mirror of
https://github.com/GNS3/gns3-registry.git
synced 2024-12-30 17:46:58 +00:00
47 lines
1.3 KiB
Bash
47 lines
1.3 KiB
Bash
set -x
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# Enable NAT
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echo "iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE" >> /opt/bootlocal.sh
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echo "iptables -A FORWARD -i eth1 -o eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT" >> /opt/bootlocal.sh
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echo "iptables -A FORWARD -i eth0 -o eth1 -j ACCEPT" >> /opt/bootlocal.sh
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tce-load -wi dnsmasq
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# Setup DHCP
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# A random IP range is choose at startup allowing user to put multiple access links
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cat > setup_dhcp_and_ip.sh << 'EOF2'
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#!/bin/sh
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killall udhcpc
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killall udhcpd
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killall dnsmasq
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udhcpc -i eth1
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IP=$((RANDOM%253+1))
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ifconfig eth0 172.16.$IP.1 netmask 255.255.255.0 up
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echo "expand-hosts" >> /etc/dnsmasq.conf
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echo "no-negcache" >> /etc/dnsmasq.conf
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echo "dhcp-authoritative" >> /etc/dnsmasq.conf
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echo "dhcp-leasefile=/tmp/dhcp.leases" >> /etc/dnsmasq.conf
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echo "dhcp-range=172.16.$IP.2,172.16.$IP.254,12h" >> /etc/dnsmasq.conf
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echo "# Netmask" >> /etc/dnsmasq.conf
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echo "dhcp-option=1,255.255.255.0" >> /etc/dnsmasq.conf
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echo "# Route" >> /etc/dnsmasq.conf
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echo "dhcp-option=3,172.16.$IP.1" >> /etc/dnsmasq.conf
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dnsmasq
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EOF2
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sudo mv setup_dhcp_and_ip.sh /sbin/setup_dhcp_and_ip.sh
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sudo chmod 700 /sbin/setup_dhcp_and_ip.sh
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sudo chown root /sbin/setup_dhcp_and_ip.sh
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echo '/sbin/setup_dhcp_and_ip.sh' >> /opt/bootlocal.sh
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echo 'etc/dnsmasq.conf' >> /opt/.filetool.lst
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echo 'sbin/setup_dhcp_and_ip.sh' >> /opt/.filetool.lst
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