatically elected and used instead.
> Where can i find nice documentation about PIM configuration (for
> beginners) ?
The following URL contains some basic information about configuring
XORP:
http://www.xorp.org/getting_started.html
In addition, you could check the xorpdev 101 document
(currently, available only from xorp/docs/xorpdev_101 in the CVS
repository).
> what's about targetname: "MFEA_4", "IGMP",... ?
You can (and should) ignore them so they will have their default
values. Those are the default target names used by the XORP
inter-process communcation mechanism (the XRLs).
> Some other questions about my log :
> ===========================
>
> Why did i get this messages from xorp_rtrmgr running :
>
> [ 2005/03/15 18:34:36 WARNING xorp_rtrmgr:2657 XrlFinderTarget +406
> finder_base.cc handle_finder_0_2_resolve_xrl ] Handling method for
> finder/0.2/resolve_xrl failed: XrlCmdError 102 Command failed Xrl target
> is not enabled.
>
> Running module: igmp (/usr/local/xorp/mld6igmp/xorp_igmp)
> [ 2005/03/15 18:34:50 WARNING xorp_rtrmgr:2657 XrlFinderTarget +406
> finder_base.cc handle_finder_0_2_resolve_xrl ] Handling method for
> finder/0.2/resolve_xrl failed: XrlCmdError 102 Command failed Target
> "IGMP" does not exist or is not enabled.
>
> [ 2005/03/15 18:34:53 WARNING xorp_rtrmgr:2657 XrlFinderTarget +406
> finder_base.cc handle_finder_0_2_resolve_xrl ] Handling method for
> finder/0.2/resolve_xrl failed: XrlCmdError 102 Command failed Target
> "PIMSM_4" does not exist or is not enabled.
You can ignore the above warnings. Those are transient warnings
during startup.
>
>
> Here my xorp configuration file and some dumps :
It appears that you have forgotten to configure interface eth0
inside "protocols pimsm4". I hope that will fix the problem.
Regards,
Pavlin
>
> =============================================================================
> XORP> show
> fea {
> enable-unicast-forwarding4: true
> targetname: "fea"
> }
> interfaces {
> interface eth0 {
> description: "data interface"
> enabled: true
> vif eth0 {
> enabled: true
> address 192.168.0.199 {
> prefix-length: 24
> broadcast: 192.168.0.255
> enabled: true
> }
> }
> }
> interface eth1 {
> description: "data interface"
> enabled: true
> vif eth1 {
> enabled: true
> address 172.20.16.199 {
> prefix-length: 16
> broadcast: 172.20.255.255
> enabled: true
> }
> }
> }
> targetname: "fea"
> }
> plumbing {
> mfea4 {
> enabled: true
> interface eth1 {
> vif eth1 {
> enabled: true
> }
> }
> interface eth0 {
> vif eth0 {
> enabled: true
> }
> }
> interface register_vif {
> vif register_vif {
> enabled: true
> }
> }
> traceoptions {
> flag {
> all {
> enabled: true
> }
> }
> }
> targetname: "MFEA_4"
> }
> }
> protocols {
> igmp {
> interface eth0 {
> vif eth0 {
> enabled: true
> }
> }
> interface eth1 {
> vif eth1 {
> enabled: true
> }
> }
> traceoptions {
> flag {
> all {
> enabled: true
> }
> }
> }
> targetname: "IGMP"
> enabled: true
> }
> pimsm4 {
> enabled: true
> interface eth1 {
> vif eth1 {
> enabled: true
> dr-priority: 1
> }
> }
> interface register_vif {
> vif register_vif {
> enabled: true
> dr-priority: 1
> }
> }
> static-rps {
> rp 172.20.16.199 {
> group-prefix 224.0.0.0/4 {
> rp-priority: 192
> hash-mask-len: 30
> }
> }
> }
> switch-to-spt-threshold {
> enabled: true
> interval-sec: 100
> bytes: 102400
> }
> traceoptions {
> flag {
> all {
> enabled: true
> }
> }
> }
> targetname: "PIMSM_4"
> }
> fib2mrib {
> enabled: true
> targetname: "fib2mrib"
> }
> }
>
> =============================================================================
>
> Xorp> show pim interface
> Interface State Mode V PIMstate Priority DRaddr Neighbors
> eth0 DISABLED Sparse 2 NotDR 1 0.0.0.0 0
> eth1 UP Sparse 2 DR 1 172.20.16.199 0
> register_vif UP Sparse 2 DR 1 0.0.0.0 0
>
> =============================================================================
> Xorp> show pim join
> Group Source RP Flags
> 224.0.55.55 0.0.0.0 172.20.16.199 WC
> Upstream interface (RP): register_vif
> Upstream MRIB next hop (RP): UNKNOWN
> Upstream RPF'(*,G): UNKNOWN
> Upstream state: Joined
> Join timer: 39
> Local receiver include WC: .O.
