From: rocco ****** (roccor21@hotmail.com)
Date: Sat May 20 2006 - 09:30:50 ART
I have a constant ping from another router which is destined to
228.28.28.28. It is directly conected via ethernet on the 132.1.26.6
neighbor
show ip mroute
*Mar 1 00:5
IP Multicast Routing TablePeriodic Join/Prune messag
Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C -
Connected, id=34
*Mar 1 00:
0:
Y - Joined MDT-data group, y - Sending to MDT-data group
Outgoing interface flags: H - Hardware switched, A - Assert winner
Timers: Uptime/Expires
Interface state: Interface, Next-Hop or VCD, State/Mode
(*, 228.28.28.28), 00:00:43/stopped, RP 150.1.2.2, flags: SP
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list: Null
(132.1.6.6, 228.28.28.28), 00:00:43/00:02:16, flags: P
Incoming interface: Ethernet0/0, RPF nbr 132.1.26.6
Outgoing interface list: Null
(132.1.26.6, 228.28.28.28), 00:00:43/00:02:58, flags: PT
Incoming interface: Ethernet0/0, RPF nbr 0.0.0.0
Outgoing interface list: Null
(*, 224.0.1.40), 12:59:10/00:03:25, RP 150.1.2.2, flags: SJCL
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list:
Serial0/0, 132.1.0.3, Forward/Sparse, 12:58:44/00:03:25
Ethernet0/0, Forward/Sparse, 12:59:10/00:02:46
*, 239.255.255.250), 13:00:39/00:03:25, RP 150.1.2.2, flags: SJC
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list:
Ethernet0/0, Forward/Sparse, 13:00:39/00:03:25
Rack1R2#sho ip pim int
Address Interface Ver/ Nbr Query DR DR
Mode Count Intvl Prior
132.1.26.2 Ethernet0/0 v2/S 1 30 1
132.1.26.6
132.1.0.2 Serial0/0 v2/S 2 30 1
132.1.0.3
Rack1R2#
RPF checks out...
Rack1R2#sho ip rpf 132.1.6.6
RPF information for ? (132.1.6.6)
RPF interface: Ethernet0/0
RPF neighbor: ? (132.1.26.6)
RPF route/mask: 132.1.6.0/24
RPF type: unicast (eigrp 10)
RPF recursion count: 0
Doing distance-preferred lookups across tables
Rack1R2#sho ip rpf 132.1.26.6
RPF information for ? (132.1.26.6)
RPF interface: Ethernet0/0
RPF neighbor: ? (132.1.26.6) - directly connected
RPF route/mask: 132.1.26.0/24
RPF type: unicast (connected)
RPF recursion count: 0
Doing distance-preferred lookups across tables
Rack1R2#
I have an IGMP Join command on SW1:
Rack1SW1#sho ip igmp gr
IGMP Connected Group Membership
Group Address Interface Uptime Expires Last
Reporter
224.0.1.40 FastEthernet0/1 22:40:08 00:02:22 132.1.17.7
228.28.28.28 Vlan783 22:40:14 00:02:19 204.12.1.7
Rack1SW1#
I can mtrace from SW1 to the 132.1.6.6 and vice-versa to the unicast on
the source and destination segments:
Rack1SW1#mtrace 132.1.6.6
Type escape sequence to abort.
Mtrace from 132.1.6.6 to 132.1.17.7 via RPF
From source (?) to destination (?)
Querying full reverse path...
0 132.1.17.7
-1 132.1.17.7 PIM [132.1.6.0/24]
-2 132.1.17.1 PIM [132.1.6.0/24]
-3 132.1.0.3 PIM/Static [default]
-4 132.1.0.2 PIM [132.1.6.0/24]
-5 132.1.26.6 PIM [132.1.6.0/24]
-6 132.1.6.6
Rack1SW1#
Rack1R6#mtrace
VRF name:
Source address or name: 132.1.6.6
Destination address or name: 204.12.1.7
Group address or name:
Multicast request TTL [64]:
Response address for mtrace:
Type escape sequence to abort.
Mtrace from 132.1.6.6 to 204.12.1.7 via RPF
From source (?) to destination (?)
Querying full reverse path...
