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Examining the Network Configuration FilesEach interface of each peer node must have the following configuration information:
Examine these files to understand the network configuration of a peer node. To find the name of the current node, see Mapping the Network Configuration of a Peer Node. The network configuration files contain the following example information. In the following examples, the node name is MEN-C250-N20.
Examining the Routes on a NodeAt startup, the Cluster Membership Manager (CMM) creates a routing table for the interfaces on each peer node. The routing table is used by Carrier Grade Transport Protocol (CGTP) for data replication. To examine the routing table for a peer node, perform the following procedure. For simplicity, this procedure does not show external network access.
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# netstat -r |
For a node using the class C addressing scheme, output similar to this is displayed:
Routing Table: IPv4 Destination Gateway Flags Ref Use Interface -------------------- -------------------- ----- ----- ------ --------- 10.250.3.255 10.250.1.255 UGHMS 1 0 10.250.3.255 10.250.2.255 UGHMS 1 0 NMEN-C250-N30-cgtp NMEN-C250-N30 UGHMS 1 2557 NMEN-C250-N30-cgtp NMEN-C250-N30-nic1 UGHMS 1 2554 master-cgtp0 master-nic0 UGHMS 1 1 master-cgtp0 master-nic1 UGHMS 1 1 MEN-C250-N10-cgtp MEN-C250-N10 UGHMS 1 2644 MEN-C250-N10-cgtp MEN-C250-N10-nic1 UGHMS 1 2640 10.250.1.0 MEN-C250-N20 U 1 3886 hme0 10.250.1.0 MEN-C250-N20 U 1 0 hme0:1 10.250.2.0 MEN-C250-N20-nic1 U 1 3866 hme1 10.250.2.0 MEN-C250-N20-nic1 U 1 0 hme1:1 10.250.3.0 MEN-C250-N20-cgtp U 1 0 cgtp0 10.250.3.0 MEN-C250-N20-cgtp U 1 0 cgtp0:1 default 10.250.1.253 UG 1 0 localhost localhost UH 17 747 lo0 |
For a description of the column headings, see Output of the netstat -r Command.
From the sample output, you can conclude the following facts:
This is a three node cluster. The cluster contains the nodes NMEN-C250-N30, MEN-C250-N10, and the current node.
The CGTP routes to broadcast 10.250.1.255 are as follows:
Destination Gateway Flags Ref Use Interface -------------------- -------------------- ----- ----- ------ --------- 10.250.3.255 10.250.1.255 UGHMS 1 0 10.250.3.255 10.250.2.255 UGHMS 1 0 |
The CGTP routes to node 30 are as follows:
Destination Gateway Flags Ref Use Interface -------------------- -------------------- ----- ----- ------ --------- NMEN-C250-N30-cgtp NMEN-C250-N30 UGHMS 1 2557 NMEN-C250-N30-cgtp NMEN-C250-N30-nic1 UGHMS 1 2554 |
The CGTP routes to the CGTP floating address, cgtp0:1, are as follows:
Destination Gateway Flags Ref Use Interface -------------------- -------------------- ----- ----- ------ --------- master-cgtp master-nic0 UGHMS 1 1 master-cgtp master-nic1 UGHMS 1 1 |
The CGTP routes to MEN-C250-N10 are as follows:
Destination Gateway Flags Ref Use Interface -------------------- -------------------- ----- ----- ------ --------- MEN-C250-N10-cgtp MEN-C250-N10 UGHMS 1 2644 MEN-C250-N10-cgtp MEN-C250-N10-nic1 UGHMS 1 2640 |
The other entries in the table are standard Solaris routes.
To change the entries in the routing table, use the route command as described in the route(1M) man page.
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