Distribution EOLE

Sur amon 2.5.2 au reconfigure

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                        Application des paramètres Noyau                        
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sysctl: change la clé « net.ipv4.neigh.default.gc_thresh1 »: Argument invalide
sysctl: change la clé « net.ipv4.neigh.default.gc_thresh2 »: Argument invalide
sysctl: change la clé « net.ipv4.neigh.default.gc_thresh3 »: Argument invalide

ce qui donne :

#----------------------------------------------------------------------------
## sysctl.conf pour EOLE
#----------------------------------------------------------------------------

# activer l'antispoofing pour eth0
net.ipv4.conf.eth0.rp_filter = 1
# packet forwarding
net.ipv4.ip_forward = 1
# Enable the magic-sysrq key
kernel.sysrq = 1
# Disable tcp_timestamp
net.ipv4.tcp_timestamps = 0
# eviter les attaques SYN
#net.ipv4.tcp_syncookies = 1
# Enable fast recycling TIME-WAIT sockets
net.ipv4.tcp_tw_recycle = 1
#interdire l'ICMP redirection
net.ipv4.conf.all.accept_redirects = 0
#désactiver source routing
net.ipv4.conf.all.accept_source_route = 0
# Désactiver la notification de congestion (Prble http avec certain serveur)
net.ipv4.tcp_ecn = 0
# log martian sources désactivé
net.ipv4.conf.all.log_martians = 0
# random ip IDs
#kernel.grsecurity.rand_ip_ids = 1
# random tcp src port
#kernel.grsecurity.rand_tcp_src_ports = 1
# random pids
#kernel.grsecurity.rand_pids = 1
# altere ping
#kernel.grsecurity.altered_pings = 1
kernel.hostname = pf-amon
kernel.domainname = crid72.in.ac-nantes.fr
#neighbour table overflow stop culling limit
net.ipv4.neigh.default.gc_thresh1 = 128
#neighbour table overflow soft limit
net.ipv4.neigh.default.gc_thresh2 = 512
#neighbour table overflow hard limit
net.ipv4.neigh.default.gc_thresh3 = 1024
#ip_no_pmtu_disc : desactive le path mtu discovery le bit DF n'est pas positionne à 1
net.ipv4.ip_no_pmtu_disc = 0
# augmentation du net.core.rmem_max pour scannedonly
# for smb (#5256)
# utilisation de la swap par rapport à la mémoire vive (#10569)
vm.swappiness = 60

# Support IPV6
net.ipv6.conf.all.disable_ipv6=1
net.ipv6.conf.default.disable_ipv6=1
net.ipv6.conf.lo.disable_ipv6=1

# Routage IPv6
net.ipv6.conf.all.forwarding=0

lié à https://bugs.launchpad.net/ubuntu/+source/linux-lts-trusty/+bug/1634892 ???