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Mobile IP extension in NS2



We are fourth year students, completing our thesis project in Mobile IP.

We have been trying to install NS2 and now we have it working, however
the
Mobile IP modules within the setup are not working properly.

We are trying to run the example given in
ns2/tcl/ex/wireless-mip-test.tcl, however the error obtained is as
follows:

expected a list of classes but got Node/MobileNode/BaseStationNode
    (Class superclass line 1)
    (Object init line 1)
    invoked from within
"MobileNode/MIPBS init -superclass Node/MobileNode/BaseStationNode"
    (Class create line 1)
    invoked from within
"Class create MobileNode/MIPBS -superclass
Node/MobileNode/BaseStationNode"
    ("eval" body line 1)
    invoked from within
"eval [list $self] create [list $m] $args         "
    (procedure "Class" line 5)
    (Class unknown line 5)
    invoked from within
"Class MobileNode/MIPBS -superclass Node/MobileNode/BaseStationNode"
    (file "../lib/ns-wireless-mip.tcl" line 35)
    invoked from within
"source.orig ../lib/ns-wireless-mip.tcl"
    ("uplevel" body line 1)
    invoked from within
"uplevel source.orig $fileName"
    (procedure "source" line 12)
    invoked from within
"source ../lib/ns-wireless-mip.tcl"
    (file "wireless-mip-test.tcl" line 93)


We are not quite sure if we should change the library files obtained in
the package (ns-wireless-mip.tcl).

We greatly appreciate any help you can give us. Thank you for your time.

Sarah and Micheline.