Monday, January 28, 2019

Centos : Allow two NIC with different subnet

Solution:

Edit /etc/sysctl.conf

# Controls IP packet forwarding
net.ipv4.ip_forward = 1
# Controls source route verification
net.ipv4.conf.default.rp_filter = 2
...

Save and restart server

Source:
http://jensd.be/468/linux/two-network-cards-rp_filter

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