> Joins RP: ...
> Joins WC: ...
> Join state: ...
> Prune state: ...
> Prune pending state: ...
> I am assert winner state: ...
> I am assert loser state: ...
> Assert winner WC: ...
> Assert lost WC: ...
> Assert tracking WC: .OO
> Could assert WC: .O.
> I am DR: .OO
> Immediate olist RP: ...
> Immediate olist WC: .O.
> Inherited olist SG: .O.
> Inherited olist SG_RPT: .O.
> PIM include WC: .O.
>
> =============================================================================
>
> Xorp> show pim mrib
> DestPrefix NextHopRouter VifName VifIndex MetricPref Metric
> 172.20.0.0/16 172.20.16.199 eth1 1 0 0
> 192.168.0.0/24 192.168.0.199 eth0 0 0 0
>
> =============================================================================
>
> Xorp> show pim mfc
> Group Source RP
>
> =============================================================================
> Xorp> show pim rps
> RP Type Pri Holdtime Timeout ActiveGroups
> GroupPrefix
> 172.20.16.199 static 192 -1 -1 1
> 224.0.0.0/4
> Xorp>
>
>
> =============================================================================
> ! Trace from xorp_rtrmgr
> =============================================================================
>
> [root@rxy bin]# ./xorp_rtrmgr
> [ 2005/03/15 18:34:34 INFO xorp_rtrmgr:2657 RTRMGR +134
> master_conf_tree.cc execute ] Changed modules: interfaces, fea, mfea4,
> rib, fib2mrib, igmp, pimsm4
> [ 2005/03/15 18:34:34 INFO xorp_rtrmgr:2657 RTRMGR +356
> module_manager.cc run ] Running module: interfaces
> (/usr/local/xorp/fea/xorp_fea)
> [ 2005/03/15 18:34:36 WARNING xorp_rtrmgr:2657 XrlFinderTarget +406
> finder_base.cc handle_finder_0_2_resolve_xrl ] Handling method for
> finder/0.2/resolve_xrl failed: XrlCmdError 102 Command failed Xrl target
> is not enabled.
