I am running into an issue with programmatically changing the MTU settings
for an Ethernet adapter within SUSE Enterprise 11.

 

Issue:  We have configured an OS to run within VMware Player that will be
transferred between multiple PCs on removable media.  By nature (as well as
design) VMware will assign a new MAC Address (and therefore a new virtual
adapter) at each new PC, or location on the same PC.  Because we are using
Lotus Notes 8.5.1, and Cisco AnnyConnect VPN Tunneling, we need to set the
MTU for the adapter *WITHOUT* user intervention.

 

When Using *ifup* we can change global settings in the
"/etc/sysconfig/network/config" and adapter based settings in
"/etc/sysconfig/network/ifcfg.template" files, however once the adapter is
created, it must be manually activated and set to DHCP which requires "root"
permissions.

 

When using NetworkManager, the process is automated for the creation and
default activation of the eth<x> adapter, however the MTU must be set
manually, per adapter by the user.

 

I am trying to find a way (similar to adjusting the configurations of
config/ifcfg.template) that will programmatically set the MTU for ALL new
eth<x> adapters to 1492.

 

Any ideas will be GREATLY appreciated. J

Thanks Much

Jeff Sylvia   

 

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