Re: ipv6 multicast testing

From: garry baker <baker.garry_at_gmail.com>
Date: Wed, 1 Dec 2010 09:41:20 -0600

cool so now my question is what and where did that Source Address:
FD11:2222:3333:4444::15
come from?

i have the same thing on my single router, loopback0 testing now that i have
turned on ipv6 multicast-routing

--
Garry L. Baker
"There is no 'patch' for stupidity." - www.sqlsecurity.com
2010/12/1 gp <gs4me2me_at_gmail.com>
>  Mldv2 is turned by default, when you apply ipv multicast-routing.
>
>
>
> This is output from r4 on which is directly connected r5 (host):
>
>
>
> sh ipv mld groups detail
>
> Interface:      FastEthernet0/0
>
> Group:          FF33:1111::10
>
> Uptime:         06:08:29
>
> Router mode:    INCLUDE
>
> Host mode:      INCLUDE
>
> Last reporter:  FE80::219:6FF:FE52:A148
>
> Group source list:
>
> Source Address                          Uptime    Expires   Fwd  Flags
>
> FD11:2222:3333:4444::15                 06:08:29  00:02:56  Yes  Remote 4
>
>
>
> sh ipv mld int f0/0
>
> FastEthernet0/0 is up, line protocol is up
>
>   Internet address is FE80::215:F9FF:FE8C:D514/10
>
>   MLD is enabled on interface
>
> *  Current MLD version is 2*
>
>   MLD query interval is 125 seconds
>
>   MLD querier timeout is 255 seconds
>
>   MLD max query response time is 10 seconds
>
>   Last member query response interval is 1 seconds
>
>   Inbound MLD access group is:
>
>   MLD activity: 14 joins, 3 leaves
>
>   MLD querying router is FE80::215:F9FF:FE8C:D514 (this system)
>
>
>
> I didnt try with regular multicast because ssm for v4 works fine, and as
> i can see from output works for v6 too, except i cannot test it with ping
> like with v4,
>
> on net i find that can be test with ssmping but that require additinal
> pc-s.
>
>
>
> Thank you for help
>
>
>
>
>
>
>
> *From:* garry baker [mailto:baker.garry_at_gmail.com]
> *Sent:* Wednesday, December 01, 2010 4:09 PM
>
> *To:* gp
> *Cc:* ccielab_at_groupstudy.com
> *Subject:* Re: ipv6 multicast testing
>
>
>
> ok ipv6 ssm, sort of out of my scope, but the doccd says this about it:
>
> "MLD version 2 is required for SSM to operate. MLD allows the host to
> provide source information. Before SSM will run with MLD, SSM must be
> supported in the Cisco IOS IPv6 router, the host where the application is
> running, and the application itself."
>
> so now i am trying to figure out how to determine and then turn on MLDv2?
>
> and for a test what happens if you just use pim-sm and use "regular" ipv6
> multicast does it work? meaning this is a SSM specific issue?
>
>
> --
> Garry L. Baker
>
> "There is no 'patch' for stupidity." - www.sqlsecurity.com
>
>  2010/12/1 gp <gs4me2me_at_gmail.com>
>
> Configuration is preaty simple, i have unicast v6 connectivity form r1 to
> r5 with static routes (there is no redudant links).
>
>
>
> For multicast configuration what i post before; all routers have ipv6
> unicast routing, ipv6 multicast routing, and on r1 i try to emulate server
> with ping FF33:1111::10, on r5 try to emulate host with ipv6 mld join-group
> FF33:1111::10 FD11:2222:3333:4444::15
>
> On every router int he path i have PIM neighborsheep, mroute that looks
> okjust cannot ping:)
>
>
>
> i use SSM.
>
> This scenario works for v4 SSM multicast.
>
>
>
> Thank you!
>
> Regards,
>
> Gp
>
>
>
>
>
>
>
>
>
>
>
> *From:* garry baker [mailto:baker.garry_at_gmail.com]
> *Sent:* Wednesday, December 01, 2010 3:00 PM
>
>
> *To:* gp
> *Cc:* ccielab_at_groupstudy.com
> *Subject:* Re: ipv6 multicast testing
>
>
>
> i am not sure what this error means, (% No valid source address for
> destination) have never seen it before...
>
> can you show some of the configs?
>
>
> --
> Garry L. Baker
>
> "There is no 'patch' for stupidity." - www.sqlsecurity.com
>
> 2010/12/1 gp <gs4me2me_at_gmail.com>
>
> Thank you garry for your answer!
>
>
>
> You show ping from the same router on which is join made. I have situation
