When you comment out the IPGATEWAY statement it may render the others unrecognized, thus the error.? Use a multi-line comment when commenting out the IPGATEWAY section:
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/*
IPGATEWAY
Adapter eth0
44ENCAP 100.64.1.223
IPAddr 10.0.0.1
IPNetmask 255.255.255.0
IPPorts 2
ARP 10.0.0.10 KD6MTU-2 2 D
NONODEFAULTROUTE
****
*/
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But, I think perhaps you may have luck if you reduce the section to it's most simple form:
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IPGATEWAY
Adapter eth0
44ENCAP 100.64.1.223
IPAddr 10.0.0.1
IPNetmask 255.255.255.0
IPPorts 4
****
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If this works then you can start adjusting.? If it does not show us the errors it produces.? It may be in the IP addresses used, or perhaps something else..
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