Creating and Using the EX EXOS Virtual Switch in Oracle Virtual Box
Name
MHELM
Versio n 0.2
Comments
Refreshing a rather old application note
Table of Contents
1. Introduction & Purpose......................................................................................3 2. Donloading and Preparing !"#.......................................................................3 3. $reating an %Host!nl'% (etor) in !"#...........................................................* *. $reating and using an E+!, "M........................................................................-. (etor)ing ith the E+!, "M in !"#............................................................... /. $aeats........................................................................................................... 11
h e E + ! , " M i n ! " # P a g e 3
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!" #ntroduction $ %ur&ose his guide proides instructions for creating and using the E+!, "M 4irtual sitch5 ithin !racle "irtual #o6. !racle "irtual #o6. 7ro8 the !"# online 8anual9 %"irtual#o6 is a crossplatfor8 irtuali:ation application. ;hat does that 8ean< 7or one thing= it installs on 'our e6isting Intel or >MD?ased co8puters= hether the' are running ;indos= Mac= Linu6 or ,olaris operating s'ste8s. ,econdl'= it e6tends the capa?ilities of 'our e6isting co8puter so that it can run 8ultiple operating s'ste8s 4inside 8ultiple irtual 8achines5 at the sa8e ti8e. ,o= for e6a8ple= 'ou can run ;indos and Linu6 on 'our Mac= run ;indos ,erer 200@ on 'our Linu6 serer= run Linu6 on 'our ;indos P$= and so on= all alongside 'our e6isting applications. Aou can install and run as 8an' irtual 8achines as 'ou li)e the onl' practical li8its are dis) space and 8e8or'.% he E+!, irtual sitch can ?e used to ?uild a netor) ithin !"# ?' hich "Ms can ?e interconnected. $o8plete netor) topologies can ?e created. his is e6tre8el' alua?le in that netor) conBgurations and protocols can ?e tested thoroughl' ithout the need for an' ph'sical eCuip8ent.
'" (ownloading and %reå OVB 7ind and donload !racle "irtual https9.irtual?o6.orgi)iDonloads
#o6
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!racle "irtual #o6 ?est functions ith the addition of the E6tension Pac). o install the !"# E6tension Pac)= donload it 4per the lin) a?oe5 and then install it as follos9 1. 2. 3. *. -.
,tart up !"# Enter the Preferences dialog Enter the E6tensions dialog $lic) on the >dd Pac)age ?utton ,elect the E6tension pac) Ble 4e.g. !racle"M"irtual#o6E6tensionPac)-.0.2010/31.?o6e6tpac)5 /. >ccept the er8s and $onditions
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. $lic) !F.
3" Creating an *+ost,Onl-* Networ. in OVB Prepare !"# for the Goutof?and 8anage8ent of E+!, "Ms as follos9
1. Enter the Preferences dialog 2. Enter the (etor) dialog 3. ,elect the Hostonl' (etor)s ta? *. $lic) on the >dd Host!nl' (etor) ?utton -. ,elect the ne Host!nl' (etor) >dapter /. $lic) on the Edit Host!nl' (etor) ?utton . In the >dapter dialog= deter8ine an uniCue su?net 4one not used ?' an' other adapter on 'our host5 and gie the Host!nl' (etor) >dapter an appropriate uniCue IP address and 8as) in that su?net.
@. Enter the DH$P ,erer ta?dialog and unchec) the ?o6 for the serer disa?ling it.
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" Creating and using an EXOS V0 et the latest E+!, .iso Ble fro8 'our E6tre8e ,E 4E.g. 821.1.1.*patch12.iso5. $reate an E+!, "M ith the folloing steps9 1. $lic) the %(e% I$!(.
2. $hoose %Linu6% for 'pe. 3. $hoose %!ther Linu6 432?it5% for "ersion. *. 'pe a na8e in the (a8e Beld 4e.g. %6210%5 and clic) $ontinue.
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-. ,et the 8e8or' si:e to ?e 2-/M# Download With Free Trial and clic) $ontinue.
/. ,elect %$reate a irtual hard drie no% and clic) $reate.
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. ,elect "DI and clic) $ontinue.
@. ,elect %7i6ed si:e% and clic) $ontinue.
. 'pe in 2-/M# in the si:e Beld and clic) $reate.
10.Dou?le clic) on the nel' created ?ut poered oJ irtual 8achine that should appear in the left fra8e in the !racle "M "irtual #o6 Manager indo.
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11.,elect the E+!, "M .iso Ble and clic) ,tart.
12.>t this point= the E+!, irtual 8achine indo should launch and there ill ?e a pro8pt to erase and for8at the %E6ternal Me8or' $ard%. 'pe %'% and hit Return.
13.;hen the for8atting process Bnishes and the pro8pt reads %press E(ER to re?oot%= do not hit enter= ?ut instead close the indo and choose the option to %Poer oJ the 8achine% and clic) !F. 1*.,elect the ne "M in the left fra8e in the !racle "M "irtual #o6 Manager indo and clic) ,ettings.
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1-.$lic) on the ,torage ta? ithin the "MKs settings indo select the .iso %optical drie% in the storage tree dialog on the left and clic) the Re8oe 8edia icon at the ?otto8 and then clic) the Re8oe ?utton.
