How to enable tcp keepalive for NFS in Red Hat Enterprise Linux ?
Issue
- How to enable tcp keepalive for NFS ?
# netstat -o
nfs_server:nfs ESTABLISHED off (0.00/0/0) <<=== Disabled
- All tcp keepalive parameters are default.
# sysctl -a |grep tcp_keepalive
net.ipv4.tcp_keepalive_time = 7200
net.ipv4.tcp_keepalive_probes = 9
net.ipv4.tcp_keepalive_intvl = 75
Environment
- Red Hat Enterprise Linux 5, 6 and 7
- NFS
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