BalanceNG Parameters #
The show parameters command includes a description and a “default value changed” column
where a * indicates a change.
bng-MASTER# sh parameters
name min max default current c description
----------------- ---- ------- ------- ------- - ----------------------------------------------------------------
arplookup 5 60 10 10 initial ARP/ND6 interval for unknown addresses
arprefresh 5 3600 300 300 ARP/ND6 refresh interval for known addresses
arptimeout 0 86400 0 0 ARP/ND6 target timeout (0 = disabled)
backupalerts 0 1 1 1 run alert notification scripts in backup state
bngsyncport 1024 49151 10439 10439 bngsync port
debugscope 0 9 0 0 extra logging, see "show debugscopes"
eventinterval 10 600 10 10 event interval for rate computation
ephemeralstart 1024 49152 49152 49152 start of ephemeral port range
gratarpremind 0 120 0 0 send gratuitous ARP/unsolicited NA reminders (minutes, 0=off)
hashbytes4 1 4 4 4 IPv4 source address bytes for method hash
hashbytes6 1 16 16 16 IPv6 source address bytes for method hash
hcportoffset 1024 65535 30000 30000 health check port offset
hrwfull 0 1 0 0 process full sessionid with method_hrw
hrwserver 0 1 1 0 * include server number in method_hrw weight computation
ipflowdlimit 10 10000 10 10 ipflow display limit (show rnat)
ipforwarding 0 1 0 0 enable packet forwarding (RNAT and routing)
lognewsess 0 1 0 0 log new session table entries
maxsyncps 0 10000 0 0 maximum number of ST syncs per second (0=unlimited)
noftupdate 0 1 0 0 1=no forwarding table updates
psvrelearn 0 1 0 0 passive relearning of ARP/ND6 (default=off)
pthreadstacksize 0 1000000 204800 204800 set pthread stacksize, 0=default
rnatflowinterval 60 86400 60 60 interval to check for rnat flow expiry
rnatflowmaxage 60 3600 300 300 maximum age of rnat flows
rnatslbenable 0 1 0 1 * enable rnatslb packet rewriting
rnatslbtap 0 1 0 1 * tap rnatslb packets (original+rewritten)
sendprobes 0 1 0 0 send ARP/ND6 probes for own VIPs
sessionautoresync 0 1 1 1 1=autoresync active, 0=autoresync off
sessionarrtimeout 0 3600 60 60 session autoresync request timeout
sessiongclimit 1000 500000 100000 100000 session gc limit for outdated sessions
sessiondlimit 10 10000 10 30 * session table display limit (show sessions)
sessionscan 1 20 10 10 scan for outdated sessions (MASTER)
sessionscanbup 1 1000 100 100 scan for outdated sessions (BACKUP)
sessionsync 0 1 1 1 1=enable session table synchronisation
sessionsyncack 0 1 1 1 1=send session table sync acks
sessionsynciv 10 120 10 10 sync interval for active ST entries
sessiontimeout 10 172800 600 600 timeout for unused ST entries
sweeponreload 0 1 1 1 sweep session table after reload
syncackbdelay 1 60 10 10 initial delay after a backup requests ST sync
syncackmaxps 1 10000 2000 2000 maximum syncs per second
syncackresend 1 60 5 5 resend sync after N seconds
syncackwsize 1 10000 100 100 window size for session table sync/ack
stickytarget 0 1 1 1 stick target MAC address to interface seen first
strictrouting 0 1 1 1 accept only packets to BNG represented addresses
taparpreprx 0 10 0 0 send ARP replies received on if to tap queue (0=off)
taparpreptx 0 10 0 0 send ARP replies sent to if to tap queue (0=off)
taparpreqrx 0 10 0 0 send ARP requests received on if to tap queue (0=off)
taparpreqtx 0 10 0 0 send ARP requests sent to if to tap queue (0=off)
tapnarx 0 10 0 0 send neighbor advertisements received on if to tap queue (0=off)
tapnatx 0 10 0 0 send neighbor advertisements sent to if to tap queue (0=off)
tapnsrx 0 10 0 0 send neighbor solicitations received on if to tap queue (0=off)
tapnstx 0 10 0 0 send neighbor solicitations sent to if to tap queue (0=off)
taprarx 0 10 0 0 send router advertisements received on if to tap queue (0=off)
tapratx 0 10 0 0 send router advertisements sent to if to tap queue (0=off)
taprsrx 0 10 0 0 send router solicitations received on if to tap queue (0=off)
taprstx 0 10 0 0 send router solicitations sent to if to tap queue (0=off)
taprx 0 10 0 0 send everything received on if to tap queue (0=off)
taptx 0 10 0 0 send everything sent from if to tap queue (0=off)
tarpitrealto 60 86400 14400 14400 tarpit real ip address timeout
tarpittrapto 60 86400 600 600 tarpit trap ip address timeout
tcphalfopen 0 1 1 1 allow TCP halfopen on tcpopen health check (1=yes)
vrrpmasterdown 3 10 3 3 seconds to declare master as down
vrrppreempt 0 1 0 1 * enable VRRP preemption
vrrppreemptts 0 100 0 10 * set VRRP preemption threshold
vrrpv3ip 4 6 5 5 vrrp version 3 IP transport (5 = automatic)
vrrpversion 2 3 3 3 VRRP version
bng-MASTER#