0 204.12.1.7
-1 132.1.17.7 PIM [132.1.6.0/24]
-2 132.1.17.1 PIM [132.1.6.0/24]
-3 132.1.0.3 PIM/Static [default]
-4 132.1.0.2 PIM [132.1.6.0/24]
-5 132.1.26.6 PIM [132.1.6.0/24]
-6 132.1.6.6
Rack1R6#
--------------------------------------------------------------------
From: Darby Weaver <darbyweaver@yahoo.com>
To: rocco ****** <roccor21@hotmail.com>, darbyweaver@yahoo.com
Subject: Re: multicast problem
Date: Fri, 19 May 2006 18:51:11 -0700 (PDT)
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>Can you show me the results of your:
>
>show ip mroute command?
>
>Thanks.
>
>The other interface has to ip pim sparse-mode enabled
>as well.
>
>Also I have found that the best thing to do to
>troubleshoot is to run a continuous ping while
>troubleshooting. And before use the sh ip mroute
>command.
>
>Any reason why I do not see the command:
>
>ip igmp join-group command?
>
>Later
>
>
>
>--- rocco ****** <roccor21@hotmail.com> wrote:
>
> > Need some help with Multicast. I get a mroute olist
> > null when I try to
> > ping from 132.1.26.6 on a directly connected router.
> > It is not an RPF
> > failure either? debug ip mpacket Mar 1
> > 00:41:23.470: IP(0): IP tos=0x0,
> > len=100, id=3331, ttl=254, prot=1
> > *Mar 1 00:41:23.470: IP(0): s=132.1.26.6
> > (Ethernet0/0) d=228.28.28.28
> > id=3331,
> > prot=1, len=114(100), mroute olist null
> > Rack1R2#
> > *Mar 1 00:41:25.469: IP(0): MAC sa=000d.29f6.3cc7
> > (Ethernet0/0), IP
> > last-hop=13
> > 2.1.26.6
> > *Mar 1 00:41:25.469: IP(0): IP tos=0x0, len=100,
> > id=3332, ttl=254,
> > prot=1
> > *Mar 1 00:41:25.469: IP(0): s=132.1.26.6
> > (Ethernet0/0) d=228.28.28.28
> > id=3332,
> > prot=1, len=114(100), mroute olist null
> > Rack1R2#
> > *Mar 1 00:41:27.468: IP(0): MAC sa=000d.29f6.3cc7
> > (Ethernet0/0), IP
> > last-hop=13
> > 2.1.26.6
> > *Mar 1 00:41:27.468: IP(0): IP tos=0x0, len=100,
> > id=3333, ttl=254,
> > prot=1
> > *Mar 1 00:41:27.472: IP(0): s=132.1.26.6
> > (Ethernet0/0) d=228.28.28.28
> > id=3333,
> > prot=1, len=114(100), mroute olist null
> > Rack1R2#
> > *Mar 1 00:41:29.468: IP(0): MAC sa=000d.29f6.3cc7
> > (Ethernet0/0), IP
> > last-hop=13
> > 2.1.26.6
> > *Mar 1 00:41:29.472: IP(0): IP tos=0x0, len=100,
> > id= Rack1R2#sho ip
> > mroute cou
> > IP Multicast Statistics
> > 4 routes using 2404 bytes of memory
> > 3 groups, 0.33 average sources per group
> > Forwarding Counts: Pkt Count/Pkts per second/Avg Pkt
> > Size/Kilobits per
> > second
> > Other counts: Total/RPF failed/Other drops(OIF-null,
> > rate-limit etc)Group:
> > 228.28.28.28, Source count: 1, Packets forwarded: 0,
> > Packets received: 10
> > 00
> > RP-tree: Forwarding: 0/0/0/0, Other: 0/0/0
> > Source: 132.1.26.6/32, Forwarding: 0/0/0/0, Other:
> > 1000/0/1000Group:
> > 224.0.1.40, Source count: 0, Packets forwarded: 0,
> > Packets received: 0Group:
> > 239.255.255.250, Source count: 0, Packets forwarded:
> > 0, Packets received:
> > 0 Y - Joined MDT-data group, y - Sending to
> > MDT-data group
> > Outgoing interface flags: H - Hardware switched, A -
> > Assert winner
> > Timers: Uptime/Expires
> > Interface state: Interface, Next-Hop or VCD,
> > State/Mode(*,
