RE: Bidir-PIM: Example

From: Jay.Hanke@alltel.com
Date: Mon Oct 08 2007 - 10:36:03 ART


Agreed, but my question is regarding running two RP's on the same
router, one for Bidirectional and one for Sparse mode. Otherwise, how
would the routers know to allow upstream traffic for a particular group?

  _____

        From: shiran guez [mailto:shiranp3@gmail.com]
        Sent: Monday, October 08, 2007 12:21 AM
        To: Hanke, Jay
        Cc: ccielab@groupstudy.com
        Subject: Re: Bidir-PIM: Example

        no, when you set a static RP address you must set it on all the
Multicast Routers inclde the RP himself.

        On 10/7/07, Jay.Hanke@alltel.com <Jay.Hanke@alltel.com> wrote:

                In the bidir-pim example on this page:

http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124cg/hi
mc_c/
                chap05/mcbbasic.htm#wp1134906

                The following example is cited with the description
saying that group 226/8
                will be in sparse mode rather than bidirectional mode.

                !Enable IP multicast routing
                ip multicast-routing
                !Enable bidir-PIM
                ip pim bidir-enable
                interface loopback 0
                description One Loopback address for this routers Bidir
Mode RP function
                ip address 10.0.1.1 255.255.255.0
                !
                interface loopback 1
                description One Loopback address for this routers Sparse
Mode RP function
                ip address 10.0.2.1 255.255.255.0

                ip pim rp-address 10.0.1.1 45 bidir
                ip pim rp-address 10.0.2.1 46 bidir

                access-list 45 permit 224.0.0.0 0.255.255.255
                access-list 45 permit 227.0.0.0 0.255.255.255
                access-list 46 permit 226.0.0.0 0.255.255.255

                Shouldn't the ip pim rp-address 10.0.2.1 46 bidir
command have the bidir
                stripped off?

                Thanks,

                jay

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