1/.!ptionall'= clic) the >udio ta? and deselect the %Ena?le >udio% chec) ?o6.
1.$lic) the (etor) ta? and then on the %>dapter 1% su?ta? ido= using the %>ttached to9% dropdon list select the %Host onl' >dapter% option. $lic) on >danced and change the Pro8iscuous Mode to %>llo >ll%.
[email protected]?le and change the ne6t three adapters to %Internal (etor)% giing each a uniCue na8e 4e.g. I101= I102= and I103 respectiel'5= and change the Pro8iscuous Mode on all three to %>llo >ll%.
1.Lastl'= clic) !F.
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20.he E+!, "M is no read'. o start it= dou?le clic) on it again ithin the left fra8e in the !racle "M "irtual #o6 Manager indo.
he E+!, "M is the sa8e as an' E+!, sitch. he default ad8inistratorKs login is %ad8in% ith no passord. he Brst adapter= in the Host!nl' netor)= is the %out of?and% 8anage8ent port associated ith the MM "L>( and "RMM. he "M can ?e upgraded to a later E+!, i8age 4e.g. 821.1.1.*patch12.6os5 through an' "L>( ith an IP= ?ut in this case= it ould pro?a?l' ?e ?est to use the MM "L>(= hich= once assigned the proper IP= should ?e a?le to co88unicate ith the Host!nl' interface on the host. >s of E+!, 21.1 there is no separate ,,H +M!D= ?ut for E+!, "Ms ith ersion 1/.6 and ?elo there is an ,,H +M!D aaila?le. Lastl'= li)e an' E+!, sitch= one can license the E+!, "M for an' softare capa?ilit' using the trial license ia the %de?ug ep8 ena?le triallicense% co88and.
)" Networ.ing with the EXOS V0 in OVB he E+!, "M can hae up to @ netor) adapters or %ports%= the Brst of hich= as 8entioned a?oe= is the MM port. he Brst four are accessi?le for conBguration
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through the ,ettings I ithin the !"# 8anager. he re8aining adaptersports 8ust ?e conBgured through %?o68anage% shell co88ands. Here is an e6a8ple of a conBguration for the - th adapter 4port * fro8 the $LI of the irtual E+!, sitch59 vboxmanage vboxmanage vboxmanage vboxmanage vboxmanage
modifyvm modifyvm modifyvm modifyvm modifyvm
x201 x201 x201 x201 x201
--nic5 intnet --macaddress5 000496F201F5 --cableconnected5 on --intnet5 l14 --nicpromisc5 allow-all
he 8ain settings of an adapter that are of interest are the pro8iscuous 8ode 4 nicpro8isc5 hich should ?e set to alloall= and the internal netor) na8e 4 intnet5. >n internal netor) is ?asicall' an isolated seg8ent. >dapters on an internal netor) ith the sa8e na8e share that seg8ent. o %connect% a port on one E+!, "M sitch to a port on another E+!, "M sitch= si8pl' gie the adapters the sa8e internal netor) na8e. #elo to sitches share the sa8e internal netor) na8e for their 2nd adapter. he' are a?le to detect each other ia EDP.
It should ?e noted= that if one disa?les a port fro8 the $LI of an E+!, "M= the port on another "M sharing the sa8e internal netor) ith the disa?led port ill not
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sho as %don%. Instead= the internal adapters on ?oth sitches ould need to ?e disa?led to sho ?oth ports as %don% si8ultaneousl'. ,hell scripting proides a conenient a' conBgure E+!, "M adapters and possi?l' to create irtual netor)s. he folloing PERL script creates andor 8odiBes the nonMM ports on a series of E+!, "Ms na8ed G6201= G6202= etc. hen its output is piped into a shell. $ cat vnicpl !"#sr#bin#perl my $i % 2& my $' % 1& my $p % 201& my $n % $p - 200& w(ile )$p * 210+ , $i % 2& w(ile )$i * 9+ , $' % $i - 1& print vboxmanage print vboxmanage print F$i.n& print vboxmanage $n % $p - 200& print vboxmanage print $'.n& print vboxmanage $i % $i / 1& $p % $p / 1&
modifyvm x$p --nic$i intnet.n& modifyvm x$p --macaddress$i 000496F$p& modifyvm x$p --cableconnected $i on.n&
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modifyvm x$p --intnet$i l$n&
modifyvm x$p --nicpromisc$i allow-all.n&
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$ perl vnicpl s(
,i8ilar scripting could ?e used for a group of E+!, "Ms here?' their interconnections are created to for8 a speciBc netor) topolog'.
/" Ca5eats $ertain features do not or) ell on the E+!, "M due to their relation to the capa?ilities of the underl'ing hardare. 7or instance= hile port sharing 4L>5 or)s using L>$P= it onl' can use the roundro?in loadsharing
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algorith8= that is= the address?ased algorith8s are not aaila?le and L>$P is reCuired. >tte8pts to get !pen7lo or)ing ia the !pen7lo +M!D end ?adl' 4i.e. the E+!, "M crashes i88ediatel' ith the Brst install8ent of a o5. Lastl'= hile >$Ls and >$L counters appear to or) as e6pected= $lear7lo does not or) despite ?eing conBgura?le.
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