> > 228.28.28.28), 00:00:40/stopped, RP 150.1.2.2,
> > flags: SP
> > Incoming interface: Null, RPF nbr 0.0.0.0
> > Outgoing interface list: Null(132.1.6.6,
> > 228.28.28.28),
> > 00:00:40/00:02:19, flags: P
> > Incoming interface: Ethernet0/0, RPF nbr 132.1.26.6
> > Outgoing interface list: Null(132.1.26.6,
> > 228.28.28.28),
> > 00:00:40/00:02:52, flags: PT
> > Incoming interface: Ethernet0/0, RPF nbr 0.0.0.0
> > Outgoing interface list: Null(*, 224.0.1.40),
> > 01:26:56/00:03:25, RP
> > 150.1.2.2, flags: SJCL
> > Incoming interface: Null, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0, 132.1.0.3, Forward/Sparse,
> > 01:26:29/00:02:44
> > Ethernet0/0, Forward/Sparse, 01:26:56/00:03:25(*,
> > 239.255.255.250),
> > 01:27:21/00:02:28, RP 150.1.2.2, flags: SJC
> > Incoming interface: Null, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Ethernet0/0, Forward/Sparse, 01:27:21/00:02:51 sho
> > run
> > Building configuration...Current configuration :
> > 2899 bytes
> > !
> > version 12.3
> > service timestamps debug datetime msec
> > service timestamps log datetime msec
> > no service password-encryption
> > !
> > hostname Rack1R2
> > !
> > boot-start-marker
> > boot-end-marker
> > !
> > enable password cisco
> > !
> > memory-size iomem 10
> > no aaa new-model
> > ip subnet-zero
> > ip cef
> > !
> > !
> > no ip domain lookup
> > !
> > ip multicast-routing
> > ipv6 unicast-routing
> > !
> > !
> > key chain CISCO
> > key 10
> > key-string CISCO
> > !
> > !
> > !
> > !
> > !
> > !
> > !
> > !
> > !
> > !
> > !
> > !
> > class-map match-all FTP
> > match access-group 106
> > !
> > !
> > policy-map FTP
> > class FTP
> > bandwidth 256
> > !
> > !
> > !
> > !
> > interface Loopback0
> > ip address 150.1.2.2 255.255.255.0
> > ipv6 address 2001:CC1E:1::2/128
> > !
> > interface Ethernet0/0
> > ip address 132.1.26.2 255.255.255.0
> > ip authentication mode eigrp 10 md5
> > ip authentication key-chain eigrp 10 CISCO
> > ip pim sparse-mode
> > ip policy route-map ftp
> > half-duplex
> > !
> > interface Serial0/0
> > ip address 132.1.0.2 255.255.255.0
> > ip pim nbma-mode
> > ip pim sparse-mode
> > encapsulation frame-relay
> > ip ospf network point-to-multipoint
> > ipv6 address 2001:CC1E:1:2323::2/64
> > no fair-queue
> > frame-relay traffic-shaping
> > frame-relay map ipv6 2001:CC1E:1:2323::3 203
> > broadcast
> > frame-relay interface-dlci 201
> > class default
> > frame-relay interface-dlci 203
> > class default
> > frame-relay interface-dlci 204
> > class dlci204
> > !
> > interface BRI0/0
> > no ip address
> > encapsulation hdlc
> > shutdown
> > !
> > interface Ethernet0/1
> > no ip address
> > shutdown
> > half-duplex
> > !
> > ip address 132.1.23.2 255.255.255.0
> > compress stac
> > clock rate 256000
> > service-policy output FTP
> > !
> > router eigrp 10
> > network 132.1.23.0 0.0.0.255
> > network 132.1.26.0 0.0.0.255
> > network 150.1.2.0 0.0.0.255
> > distance eigrp 90 109
> > no auto-summary
> > !
> > router ospf 1
> > log-adjacency-changes
> > network 132.1.0.0 0.0.0.255 area 0
> >
>=== message truncated ===
This archive was generated by hypermail 2.1.4 : Thu Jun 01 2006 - 06:33:22 ART