> [ 2005/03/15 18:34:38 INFO xorp_rtrmgr:2657 RTRMGR +356
> module_manager.cc run ] Running module: fea (/usr/local/xorp/fea/xorp_fea)
> [ 2005/03/15 18:34:44 INFO xorp_rtrmgr:2657 RTRMGR +356
> module_manager.cc run ] Running module: mfea4 (/usr/local/xorp/fea/xorp_fea)
> [ 2005/03/15 18:34:44 TRACE xorp_rtrmgr RTRMGR ] Startup with XRL:
> >finder://MFEA_4/mfea/0.1/start_mfea<
> [ 2005/03/15 18:34:45 INFO xorp_fea MFEA ] New vif: Vif[eth0] pif_index:
> 2 vif_index: 0 addr: 192.168.0.199 subnet: 192.168.0.0/24 broadcast:
> 192.168.0.255 peer: 0.0.0.0 Flags: MULTICAST BROADCAST UNDERLYING_VIF_UP
> [ 2005/03/15 18:34:45 INFO xorp_fea MFEA ] New vif: Vif[eth1] pif_index:
> 3 vif_index: 1 addr: 172.20.16.199 subnet: 172.20.0.0/16 broadcast:
> 172.20.255.255 peer: 0.0.0.0 Flags: MULTICAST BROADCAST UNDERLYING_VIF_UP
> [ 2005/03/15 18:34:46 INFO xorp_fea MFEA ] Enabled vif: eth1
> [ 2005/03/15 18:34:46 INFO xorp_fea MFEA ] Started vif: eth1
> [ 2005/03/15 18:34:46 INFO xorp_fea MFEA ] New vif: Vif[register_vif]
> pif_index: 3 vif_index: 2 addr: 172.20.16.199 subnet: 172.20.16.199/32
> broadcast: 172.20.16.199 peer: 0.0.0.0 Flags: PIM_REGISTER UNDERLYING_VIF_UP
> [ 2005/03/15 18:34:46 INFO xorp_fea MFEA ] Enabled vif: eth0
> [ 2005/03/15 18:34:46 INFO xorp_fea MFEA ] Started vif: eth0
> [ 2005/03/15 18:34:46 INFO xorp_fea MFEA ] Enabled vif: register_vif
> [ 2005/03/15 18:34:46 INFO xorp_fea MFEA ] Started vif: register_vif
> [ 2005/03/15 18:34:46 INFO xorp_rtrmgr:2657 RTRMGR +356
> module_manager.cc run ] Running module: rib (/usr/local/xorp/rib/xorp_rib)
> [ 2005/03/15 18:34:48 INFO xorp_rtrmgr:2657 RTRMGR +356
> module_manager.cc run ] Running module: fib2mrib
> (/usr/local/xorp/fib2mrib/xorp_fib2mrib)
> [ 2005/03/15 18:34:50 INFO xorp_rtrmgr:2657 RTRMGR +356
> module_manager.cc run ] Running module: igmp
> (/usr/local/xorp/mld6igmp/xorp_igmp)
> [ 2005/03/15 18:34:50 WARNING xorp_rtrmgr:2657 XrlFinderTarget +406
> finder_base.cc handle_finder_0_2_resolve_xrl ] Handling method for
> finder/0.2/resolve_xrl failed: XrlCmdError 102 Command failed Target
> "IGMP" does not exist or is not enabled.
> [ 2005/03/15 18:34:51 TRACE xorp_rtrmgr RTRMGR ] Startup with XRL:
> >finder://IGMP/mld6igmp/0.1/start_mld6igmp<
> [ 2005/03/15 18:34:52 INFO xorp_igmp MLD6IGMP ] New vif: Vif[eth0]
> pif_index: 0 vif_index: 0 Flags:
> [ 2005/03/15 18:34:52 INFO xorp_igmp MLD6IGMP ] Added new address to vif
> eth0: addr: 192.168.0.199 subnet: 192.168.0.0/24 broadcast:
> 192.168.0.255 peer: 0.0.0.0
> [ 2005/03/15 18:34:52 INFO xorp_igmp MLD6IGMP ] Vif flags changed:
> Vif[eth0] pif_index: 0 vif_index: 0 addr: 192.168.0.199 subnet:
