Linux networking
Network calculation
| Show network info |
ipcalc 10.0.0.0/24
ipcalc 10.0.0.0/255.255.255.0 |
| Segment network into 2 50 node subnets |
ipcalc 10.0.0.0/24 -s 50 50 |
Net-tools versus Iptroute2
| List interfaces |
ip addr list
ifconfig -a
ip addr list eth0
ifconfig eth0 |
| Link status |
ip link list
ifconfig -a
ip link list eth0
ifconfig eth0 |
| Route table |
ip route
netstat -rn |
| Adding routes |
ip route add default via 10.0.0.1 |
| Add/delete IP addresses |
ip addr add 10.0.0.2/24 dev eth0
ifconfig eth0 10.0.0.2 netmask 255.255.255.0
ip addr del 10.0.0.2/24 dev eth0
ifconfig eth0 del 10.0.0.2
|
Linux Ethernet bonding
# Loading module:
# for Red Hat AS4, may work with other 2.6 Linuxes.
install bond0 /sbin/modprobe bonding -o bond0 mode=0 miimon=100
# for Red Hat AS3, may work with other 2.4 Linuxes.
alias bond0 bonding
options bond0 -o bonding mode=0 miimon=100
# For Redhat distributions
# ifcfg-ethx
DEVICE=ethx
USERCTL=no
ONBOOT=yes
MASTER=bond0
SLAVE=yes
BOOTPROTO=none
# ifcfg-bond0
DEVICE=bond0
USERCTL=no
ONBOOT=yes
IPADDR=172.16.48.66
NETMASK=255.255.255.0
GATEWAY=172.16.48.1
Reference:
Linux Net (Bonding)
