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Diffstat (limited to 'doc/sync/notrack/node1/conntrackd.conf')
| -rw-r--r-- | doc/sync/notrack/node1/conntrackd.conf | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/doc/sync/notrack/node1/conntrackd.conf b/doc/sync/notrack/node1/conntrackd.conf new file mode 100644 index 0000000..1185351 --- /dev/null +++ b/doc/sync/notrack/node1/conntrackd.conf @@ -0,0 +1,150 @@ +# +# Synchronizer settings +# +Sync { + Mode NOTRACK { + # + # Entries committed to the connection tracking table + # starts with a limited timeout of N seconds until the + # takeover process is completed. + # + CommitTimeout 180 + } + + # + # Multicast IP and interface where messages are + # broadcasted (dedicated link). IMPORTANT: Make sure + # that iptables accepts traffic for destination + # 225.0.0.50, eg: + # + # iptables -I INPUT -d 225.0.0.50 -j ACCEPT + # iptables -I OUTPUT -d 225.0.0.50 -j ACCEPT + # + Multicast { + IPv4_address 225.0.0.50 + IPv4_interface 192.168.100.100 # IP of dedicated link + Interface eth2 + Group 3780 + + # The multicast sender uses a buffer to enqueue the packets + # that are going to be transmitted. The default size of this + # socket buffer is available at /proc/sys/net/core/wmem_default. + # This value determines the chances to have an overrun in the + # sender queue. The overrun results packet loss, thus, losing + # state information that would have to be retransmitted. If you + # notice some packet loss, you may want to increase the size + # of the sender buffer. Note: This protocol is best effort, + # really recommended to increase the buffer size. + + McastSndSocketBuffer 1249280 + + # The multicast receiver uses a buffer to enqueue the packets + # that the socket is pending to handle. The default size of this + # socket buffer is available at /proc/sys/net/core/rmem_default. + # This value determines the chances to have an overrun in the + # receiver queue. The overrun results packet loss, thus, losing + # state information that would have to be retransmitted. If you + # notice some packet loss, you may want to increase the size of + # the receiver buffer. Note: This protocol is best effort, + # really recommended to increase the buffer size. + + McastRcvSocketBuffer 1249280 + } + + # Enable/Disable message checksumming + Checksum on + + # Uncomment this if you want to replicate just certain TCP states. + # This option introduces a tradeoff in the replication: it reduces + # CPU consumption and lost messages rate at the cost of having + # backup replicas that don't contain the current state that the active + # replica holds. TCP states are: SYN_SENT, SYN_RECV, ESTABLISHED, + # FIN_WAIT, CLOSE_WAIT, LAST_ACK, TIME_WAIT, CLOSE, LISTEN. + # + # Replicate ESTABLISHED TIME_WAIT for TCP + + # If you have a multiprimary setup (active-active) without connection + # persistency, ie. you can't know which firewall handles a packet + # that is part of a connection, then you need direct commit of + # conntrack entries to the kernel conntrack table. OSPF setups must + # set on this option. Default is Off. + # + # CacheWriteThrough On +} + +# +# General settings +# +General { + # + # Number of buckets in the caches: hash table + # + HashSize 8192 + + # + # Maximum number of conntracks: + # it must be >= $ cat /proc/sys/net/ipv4/netfilter/ip_conntrack_max + # + HashLimit 65535 + + # + # Logfile: on, off, or a filename + # Default: on (/var/log/conntrackd.log) + # + #LogFile off + + # + # Syslog: on, off or a facility name (daemon (default) or local0..7) + # Default: off + # + #Syslog on + + # + # Lockfile + # + LockFile /var/lock/conntrack.lock + + # + # Unix socket configuration + # + UNIX { + Path /tmp/sync.sock + Backlog 20 + } + + # + # Netlink socket buffer size + # + SocketBufferSize 262142 + + # + # Increase the socket buffer up to maximum if required + # + SocketBufferSizeMaxGrown 655355 +} + +# +# Ignore traffic for a certain set of IP's: Usually +# all the IP assigned to the firewall since local +# traffic must be ignored, just forwarded connections +# are worth to replicate +# +IgnoreTrafficFor { + IPv4_address 127.0.0.1 # loopback + IPv4_address 192.168.0.1 + IPv4_address 192.168.1.1 + IPv4_address 192.168.100.100 # dedicated link ip + IPv4_address 192.168.0.100 # virtual IP 1 + IPv4_address 192.168.1.100 # virtual IP 2 +} + +# +# Do not replicate certain protocol traffic +# +IgnoreProtocol { + UDP + ICMP + IGMP + VRRP + # numeric numbers also valid +} |