On Mon, 7 Nov 2016 02:00:24 -0500 Sean Son wrote:
When I ping the VM, the first NIC's IP is not pingable at all, but the second NIC's IP is pingable. How do I configure the networking so that both IPs are pingable and the VM is reachable via both IPs?
The last time I did that I did it on Centos 5. Here are my notes from back then.
First, add two lines to /etc/iproute2/rt_tables, so it looks like this:
# # reserved values # 255 local 254 main 253 default 0 unspec # # local # #1 inr.ruhep 50 access1 60 access2
Then add the following routes:
ip route add 1.2.3.0/24 dev eth1 table access1 ip route add default via 1.2.3.1 dev eth1 table access1 ip rule add from 1.2.3.178/32 lookup access1
ip route add 1.2.3.0/24 dev eth2 table access2 ip route add default via 1.2.3.1 dev eth2 table access2 ip rule add from 1.2.3.180/32 lookup access2
Of course, in this example 1.2.3.178 is the IP address of the first nic and 1.2.3.180 is the address of the second nic.