I ran into a situation where client I had supported was having network timeouts and a huge amount of packet drops on their network when trying to connect to their ODA from the application stack. After many hours (2 days to be exact) of troubleshooting, it was discovered that there was an issue with the Grid Infrastructure network configuration vs what the client's network was configured with. The client's default gateway was set to 10.10.10.1 . However when looking at their network configuration set in the GI, it reflected 10.10.0.0 as this is what Oracle was expecting it to be based off of ipcalc. ipcalc -bnm 10.10.40.42 255.255.0.0 NETMASK=255.255.0.0 BROADCAST=10.10.255.255 NETWORK= 10.10.0.0 ################ [root@oraprd1 .ssh]# oifcfg getif ibbond0 192.168.16.0 global cluster_interconnect,asm bond0 10.10.0.0 global public ################ # srvctl config network Network 1 exists Subnet IPv4: 10.10.0.0 /255.255.0.0...
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