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Bonding is working but no internet access. Hope I have given all the necessary details.

**kalidoss@kalidoss:~$ cat /etc/network/interfaces



# interfaces(5) file used by ifup(8) and ifdown(8)

#auto lo

#iface lo inet loopback



auto lo

iface lo inet loopback



#eth0 is manually configured, and slave to the “bond0” bonded NIC

auto enp1s0

iface enp1s0 inet manual

    bond-master bond0



#eth1 ditto, thus creating a 2-link bond.

auto enp5s0

iface enp5s0 inet manual

    bond-master bond0



# bond0 is the bonding NIC and can be used like any other normal NIC.

# bond0 is configured using static network information.

auto bond0

iface bond0 inet static

address 192.168.2.100

gateway 192.168.2.1

netmask 255.255.255.0

dns-nameservers 8.8.8.8, 8.8.4.4

#dns-search google.com

bond-mode 1 #balance-tlb

bond-miimon 100

bond-lacp 1

bond-slaves enp1s0 enp5s0



kalidoss@kalidoss:~$ cat /proc/net/bonding/bond0

Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)



Bonding Mode: load balancing (round-robin)

MII Status: up

MII Polling Interval (ms): 100

Up Delay (ms): 0

Down Delay (ms): 0



Slave Interface: enp1s0

MII Status: up

Speed: 100 Mbps

Duplex: full

Link Failure Count: 0

Permanent HW addr: 00:21:85:c7:d5:81

Slave queue ID: 0



Slave Interface: enp5s0

MII Status: up

Speed: 100 Mbps

Duplex: full

Link Failure Count: 0

Permanent HW addr: 00:e0:4d:08:1f:7a

Slave queue ID: 0    





kalidoss@kalidoss:~$ ifconfig

bond0: flags=5187<UP,BROADCAST,RUNNING,MASTER,MULTICAST>  mtu 1500

        inet 192.168.2.100  netmask 255.255.255.0  broadcast 192.168.2.255

        inet6 fe80::221:85ff:fec7:d581  prefixlen 64  scopeid 0x20<link>

        ether 00:21:85:c7:d5:81  txqueuelen 1000  (Ethernet)

        RX packets 316  bytes 25192 (25.1 KB)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 137  bytes 10257 (10.2 KB)

        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0



enp1s0: flags=6211<UP,BROADCAST,RUNNING,SLAVE,MULTICAST>  mtu 1500

        ether 00:21:85:c7:d5:81  txqueuelen 1000  (Ethernet)

        RX packets 22  bytes 3124 (3.1 KB)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 64  bytes 4143 (4.1 KB)

        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0



enp5s0: flags=6211<UP,BROADCAST,RUNNING,SLAVE,MULTICAST>  mtu 1500

        ether 00:21:85:c7:d5:81  txqueuelen 1000  (Ethernet)

        RX packets 294  bytes 22068 (22.0 KB)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 73  bytes 6114 (6.1 KB)

        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0



lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536

        inet 127.0.0.1  netmask 255.0.0.0

        inet6 ::1  prefixlen 128  scopeid 0x10<host>

        loop  txqueuelen 1000  (Local Loopback)

        RX packets 1250  bytes 79648 (79.6 KB)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 1250  bytes 79648 (79.6 KB)

        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 



kalidoss@kalidoss:~$ ip addr show

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000

    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

    inet 127.0.0.1/8 scope host lo

       valid_lft forever preferred_lft forever

    inet6 ::1/128 scope host 

       valid_lft forever preferred_lft forever

2: enp1s0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc fq_codel master bond0 state UP group default qlen 1000

    link/ether 00:21:85:c7:d5:81 brd ff:ff:ff:ff:ff:ff

3: enp5s0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc fq_codel master bond0 state UNKNOWN group default qlen 1000

    link/ether 00:21:85:c7:d5:81 brd ff:ff:ff:ff:ff:ff

4: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

    link/ether 00:21:85:c7:d5:81 brd ff:ff:ff:ff:ff:ff

    inet 192.168.2.100/24 brd 192.168.2.255 scope global bond0

       valid_lft forever preferred_lft forever

    inet6 fe80::221:85ff:fec7:d581/64 scope link 

       valid_lft forever preferred_lft forever**

I have followed the instructions in the following page
https://help.ubuntu.com/community/UbuntuBonding

kalidoss@kalidoss:~$ dmesg | grep -i bond0

[    4.157741] bonding: bond0 is being created...

[    4.331301] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready

[    4.378080] bond0: making interface enp5s0 the new active one

[    4.378359] bond0: Enslaving enp5s0 as an active interface with an up link

[    4.378468] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready

[    4.402765] bond0: Enslaving enp1s0 as a backup interface with a down link

[    5.246473] bond0: option mode: unable to set because the bond device has slaves