> 192.168.0.0/24 broadcast: 192.168.0.255 peer: 0.0.0.0 Flags: MULTICAST
> BROADCAST UNDERLYING_VIF_UP
> [ 2005/03/15 18:34:52 INFO xorp_igmp MLD6IGMP ] New vif: Vif[eth1]
> pif_index: 0 vif_index: 1 Flags:
> [ 2005/03/15 18:34:53 INFO xorp_igmp MLD6IGMP ] Added new address to vif
> eth1: addr: 172.20.16.199 subnet: 172.20.0.0/16 broadcast:
> 172.20.255.255 peer: 0.0.0.0
> [ 2005/03/15 18:34:53 INFO xorp_igmp MLD6IGMP ] Enabled vif: eth0
> [ 2005/03/15 18:34:53 INFO xorp_igmp MLD6IGMP ] Vif flags changed:
> Vif[eth1] pif_index: 0 vif_index: 1 addr: 172.20.16.199 subnet:
> 172.20.0.0/16 broadcast: 172.20.255.255 peer: 0.0.0.0 Flags: MULTICAST
> BROADCAST UNDERLYING_VIF_UP
> [ 2005/03/15 18:34:53 INFO xorp_igmp MLD6IGMP ] New vif:
> Vif[register_vif] pif_index: 0 vif_index: 2 Flags:
> [ 2005/03/15 18:34:53 INFO xorp_igmp MLD6IGMP ] STARTING Vif[eth0]
> pif_index: 0 vif_index: 0 addr: 192.168.0.199 subnet: 192.168.0.0/24
> broadcast: 192.168.0.255 peer: 0.0.0.0 Flags: MULTICAST BROADCAST
> UNDERLYING_VIF_UP UP IPv4 ENABLED
> [ 2005/03/15 18:34:53 TRACE xorp_igmp MLD6IGMP ] TX
> IGMP_MEMBERSHIP_QUERY from 192.168.0.199 to 224.0.0.1
> [ 2005/03/15 18:34:53 INFO xorp_igmp MLD6IGMP ] Started vif: eth0
> [ 2005/03/15 18:34:53 INFO xorp_igmp MLD6IGMP ] Added new address to vif
> register_vif: addr: 172.20.16.199 subnet: 172.20.16.199/32 broadcast:
> 172.20.16.199 peer: 0.0.0.0
> [ 2005/03/15 18:34:53 INFO xorp_igmp MLD6IGMP ] Enabled vif: eth1
> [ 2005/03/15 18:34:53 INFO xorp_igmp MLD6IGMP ] Vif flags changed:
> Vif[register_vif] pif_index: 0 vif_index: 2 addr: 172.20.16.199 subnet:
> 172.20.16.199/32 broadcast: 172.20.16.199 peer: 0.0.0.0 Flags:
> PIM_REGISTER UNDERLYING_VIF_UP
> [ 2005/03/15 18:34:53 INFO xorp_igmp MLD6IGMP ] STARTING Vif[eth1]
> pif_index: 0 vif_index: 1 addr: 172.20.16.199 subnet: 172.20.0.0/16
> broadcast: 172.20.255.255 peer: 0.0.0.0 Flags: MULTICAST BROADCAST
> UNDERLYING_VIF_UP UP IPv4 ENABLED
> [ 2005/03/15 18:34:53 TRACE xorp_igmp MLD6IGMP ] TX
> IGMP_MEMBERSHIP_QUERY from 172.20.16.199 to 224.0.0.1
> [ 2005/03/15 18:34:53 INFO xorp_igmp MLD6IGMP ] Started vif: eth1
> [ 2005/03/15 18:34:53 INFO xorp_rtrmgr:2657 RTRMGR +356
> module_manager.cc run ] Running module: pimsm4
> (/usr/local/xorp/pim/xorp_pimsm4)
> [ 2005/03/15 18:34:53 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_MEMBERSHIP_QUERY from 192.168.0.199 to 224.0.0.1 on vif eth0
> [ 2005/03/15 18:34:53 WARNING xorp_rtrmgr:2657 XrlFinderTarget +406
> finder_base.cc handle_finder_0_2_resolve_xrl ] Handling method for
> finder/0.2/resolve_xrl failed: XrlCmdError 102 Command failed Target
> "PIMSM_4" does not exist or is not enabled.
