35 lines
903 B
Bash
Executable File
35 lines
903 B
Bash
Executable File
#!/bin/sh
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. /lib/functions/tunneldigger.sh
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TUNNEL_ID="$1"
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INTERFACE="$3"
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OLD_MTU="$4"
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NEW_MTU="$5"
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# Get the bridge interface name for the old and new MTUs.
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tunneldigger_get_bridge old_bridge "${OLD_MTU}"
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tunneldigger_get_bridge new_bridge "${NEW_MTU}"
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if [ -z "$old_bridge" ]; then
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echo "Unable to determine which bridge to use for MTU ${OLD_MTU}."
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exit 1
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fi
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if [ -z "$new_bridge" ]; then
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echo "Unable to determine which bridge to use for MTU ${NEW_MTU}."
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exit 1
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fi
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# Get the isolation option for this bridge
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tunneldigger_get_bridge_isolate isolate "${NEW_MTU}"
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# Remove interface from old bridge.
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ip link set dev ${INTERFACE} nomaster
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ip link set dev ${old_bridge} mtu ${OLD_MTU}
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# Change interface bridge and MTU.
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ip link set dev ${INTERFACE} master ${new_bridge} mtu ${NEW_MTU}
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echo $isolate > /sys/class/net/${INTERFACE}/brport/isolated
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ip link set dev ${new_bridge} mtu ${NEW_MTU}
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