Workstation User’s Manual
308 VMware, Inc.
Disable Packet Forwarding on Linux Hosts
Ifyoufindpacketsleakingfromahost‐onlynetworkonaLinuxhostcomputer,check
whetherforwardingwasmistakenlyenabledonthehostmachine.Ifitisenabled,
disableit.
To disable packet forwarding on Linux hosts
DependingonwhichtypeofLinuxsystemyouhave,useoneofthefollowingmethods:
Disableforwardingbywritinga0(zero)tothespecialfile
/proc/sys/net/ipv4/ip_forward.Asroot(su-),enterthefollowingcommand:
echo "0" > /proc/sys/net/ipv4/ip_forward
UseaconfigurationoptionthatisappropriateforyourLinuxdistribution.
For example,youmightuseacontrolpanel,specifyasettingatthetimeyou
compileyourkernel,orenteraspecificationwhenyoubootyoursystem.
Fordetailsaboutthemethodtousewithyourdistribution,consultyouroperating
systemdocu
mentation.
Maintaining and Changing the MAC Address of a Virtual
Machine
Whenavirtualmachineispoweredon,Workstationassignseachofitsvirtualnetwork
adaptersanEthernetmediaaccesscontrol(MAC)address.AMACaddressisthe
uniqueaddressassignedtoeachEthernetnetworkdevice.
ThesoftwareguaranteesthatvirtualmachinesareassigneduniqueMACaddresses
withinagivenhostsystem.Thevirtualmach
ineisassignedthesameMACaddress
everytimeitispoweredonifbothofthefollowingconditionsaretrue:
Thevirtualmachineisnotmoved.Thatis,thepathnameandfilenameforthe
virtualmachine’sconfigurationfileremainthesame.
Nochangesaremadetocertainsettingsintheconfigurationfile.
However,WorkstationcannotguaranteetoautomaticallyassignuniqueMAC
addressesforvirtualmachinesthatrunonmultiplehostsystems.
Avoiding MAC Address Changes
ToavoidchangesintheMACaddressautomaticallyassignedtoavirtualmachine,do
notmovethevirtualmachine’sconfigurationfile.Movingittoadifferenthost
computerorevenmovingittoadifferentlocationonthesamehostcomputerchanges
theMACaddress.
Kommentare zu diesen Handbüchern