> [ 2005/03/15 18:34:53 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 192.168.0.199 to 224.0.0.251 on vif eth0
> [ 2005/03/15 18:34:53 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_MEMBERSHIP_QUERY from 172.20.16.199 to 224.0.0.1 on vif eth1
> [ 2005/03/15 18:34:53 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 192.168.0.199 to 224.0.0.2 on vif eth0
> [ 2005/03/15 18:34:53 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 172.20.16.199 to 224.0.0.2 on vif eth1
> [ 2005/03/15 18:34:54 WARNING xorp_rtrmgr:2657 XrlFinderTarget +406
> finder_base.cc handle_finder_0_2_resolve_xrl ] Handling method for
> finder/0.2/resolve_xrl failed: XrlCmdError 102 Command failed Xrl target
> is not enabled.
> [ 2005/03/15 18:34:55 WARNING xorp_rtrmgr:2657 XrlFinderTarget +406
> finder_base.cc handle_finder_0_2_resolve_xrl ] Handling method for
> finder/0.2/resolve_xrl failed: XrlCmdError 102 Command failed Xrl target
> is not enabled.
> [ 2005/03/15 18:34:56 WARNING xorp_rtrmgr:2657 XrlFinderTarget +406
> finder_base.cc handle_finder_0_2_resolve_xrl ] Handling method for
> finder/0.2/resolve_xrl failed: XrlCmdError 102 Command failed Xrl target
> is not enabled.
> [ 2005/03/15 18:34:57 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 192.168.0.1 to 239.255.255.250 on vif eth0
> [ 2005/03/15 18:34:57 WARNING xorp_rtrmgr:2657 XrlFinderTarget +406
> finder_base.cc handle_finder_0_2_resolve_xrl ] Handling method for
> finder/0.2/resolve_xrl failed: XrlCmdError 102 Command failed Xrl target
> is not enabled.
> [ 2005/03/15 18:34:58 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 172.20.16.199 to 224.0.0.251 on vif eth1
> [ 2005/03/15 18:34:58 TRACE xorp_rtrmgr RTRMGR ] Startup with XRL:
> >finder://PIMSM_4/pim/0.1/start_pim<
> [ 2005/03/15 18:34:59 INFO xorp_pimsm4 PIM ] New vif: Vif[eth0]
> pif_index: 0 vif_index: 0 addr: 192.168.0.199 subnet: 192.168.0.0/24
> broadcast: 192.168.0.255 peer: 0.0.0.0 Flags: MULTICAST BROADCAST
> UNDERLYING_VIF_UP
> [ 2005/03/15 18:34:59 INFO xorp_pimsm4 PIM ] New vif: Vif[eth1]
> pif_index: 0 vif_index: 1 addr: 172.20.16.199 subnet: 172.20.0.0/16
> broadcast: 172.20.255.255 peer: 0.0.0.0 Flags: MULTICAST BROADCAST
> UNDERLYING_VIF_UP
> [ 2005/03/15 18:34:59 INFO xorp_pimsm4 PIM ] New vif: Vif[register_vif]
> pif_index: 0 vif_index: 2 addr: 172.20.16.199 subnet: 172.20.16.199/32
> broadcast: 172.20.16.199 peer: 0.0.0.0 Flags: PIM_REGISTER UNDERLYING_VIF_UP
> [ 2005/03/15 18:34:59 INFO xorp_pimsm4 PIM ] Enabled vif: eth1
> [ 2005/03/15 18:34:59 INFO xorp_pimsm4 PIM ] STARTING Vif[eth1]
> pif_index: 0 vif_index: 1 addr: 172.20.16.199 subnet: 172.20.0.0/16
> broadcast: 172.20.255.255 peer: 0.0.0.0 Flags: MULTICAST BROADCAST
> UNDERLYING_VIF_UP UP IPv4 ENABLED
> [ 2005/03/15 18:34:59 INFO xorp_pimsm4 PIM ] Started vif: eth1
> [ 2005/03/15 18:34:59 INFO xorp_pimsm4 PIM ] Enabled vif: register_vif
> [ 2005/03/15 18:34:59 INFO xorp_pimsm4 PIM ] STARTING Vif[register_vif]
