From: The Great Ryan (pv.ryan@gmail.com)
Date: Tue Nov 01 2005 - 04:59:57 GMT-3
Ok. I will remove the secondary IP to make it simple.
Just want to confirm one thing
The server (with IP address on 192.168.1.0/24 subnet) . it should send
UDP/4000 packet with destination address = 192.168.2.255 ?
2005/11/1, Niche <jackyliu419@gmail.com>:
> Hi Ryan,
>
> I think secondary ip address issue will only make the whole lab setup get
> more complex, it would be simpler if you can try again after you remove all
> secondary ip addresses from all interfaces (router, server and client).
>
> You can verify your configuration is good or not without secondary ip
> address issue.
>
> I cannot find anything wrong from your configuration unless you forgot to
> put "ip pim dense-mode" on the link between R1 and R2.
>
> Cheers~
> Jacky
>
>
> On 11/1/05, The Great Ryan <pv.ryan@gmail.com> wrote:
> > Oh.. I forget to mention something. On R2's e2 interface, I run
> > secondary IP address and it will handle both 192.168.2.0/24 and
> > 178.21.34.0/24
> > Is there any extra step to handle multicast-helper with 2 subnet?
> >
> > I just use multicast generator to test the scenario. Want to know is
> > it necessary to use another router to do "rtr test" ? I tried to paste
> > the configuration on R1 and I can't see any hit on the ACL.
> >
> > Do anyone can provide sample configration on both ethernet side ? I'm
> > weak in the knowledge on "ip directed-broadcast"
> >
> >
> > Thanks a lot!
> > Ryan
> >
> >
> >
> > 2005/11/1, Niche <jackyliu419@gmail.com>:
> > > Hi Ryan,
> > >
> > > Why the R2's e2 interface ip address (192.168.2.254 ) is in a different
> > > subnet, your client's ip address is 178.21.34.1.
> > >
> > > Just want to clarify..
> > > Cheers~
> > > Jacky
> > >
> > >
> > > On 11/1/05, Victor Cappuccio < cvictor@protokolgroup.com> wrote:
> > > >
> > > > Hello Ryan,
> > > >
> > > > Can you please send us the test using RTR?
> > > >
> > > > in the Server please past this
> > > >
> > > > rtr 1
> > > > type udpEcho dest-ipaddr 224.5.5.5 dest-port 4000 source-ipadd
> > > 192.168.1.254
> > > > source-port 4000 control disable
> > > > timeout 1
> > > > freq 5
> > > > rtr schedule 1 start-time now
> > > >
> > > > it would be nice to see also the debug ip mpacket
> > > >
> > > > Thanks
> > > >
> > > > ----- Original Message -----
> > > > From: "The Great Ryan" < pv.ryan@gmail.com>
> > > > To: "Chris Lewis" <chrlewiscsco@yahoo.com >
> > > > Cc: "manoj menon" < manojmenon123@yahoo.com>; "George Amen"
> > > > <george.amen@gmail.com >; "Cisco certification"
> <ccielab@groupstudy.com >
> > > > Sent: Tuesday, November 01, 2005 2:44 AM
> > > > Subject: Re: MCast Helper Map E.g. in Doc CD
> > > >
> > > >
> > > > > Hi,
> > > > >
> > > > > I saw that the CCO document was updated for the MCast Helper
> example.
> > > > > However, I tried to lab it up but the client side still can't
> receive
> > > > > the broadcast. Is there any thing wrong in my configuration ?
> > > > >
> > > > > server ip 192.168.1.2 generating 178.21.34.255 packet with UDP port
> 4000
> > > > > client ip 178.21.34.1
> > > > >
> > > > >
> > > > >
> > > server-------(e0:192.168.1.254
> )R1--------R2(e2:192.168.2.254)-------client
> > > > > R1
> > > > > interface ethernet 0
> > > > > ip directed-broadcast
> > > > > ip multicast helper-map broadcast 224.5.5.5 120
> > > > > ip pim dense-mode
> > > > > !
> > > > > access-list 120 permit udp any any 4000
> > > > > access-list 120 deny udp any any
> > > > > ip forward-protocol udp 4000
> > > > >
> > > > > R2
> > > > > interface ethernet 2
> > > > > ip directed-broadcast
> > > > > ip multicast helper-map 224.5.5.5 178.21.34.255 135
> > > > > ip pim dense-mode
> > > > > !
> > > > > access-list 135 permit udp any any 4000
> > > > > access-list 135 deny udp any any
> > > > > ip forward-protocol udp 4000
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > 2005/10/24, Chris Lewis <chrlewiscsco@yahoo.com>:
> > > > > > At the ingress of the last hop router is it not receiving a
> directed
> > > > broadcast, it is receiving a multicast. Inside the router it gets
> turned
> > > in
> > > > to a directed broadcast.
> > > > > >
> > > > > > I suggest labbing it up and seeing.
> > > > > >
> > > > > > Chris
> > > > > >
> > > > > > manoj menon < manojmenon123@yahoo.com> wrote:
> > > > > > Chris/George,
> > > > > >
> > > > > > If we don't specify ip directed-broadcast on ingress interface
> (E1) of
> > > > Last Hop router, how do we expect the subnet broadcast to be forwarded
> by
> > > > the last hop router (Rtr C) to its other lan interface
> > > > > >
> > > > > > On the same token, on first hop router, we configure 'ip directed
> > > > broadcast' because the broadcast received at the router has to be
> > > > entertained by the router (whic is not by default) before it can be
> > > > helpered! - is my understanding correct. kindly can you make this
> point
> > > > clear -
> > > > > >
> > > > > > Regards
> > > > > > Manoj
> > > > > >
> > > > > > George Amen < george.amen@gmail.com> wrote:
> > > > > > Thanks alot guys,, appreciate all your help.
> > > > > >
> > > > > > - GA
> > > > > >
> > > > > >
> > > > > > On 10/23/05, Chris Lewis wrote:
> > > > > > > That is in the multicast domain, so no.
> > > > > > >
> > > > > > > Chris
> > > > > > >
> > > > > > >
> > > > > > > George Cosmo wrote:
> > > > > > > and what about ingress interface of the Last hop, do we have to
> > > enable
> > > > > > > directed broadcast wheather it is serial or ethernet interface.
> or
> > > > not.
> > > > > > >
> > > > > > > On 10/23/05, Chris Lewis wrote:
> > > > > > > > The ip directed broadcast command should be configured on the
> > > > interface
> > > > > > > facing the clients, ie the broadcast rather than multicast
> domain. I
> > > > opened
> > > > > > > a documenttaion bug on this a while back and someone is actually
> > > going
> > > > to
> > > > > > > fix this sometime
> > > > > > > >
> > > > > > > > CSCei89111
> > > > > > > >
> > > > > > > > Chris
> > > > > > > >
> > > > > > > > George Amen wrote:
> > > > > > > > IP Multicast Helper Example
> > > > > > > >
> > > > > > >
> > > >
> > >
> http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fipr_c/ipcpt3/1cfmulti.htm#wp1003511
> > > > > > > >
> > > > > > > > Do we need 'ip directed-broadcast' on the last hop router
> facing
> > > > clients?
> > > > > > > >
> > > > > > > > -GA
> > > > > > > >
> > > > > > > >
> > > > > > >
> > > >
> > >
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