[Xorp-cvs] XORP cvs commit: xorp/ospf

Atanu Ghosh atanu at ICSI.Berkeley.EDU
Thu Feb 22 16:05:28 PST 2007


Hi,

The code now deals correctly with possible conflicts between the system
interface ID and the OSPF generated number for virtual links.

	  Atanu.

>>>>> "Bruce" == Bruce M Simpson <bms at icir.org> writes:

    Bruce> Atanu Ghosh wrote:
    >> In OSPFv3 hello packets and Router-LSAs carry an interface ID,
    >> for virtual links a unique ID is required that doesn't clash with
    >> with routers real interface IDs. Allocate pseudo interface IDs
    >> starting at 1000 for virtual links. Is this going to be a problem
    >> on windows?
    >> 
    Bruce> Quite possible, if by 'interface ID' you are referring to
    Bruce> 'interface index' in the TCP/IP stack.

    Bruce> Windows uses a 32-bit wide interface index space. From what
    Bruce> I've seen it may use numbers higher up in that space. It
    Bruce> might be worth testing against Microsoft OSPF to see which
    Bruce> interface IDs it uses for virtual links, then again, they
    Bruce> might not implement OSPFv3 yet.

    Bruce> BMS



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