> pif_index: 0 vif_index: 2 addr: 172.20.16.199 subnet: 172.20.16.199/32
> broadcast: 172.20.16.199 peer: 0.0.0.0 Flags: PIM_REGISTER
> UNDERLYING_VIF_UP UP IPv4 ENABLED
> [ 2005/03/15 18:34:59 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 172.20.16.199 to 224.0.0.13 on vif eth1
> [ 2005/03/15 18:34:59 INFO xorp_pimsm4 PIM ] Started vif: register_vif
> [ 2005/03/15 18:35:00 INFO xorp_rtrmgr:2657 RTRMGR +1366 task.cc
> run_task ] No more tasks to run
> [ 2005/03/15 18:35:00 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 172.20.16.199 to 224.0.0.13 on vif eth1
> [ 2005/03/15 18:35:01 TRACE xorp_pimsm4 PIM ] TX PIM_HELLO from
> 172.20.16.199 to 224.0.0.13 on vif eth1
> [ 2005/03/15 18:35:02 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 192.168.0.199 to 224.0.0.2 on vif eth0
> [ 2005/03/15 18:35:02 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 172.20.16.199 to 224.0.0.2 on vif eth1
> [ 2005/03/15 18:35:06 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 172.20.16.199 to 224.0.0.13 on vif eth1
> [ 2005/03/15 18:35:08 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 172.20.16.199 to 224.0.0.2 on vif eth1
> [ 2005/03/15 18:35:11 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 192.168.0.199 to 224.0.0.2 on vif eth0
> [ 2005/03/15 18:35:16 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 172.20.16.22 to 224.0.55.55 on vif eth1
> [ 2005/03/15 18:35:16 TRACE xorp_pimsm4 PIM ] Add membership for
> (0.0.0.0,224.0.55.55) on vif eth1
> [ 2005/03/15 18:35:19 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 172.20.16.22 to 224.0.55.55 on vif eth1
> [ 2005/03/15 18:35:20 TRACE xorp_fea MFEA ] RX kernel signal:
> message_type = 1 vif_index = 0 src = 192.168.0.2 dst = 224.0.55.55
> [ 2005/03/15 18:35:20 TRACE xorp_pimsm4 PIM ] RX NOCACHE signal from
> MFEA_4: vif_index = 0 src = 192.168.0.2 dst = 224.0.55.55
> [ 2005/03/15 18:35:24 TRACE xorp_igmp MLD6IGMP ] TX
> IGMP_MEMBERSHIP_QUERY from 192.168.0.199 to 224.0.0.1
> [ 2005/03/15 18:35:24 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_MEMBERSHIP_QUERY from 192.168.0.199 to 224.0.0.1 on vif eth0
> [ 2005/03/15 18:35:24 TRACE xorp_igmp MLD6IGMP ] TX
> IGMP_MEMBERSHIP_QUERY from 172.20.16.199 to 224.0.0.1
> [ 2005/03/15 18:35:24 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_MEMBERSHIP_QUERY from 172.20.16.199 to 224.0.0.1 on vif eth1
> [ 2005/03/15 18:35:25 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 172.20.16.199 to 224.0.0.13 on vif eth1
> [ 2005/03/15 18:35:25 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 172.20.16.199 to 224.0.0.2 on vif eth1
> [ 2005/03/15 18:35:27 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 192.168.0.199 to 224.0.0.2 on vif eth0
> [ 2005/03/15 18:35:27 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 172.20.16.22 to 224.0.55.55 on vif eth1
> [ 2005/03/15 18:35:28 TRACE xorp_igmp MLD6IGMP ] RX
> IGMP_V2_MEMBERSHIP_REPORT from 172.20.16.199 to 224.0.0.251 on vif eth1
>
>
>
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