From: Maxim Kurushkin (m.kurushkin@orange-ftgroup.ru)
Date: Mon Jan 29 2007 - 05:48:53 ART
Hi, Eli!
Hm...
Could You show your IOS and configs?
My IOS is below:
Rack1SW1#sh ver
Cisco IOS Software, C3550 Software (C3550-IPSERVICES-M), Version
12.2(25)SEC2, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2005 by Cisco Systems, Inc.
Compiled Wed 31-Aug-05 08:17 by antonino
ROM: Bootstrap program is C3550 boot loader
Rack1SW1 uptime is 1 day, 12 hours, 6 minutes
System returned to ROM by power-on
System image file is
"flash:c3550-ipservices-mz.122-25.SEC2/c3550-ipservices-mz.122-25.SEC2.bin"
Cisco WS-C3550-24 (PowerPC) processor (revision J0) with 65526K/8192K
bytes of memory.
Processor board ID CAT0728X28Y
Last reset from warm-reset
Running Layer2/3 Switching Image
Ethernet-controller 1 has 12 Fast Ethernet/IEEE 802.3 interfaces
Ethernet-controller 2 has 12 Fast Ethernet/IEEE 802.3 interfaces
Ethernet-controller 3 has 1 Gigabit Ethernet/IEEE 802.3 interface
Ethernet-controller 4 has 1 Gigabit Ethernet/IEEE 802.3 interface
24 FastEthernet interfaces
2 Gigabit Ethernet interfaces
The password-recovery mechanism is enabled.
384K bytes of flash-simulated NVRAM.
Base ethernet MAC Address: 00:0D:65:8F:66:00
Motherboard assembly number: 73-5700-10
Power supply part number: 34-0966-03
Motherboard serial number: CAT07280XKJ
Power supply serial number: DTH07280F9G
Model revision number: J0
Motherboard revision number: A0
Model number: WS-C3550-24-EMI
System serial number: CAT0728X28Y
Configuration register is 0x10F
WBR,
Maxim
Eli Kosharovsky wrote:
> I have tried it with a 3550, it works fine
>
> What IOS are you running ?
>
> Eli
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Maxim Kurushkin
> Sent: Sunday, January 28, 2007 3:17 PM
> To: Bit Gossip
> Cc: ccielab@groupstudy.com
> Subject: Re: igmp join-group on 3550
>
> Hrrrrrr....
> I dont need multicast routing!!! Sorry, but read my original
> question...I'll write it again...
> I want to use Switch as multicast receiver host only!
> And it works with Router. ( Router <-> Router (multicast receiver host) )
> But it doesnt work on Switch. (Router <-> Switch (multicast receiver host) )
> Let me show:
> ==============================================================
> R5 (sender ) <-Ethernet-> R1 ( receiver)
> Sender has not multicast enabled.
> Reciever has not multicast enabled except command ip igmp join-group
> 225.1.1.1.
>
> Rack1R5#sh run | i multicast|pim <- On Router5 no multicast routing and
> no interfaces with PIM enabled !!!
> Rack1R5#sh run int fa 0/0
> interface FastEthernet0/0
> ip address 152.1.125.5 255.255.255.0
>
> Rack1R1#sh run | i multicast|pim <- On Router1 no multicast routing and
> no interfaces with PIM enabled !!!
> Rack1R1#sh run int fa 0/0
> interface FastEthernet0/0
> ip address 152.1.125.1 255.255.255.0
> ip igmp join-group 225.1.1.1
> And IT IS WORKING!!!
>
> Rack1R5#ping 225.1.1.1 Sending 1, 100-byte ICMP Echos to
> 225.1.1.1, timeout is 2 seconds:
> Reply to request 0 from 152.1.125.1, 4 ms
>
> R1 works like IGMP host. R5 multicasts ping on all interfaces and R1 is
> replyes. And it is predictable!
> And there is no need for multicast routing!!!
> =============================================================
> But. The same is not working with Router <-> Switch
> I have used join-group on switche's Vlan and on Routed port - does not
> work...
> Why?
>
> WBR,
> Maxim
>
> Bit Gossip wrote:
>
>> Hi Maxim,
>> there is still one thing missing: even if IGMP is enable as you show,
>> multicast routing is NOT until pim is configured on the interface.
>> Thanks,
>> Luca.
>>
>> r2(config)#ip multicast-routing
>> r2(config)#do show ip multicast interf <--- no intf mcast enabled
>>
>>
>> r2(config-if)#ip igmp join-group 224.224.224.224
>> r2(config-if)#do show ip multicast interf
>> FastEthernet0/0 is up, line protocol is up
>> Internet address is 10.1.2.2/24
>> Multicast routing: disabled <-- NO mcast routing yet
>> Multicast packets in/out: 177/0
>> Multicast TTL threshold: 0
>> Multicast Tagswitching: disabled
>>
>>
>> On Mon, 2007-01-22 at 12:36 +0300, Maxim Kurushkin wrote:
>>
>>
>>>>> when you configure 'ip igmp join' you dont enable igmp
>>>>>
>>>>>
>>> I'm not so sure...
