Booting F Rom N Etwork; Operating S Ystem S Upport; Software Reset; Routerboot - MikroTik RouterBoard 1200 User Manual

stored i n t he r oot d irectory o n t hat p artition. I t i s p ossible t o p artition t he r est o f t he m edium b y p atching t he
kernel s ource.
Booting f rom n etwork
Network b oot w orks s imilarly t o P XE o r E therBoot p rotocol, a nd a llows y ou t o t he d evice f rom a n e xecutable
image s tored o n a T FTP s erver. I t u ses B OOTP o r D HCP ( configurable i n b oot l oader) p rotocol t o g et a v alid I P
address, a nd T FTP p rotocol t o d ownload a n e xecutable ( ELF) k ernel i mage c ombined w ith t he i nitial R AM d isk
(inserted a s a n E LF s ection) t o b oot f rom ( the T FTP s erver's I P a ddress a nd t he i mage n ame m ust b e s ent b y
the B OOTP/DHCP s erver).
To b oot t he R outerBOARD c omputer f rom E thernet n etwork y ou n eed t he f ollowing:
An E LF k ernel i mage f or t he l oader t o b oot f rom ( you c an e mbed t he k ernel p arameters a nd i nitrd i mage
•
as E LF s ections c alled k ernparm a nd i nitrd r espectively)
A T FTP s erver w hich t o d ownload t he i mage f rom
•
A B OOTP/DHCP s erver ( may b e i nstalled o n t he s ame m achine a s t he T FTP s erver) t o g ive a n I P a ddress,
•
TFTP s erver a ddress a nd b oot i mage n ame
See t he R outerBOOT s ection o n h ow t o c onfigure l oader t o b oot f rom n etwork.
Note t hat y ou m ust c onnect t he R outerBOARD y ou w ant t o b oot, a nd t he B OOTP/DHCP a nd T FTP s ervers t o
the s ame b roadcast d omain ( i.e., t here m ust n ot b e a ny r outers b etween t hem).
Operating S ystem S upport
MikroTik R outerOS s tarting f rom v ersion v 5 i s f ully c ompatible w ith R outerBOARD 1 200 s eries d evices. I f y our
device i s p reinstalled w ith a n e arlier R outerOS r elease, p lease u pgrade R outerOS t o v 5.6 o r n ewer.
Software R eset
It i s p ossible t o r eset a ll s oftware c onfiguration b y u sing t he S oftware R eset j umper ( C1138) d uring t he p ower-­‐
up. N o c onfirmation o r p asswords w ill b e a sked, s o u se w ith c aution. T his f eature c an b e d isabled i n t he
"system r outerboard s ettings" m enu b y s witching t he " enable-­‐jumper-­‐reset" p arameter t o " no".
Simply u se a m etal o bject t o s hort c ircuit t he m etallic r eset j umper w hile b ooting.
RouterBOOT
The R outerBOOT f irmware ( also r eferred a s B ootloader h ere) p rovides t he b asic f unctionality t o b oot a n
Operating S ystem. I t s upports s erial c onsole v ia t he o nboard s erial p ort a t t he b oot t ime. T he l oader s upports
booting f rom t he o nboard N AND d evice a nd f rom a n etwork s erver ( see t he r espective s ection f or d etails o n
this p rotocol).
Boot L oader C onfiguration
Loader p arameters m ay b e c onfigured t hrough t he o nboard R S232C D B9 a synchronous s erial i nterface. T o
connect t o i t, u se a s tandard n ull-­‐modem c able. B y d efault, t he p ort i s s et t o 1 15200bit/s, 8 d ata b its, 1 s top
bit, n o p arity. N ote t hat t he d evice a lso i mplements t he h ardware ( RTS/CTS) f low c ontrol.
To e nter t he l oader c onfiguration s creen, p ress a ny k ey ( or o nly [ Delete] k ey ( or [ Backspace] k ey – s ee t he n ote
for t he r espective c onfigurable o ption), d epending o n t he a ctual c onfiguration) j ust a fter t he b oot l oader i s
asking f or i t:
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