Correction : vm_hosted : rule_network_configure : MTU.

diff --git a/vm_hosted b/vm_hosted
index 847b818..dc86ddc 100755 (executable)
--- a/vm_hosted
+++ b/vm_hosted
@@ -326,7 +326,23 @@ rule_network_configure () {
                    network   $vm_ipv4
                    broadcast $vm_ipv4
                    netmask   255.255.255.255
                    network   $vm_ipv4
                    broadcast $vm_ipv4
                    netmask   255.255.255.255

-                   #mtu 1300
+                   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
                EOF
                    post-up   ip address add    $vm_ipv4/32 dev \$IFACE
                    pre-down  ip address delete $vm_ipv4/32 dev \$IFACE
                EOF