On Tue, 2009-09-08 at 17:34 -0500, Alan A wrote: > It has come to the point where our cluster production configuration > has halted due to the unexpected issues with multicasting on LAN/WAN. > > The problem is that the firewall enabled on the switch ports does not > support multicasting, and between cluster nodes and the routers lays > firewall. > > Nodes -> Switch with integrated Firewall devices -> Router > > We are aware of problems encountered with Cisco switches and are > trying to clear some things. For instance in RHEL Knowledgebase > article 5933 it states: > > > The recommended method is to enable multicast routing for a given vlan > so that the Catalyst will act as the IGMP querier. This consists of > the following steps: > > > > 1. Enabling multicast on the switch globally > > 2. Choosing the vlan the cluster nodes are using > > 3. Turning on PIM routing for that subnet > > > My Questions: > > Can we enable PIM routing on the Server NIC itself without using > dedicated network device? Meaning IGMP multicast would be managed by > the NIC's itself from each node, can the nodes awarnes function this > way? > > Any suggestions on how to get around firewall issue without purchesing > firewalls with routing tables? > > Cisco switch model is: switch 6509 running 12.2(18) SXF and IGMP v2. > I'm afraid only Cisco (and maybe some Cisco experts on this list) knows the answers to your questions. I suggest you contact your Cisco TAC for advice on configuring their products. They can help you achieve best results. Regards -steve > > > -- > Alan A. > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
