Ubuntu IP issue
Hello all
I am currently running ubuntu 14.04.1 LTS which I installed today on my dell poweredge R210 for testing purposes. I configured both NIC cards, the first one on a static IP address and the second on DHCP. My problem is when I disconnect my ethernet cable from the static IP address it doesn't allow me to Ping from my other connection via DHCP. From what I know I should still be able to ping from the second interface. help pleaase. A separate issue from this, why cant I set a static IP on ubuntu 16.04 without rebooting the machine??? This is my configuration: Last login: Thu Jun 15 14:11:46 2017 from 192.168.5.167 bi@ubuntu:~$ cat /etc/network/interfaces # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto em1 iface em1 inet static address 192.168.5.33 netmask 255.255.255.0 gateway 192.168.5.1 #The secondary network interface auto em2 iface em2 inet dhcp |
Hi stickyrice ... A few questions to help us help you:
- Are both NICs wired ? ... or is the DHCP-configured (secondary) interface wireless ? - Are you expecting both connections to be live simultaneously ? To me, this would be an unusual objective, unless you are connecting to 2 different networks, and even then, the setup would be quite particular. - If you are NOT expecting both to be live simultaneously (most likely), when unplugging the ethernet cable from the primary interface, are you also instructing your system to set it DOWN ? For example: Code:
# ip link set em1 down - What network configuration system are you using ? I am afraid I'm not that familiar with Ubuntu. Catch up with you once you get back to us ... |
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