From: SCD (scdman@gmail.com)
Date: Sat Aug 04 2007 - 07:12:44 ART
Hi Group,
Got the following link from Archive's. Thanks for viewing.
http://www.cisco.com/en/US/products/hw/switches/ps708/products_tech_note09186a008059a9df.shtml
Regards
SCD
On 8/4/07, SCD <scdman@gmail.com> wrote:
>
> Hi friends,
>
> Summary : Do we need to enable any command on switch if both the multicast
> source and destination are in same subnet and same switch/vlan.
>
> Detail:
> The following is the unicast topology of 2 servers:
> Server 1 - ip : 10.1.1.1/24 - VLAN 2
> Server 2 - ip : 10.1.1.2/24 - VLAN 2
>
> Both are in same Gig module of a 6500.
>
> Both servers needs to commuicate using multicast IP 239.4.4.x for
> hearbeat in a cluster environment. At present no specific commands related
> to the multicast is in the switch. Do we need to enable anything to make
> this multicast working.
>
> My guess is that there is no neccesity for any config changes, as there is
> no need for routing between this server to be able to communicate via
> multicast. The fact that the multicast packets in switched environment will
> be sent as broadcast packet ie., to all switch ports unless CGMP is
> specifically enabled.
>
> Kind regards
> SCD
This archive was generated by hypermail 2.1.4 : Sat Sep 01 2007 - 11:32:09 ART