Modification : vm_host{,ed} : utilise m4.

[lhc/ateliers.git] / etc / network / interfaces.m4

diff --git a/etc/network/interfaces.m4 b/etc/network/interfaces.m4
new file mode 100644 (file)
index 0000000..73ff494
--- /dev/null
+++ b/etc/network/interfaces.m4
@@ -0,0 +1,29 @@
+auto lo
+iface lo inet loopback
+
+auto eth0=grenode
+iface grenode inet static
+       address   VM_IPV4
+       gateway   VM_IPV4 # NOTE: proxy_arp sur la passerelle permet d'utiliser la même adresse
+       network   VM_IPV4
+       broadcast VM_IPV4
+       netmask   255.255.255.255
+       mtu 1300
+         # NOTE: il y a besoin de ça en l'état actuel du réseau de Grenode
+         #       car la MTU des tunnels GRE/IPsec entre les routeurs de Grenode l'impose.
+         #
+         # root@ateliers:~# ping -M do -c 1 -s $((1500-20-8-200)) soupirail.grenode.net
+         # PING soupirail.grenode.net (91.216.110.1) 1272(1300) bytes of data.
+         # 1280 bytes from soupirail.grenode.net (91.216.110.1): icmp_req=1 ttl=63 time=18.0 ms
+         #
+         # --- soupirail.grenode.net ping statistics ---
+         # 1 packets transmitted, 1 received, 0% packet loss, time 0ms
+         # rtt min/avg/max/mdev = 18.027/18.027/18.027/0.000 ms
+         # root@ateliers:~# ping -M do -c 1 -s $((1500-20-8-200+1)) soupirail.grenode.net
+         # PING soupirail.grenode.net (91.216.110.1) 1273(1301) bytes of data.
+         # From estran.grenode.net (91.216.110.6) icmp_seq=1 Frag needed and DF set (mtu = 1300)
+         #
+         # --- soupirail.grenode.net ping statistics ---
+         # 0 packets transmitted, 0 received, +1 errors
+       post-up   ip address add    VM_IPV4/32 dev $IFACE
+       pre-down  ip address delete VM_IPV4/32 dev $IFACE