diff options
| -rw-r--r-- | modprobe.d/bonding.conf | 2 | ||||
| -rw-r--r-- | rc.inet1 | 60 | ||||
| -rw-r--r-- | rc.inet1.conf | 17 |
3 files changed, 72 insertions, 7 deletions
diff --git a/modprobe.d/bonding.conf b/modprobe.d/bonding.conf new file mode 100644 index 0000000..20652c2 --- /dev/null +++ b/modprobe.d/bonding.conf @@ -0,0 +1,2 @@ +options bonding max_bonds=0 +options rtnl-link-bond max_bonds=0 @@ -175,6 +175,50 @@ br_close() { /sbin/ip link del ${IFNAME[$1]} } +# Function to create a bond. +bond_create() { + # Argument is 'i' - the position of this interface in the IFNAME array. + info_log "${IFNAME[$1]}: creating bond" + debug_log "/sbin/ip link add name ${IFNAME[$1]} type bond" + /sbin/ip link add name ${IFNAME[$1]} type bond + debug_log "/sbin/ip link set dev ${IFNAME[$1]} type bond mode ${BONDMODE[$1]}" + /sbin/ip link set dev ${IFNAME[$1]} type bond mode ${BONDMODE[$1]} + for BONDIF in ${BONDNICS[$1]}; do + debug_log "/sbin/ip link set dev $BONDIF down" + /sbin/ip link set dev $BONDIF down + debug_log "/sbin/ip address flush dev $BONDIF" + /sbin/ip address flush dev $BONDIF + debug_log "/sbin/ip link set $BONDIF master ${IFNAME[$1]}" + /sbin/ip link set $BONDIF master ${IFNAME[$1]} + debug_log "/sbin/ip link set dev $BONDIF up" + /sbin/ip link set dev $BONDIF up + done + while read -r -d \| BONDOPT; do + if [ -n "$BONDOPT" ]; then + debug_log "/sbin/ip link set dev ${IFNAME[$1]} type bond $BONDOPT" + /sbin/ip link set dev ${IFNAME[$1]} type bond $BONDOPT + fi + done <<<"${BONDOPTS[$1]}|" # The | on the end is required. +} + +# Function to destroy a bond. +bond_destroy() { + # Argument is 'i' - the position of this interface in the IFNAME array. + info_log "${IFNAME[$1]}: destroying bond" + debug_log "/sbin/ip link set dev ${IFNAME[$1]} down" + /sbin/ip link set dev ${IFNAME[$1]} down + debug_log "/sbin/ip address flush dev ${IFNAME[$1]}" + /sbin/ip address flush dev ${IFNAME[$1]} + for BONDIF in ${BONDNICS[$1]}; do + debug_log "/sbin/ip link set $BONDIF nomaster" + /sbin/ip link set $BONDIF nomaster + debug_log "/sbin/ip link set dev $BONDIF down" + /sbin/ip link set dev $BONDIF down + done + debug_log "/sbin/ip link del name ${IFNAME[$1]} type bond" + /sbin/ip link del name ${IFNAME[$1]} type bond +} + # Function to bring up a network interface. If the interface is # already up or does not yet exist (perhaps because the kernel driver # is not loaded yet), do nothing. @@ -194,10 +238,12 @@ if_up() { return fi info_log "${1}: configuring interface" - # If the interface is a bridge, then create it first. - # If you need to set hardware addresses for the underlying interfaces, - # configure the interfaces with IPs of 0.0.0.0 and set the MAC address - # in the usual way. Then, finally, define the bridge. + # If you need to set hardware addresses for the underlying interfaces in a + # bond or bridge, configure the interfaces with IPs of 0.0.0.0 and set the + # MAC address with HWADDR. Then, finally, define the bond or bridge. + # If the interface is a bond, create it. + [ -n "${BONDNICS[$i]}" ] && bond_create $i + # If the interface is a bridge, create it. [ -n "${BRNICS[$i]}" ] && br_open $i if [ -e /sys/class/net/${1%%[:.]*} ]; then # interface exists if ! /sbin/ip address show scope global dev ${1} 2>/dev/null | grep -Ewq '(inet|inet6)' || \ @@ -460,9 +506,9 @@ if_down() { cat /proc/sys/net/ipv6/conf/default/accept_ra >/proc/sys/net/ipv6/conf/$1/accept_ra fi # If the interface is a bridge, then destroy it now: - if [ -n "${BRNICS[$i]}" ]; then - br_close $i - fi + [ -n "${BRNICS[$i]}" ] && br_close $i + # If the interface is a bond, then destroy it now. + [ -n "${BONDNICS[$i]}" ] && bond_destroy $i # Take down VLAN interface, if configured. if echo "${1}" | grep -Fq .; then info_log "${1}: destroying VLAN interface" diff --git a/rc.inet1.conf b/rc.inet1.conf index ce22cd3..e48f5c1 100644 --- a/rc.inet1.conf +++ b/rc.inet1.conf @@ -78,6 +78,23 @@ DEBUG_ETH_UP="no" # ============================================================================= +# Example of how to configure a bond (link aggrigation) interface. + +# IFNAME[0]="bond0" +# BONDNICS[0]="eth0 eth1" +# BONDMODE[0]="balance-rr" +# BONDOPTS[0]="xmit_hash_policy layer2+3 | miimon 100" +# IPADDR[0]="192.168.0.1" +# NETMASK[0]="24" +# IPALIASES[0]="" +# USE_DHCP[0]="" +# DHCP_HOSTNAME[0]="" +# IP6ADDRS[0]="" +# USE_SLAAC[0]="" +# USE_DHCP6[0]="" + +# ============================================================================= + # Example of how to configure a VLAN interface. # The VLAN ID is taken from the full interface name, which is comprised of the # underlying interface name, a period (.) and then the VLAN ID. |