>>>
>>> Rack1R1#sh run | i pim|multicast <- no pim and multicast configured
>>> Rack1R1#
>>> Rack1R1#sh run in fa 0/0
>>> interface FastEthernet0/0
>>> ip address 152.1.125.1 255.255.255.0
>>> ip igmp join-group 225.1.1.1
>>> Rack1R1#sh ip igmp interface
>>> FastEthernet0/0 is up, line protocol is up
>>> Internet address is 152.1.125.1/24
>>> IGMP is enabled on interface <----- !!!!!!!!!!!!!!!!!!!!!!!!!!!1
>>> Current IGMP host version is 2
>>> Current IGMP router version is 2
>>> IGMP query interval is 60 seconds
>>> IGMP querier timeout is 120 seconds
>>> IGMP max query response time is 10 seconds
>>> Last member query count is 2
>>> Last member query response interval is 1000 ms
>>> Inbound IGMP access group is not set
>>> IGMP activity: 1 joins, 0 leaves
>>> Multicast routing is disabled on interface
>>> Multicast TTL threshold is 0
>>> Multicast groups joined by this system (number of users):
>>> 225.1.1.1(1)
>>> Rack1R1#
>>>
>>> WBR,
>>> Maxim
>>>
>>> Bit Gossip wrote:
>>>
>>>
>>>> Hi Maxim,
>>>> when you configure 'ip igmp join' you dont enable igmp but simply
>>>> statically join a group as a client
>>>> Thanks,
>>>> Luca
>>>>
>>>> On Mon, 2007-01-22 at 08:53, Maxim Kurushkin wrote:
>>>>
>>>>
>>>>
>>>>> Hi, Group.
>>>>> Sorry, Bit. but "IGMP is enabled on a interface only when pim is
>>>>> enabled" is not true.
>>>>> Because it works with Router-Router but not works with Router-3550. I
>>>>> guess that it is something specific with multicast working on
>>>>> switches, but I can't find any information about it.
>>>>>
>>>>> Example with Router-Router:
>>>>> R5 s0/1 <--- PPP ---> s 0/1 R4
>>>>>
>>>>> R4:
>>>>> ip multicast-routing
>>>>> interface Serial0/1
>>>>> ip address 152.1.54.4 255.255.255.0
>>>>> encapsulation ppp
>>>>> ip igmp join-group 225.4.4.4
>>>>> <- there is no ip pim command on this interface !!!
>>>>>
>>>>> R5:
>>>>> ip multicast-routing
>>>>> interface Serial0/1
>>>>> ip address 152.1.54.5 255.255.255.0
>>>>> ip pim dense-mode
>>>>> encapsulation ppp
>>>>> clock rate 512000
>>>>>
>>>>> And it's work WITHOUT PIM enabled on R4:
>>>>>
>>>>> Rack1R5#ping 225.4.4.4
>>>>> Type escape sequence to abort.
>>>>> Sending 1, 100-byte ICMP Echos to 225.4.4.4, timeout is 2 seconds:
>>>>> Reply to request 0 from 152.1.54.4, 4 ms
>>>>>
>>>>> But with 3550 it's not work!!! Why?
>>>>>
>>>>> WBR,
>>>>> Maxim
>>>>>
>>>>>
>>>>> Bit Gossip wrote:
>>>>>
>>>>>
>>>>>
>>>>>> Hi Maxim,
>>>>>> IGMP is enabled on a interface only when pim is enabled: strange but
>>>>>> true. So if you do 'show ip igmp interface' you will see that
>>>>>> switch/f0/3 is not there
>>>>>> Thanks,
>>>>>> Luca.
>>>>>>
>>>>>> On Fri, 2007-01-19 at 16:55 +0300, Maxim Kurushkin wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>> Good day, Group.
>>>>>>> I have strange behavour of 3550.
>>>>>>> My topology is very clear:
>>>>>>>
>>>>>>> Router <-> 3550
>>>>>>>
>>>>>>> On Router:
>>>>>>> interface FastEthernet0/1
>>>>>>> ip address 152.1.3.3 255.255.255.0
>>>>>>>
>>>>>>> On Switch:
>>>>>>> interface FastEthernet0/3
>>>>>>> no switchport
>>>>>>> ip address 152.1.3.8 255.255.255.0
>>>>>>> ip igmp join-group 225.3.3.3
>>>>>>>
>>>>>>> BUT:
>>>>>>> Router#ping 225.3.3.3
>>>>>>> Type escape sequence to abort.
>>>>>>> Sending 1, 100-byte ICMP Echos to 225.3.3.3, timeout is 2 seconds:
>>>>>>> .
>>>>>>> Router#
>>>>>>>
>>>>>>> Ping work only if I switch on pim on switch:
>>>>>>>
>>>>>>> interface FastEthernet0/3
>>>>>>> no switchport
>>>>>>> ip address 152.1.3.8 255.255.255.0
>>>>>>> ip pim dense-mode
>>>>>>> ip igmp join-group 225.3.3.3
>>>>>>>
>>>>>>> Then:
>>>>>>> Router#ping 225.3.3.3
>>>>>>> Type escape sequence to abort.
>>>>>>> Sending 1, 100-byte ICMP Echos to 225.3.3.3, timeout is 2 seconds:
>>>>>>> Reply to request 0 from 152.1.3.8, 4 ms
>>>>>>> Router#
>>>>>>>
>>>>>>> Why Switch dont work like host (multicast receiver)? Why it work only
>>>>>>>
>
>
>>>>>>> with PIM enabled on interface?
>>>>>>>
>>>>>>> WBR,
>>>>>>> Maxim
>>>>>>>
>>>>>>>
>>>>>>>
> _______________________________________________________________________
>
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>>>>>>> http://www.groupstudy.com/list/CCIELab.html
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
> _______________________________________________________________________
>
>>>>>> Subscription information may be found at:
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>>>>>>
>>>>>>
>>> _______________________________________________________________________
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>
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