> like this:
>
>
>
> R1(f0/0) -------- r2 --------- r3 ---------- r4 ---------- (f0/0) r5
>
>
>
> On every router i configured:
>
> Ipv6 unicast-routing
>
> Ipv6 multicast-routing
>
>
>
> On r5 int f0/0:
>
> ipv6 mld join-group FF33:1111::10 FD11:2222:3333:4444::15
>
>
>
> on r1 i try to ping ff33:1111::10 and get this:
>
> ping ipv6 ff33:1111::10 so f0/1.10
>
> Output Interface: fastethernet0/1.10
>
> % No valid source address for destination
>
>
>
> On every router on the path i have the following:
>
> sh ipv6 mroute
>
> Multicast Routing Table
>
> Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group,
>
>        C - Connected, L - Local, I - Received Source Specific Host Report,
>
>        P - Pruned, R - RP-bit set, F - Register flag, T - SPT-bit set,
>
>        J - Join SPT
>
> Timers: Uptime/Expires
>
> Interface state: Interface, State
>
>
>
>  (FD11:2222:3333:4444::15, FF33:1111::10), 00:00:02/00:03:27, flags: ST
>
>   Incoming interface: FastEthernet0/0.10
>
>   RPF nbr: FE80::218:18FF:FEC5:2957
>
>   Immediate Outgoing interface list:
>
>     FastEthernet0/1.50, Forward, 00:00:02/00:03:27
>
>
>
> And that is correct output, i think. Now i want to know why ping doesn't
> work? For ipv4 works:)
>
>
>
>
>
>
>
> *From:* garry baker [mailto:baker.garry_at_gmail.com]
> *Sent:* Tuesday, November 30, 2010 6:10 PM
>
>
> *To:* gp
> *Cc:* ccielab_at_groupstudy.com
> *Subject:* Re: ipv6 multicast testing
>
>
>
> R4(config-if)#ipv6 mld join-group FF02::224:1:1:1
>
> R4(config-if)#do sh ipv6 int
> Loopback0 is up, line protocol is up
>   IPv6 is enabled, link-local address is FE80::C606:24FF:FE44:0
>   No Virtual link-local address(es):
>   Global unicast address(es):
>     2001::C606:24FF:FE44:0, subnet is 2001::/64 [EUI]
>   Joined group address(es):
>     FF02::1
>     FF02::2
>     FF02::1:FF44:0
>     FF02::224:1:1:1
>   MTU is 1514 bytes
>   ICMP error messages limited to one every 100 milliseconds
>   ICMP redirects are enabled
>   ICMP unreachables are sent
>   ND DAD is not supported
>   ND reachable time is 30000 milliseconds
>   Hosts use stateless autoconfig for addresses.
>
> R4#sh ipv6 mld interface loopback 0
> Loopback0 is up, line protocol is up
>   Internet address is FE80::C606:24FF:FE44:0/10
>   MLD is disabled on interface
>
> R4#ping FF02::224:1:1:1
> Output Interface: Loopback0
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to FF02::224:1:1:1, timeout is 2 seconds:
> Packet sent with a source address of FE80::C606:24FF:FE44:0
>
> Reply to request 0 received from FE80::C606:24FF:FE44:0, 4 ms
> Reply to request 1 received from FE80::C606:24FF:FE44:0, 4 ms
> Reply to request 2 received from FE80::C606:24FF:FE44:0, 4 ms
> Reply to request 3 received from FE80::C606:24FF:FE44:0, 4 ms
> Reply to request 4 received from FE80::C606:24FF:FE44:0, 0 ms
> Success rate is 100 percent (5/5), round-trip min/avg/max = 0/3/4 ms
> 5 multicast replies and 0 errors.
>
> --
> Garry L. Baker
>
> "There is no 'patch' for stupidity." - www.sqlsecurity.com
>
> 2010/11/30 gp <gs4me2me_at_gmail.com>
>
> That is for emulate host, but how to emulate server?
>
>
>
>
>
> *From:* garry baker [mailto:baker.garry_at_gmail.com]
> *Sent:* Tuesday, November 30, 2010 5:46 PM
> *To:* gp
> *Cc:* ccielab_at_groupstudy.com
> *Subject:* Re: ipv6 multicast testing
>
>
>
> 'ipv6 mld join-group'
>
> mld "is" igmp for ipv6
>
>
> --
> Garry L. Baker
>
> "There is no 'patch' for stupidity." - www.sqlsecurity.com
>
> On Tue, Nov 30, 2010 at 10:22 AM, gp <gs4me2me_at_gmail.com> wrote:
>
> Hi all,
>
>
>
> How to test ipv6 multicast on routers, like for ipv4 on router to emulate
> server with ping 224.1.1.1 and to emulate the host with ip igmp join group
> 224.1.1.1.
>
> Is it possible something like this for ipv6?
>
>
>
> Thanks
>
>
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Received on Wed Dec 01 2010 - 09:41:20 ART

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