On Aug 7, 2007, at 3:13 PM, Adam J Richardson wrote:
0&0xc0a80132 link#1 UCS 0 0 bge0
1. The first entry, it's not IPv4, IPv6 or a MAC address that I've
ever seen, what format is it?
It's possible to represent IPv4 addresses as a single number. I
don't recall the algorithm for converting that four byte dot-
delimited group into an integer, though, so I can't tell you what
number it is. Perhaps you can Google the algorithm and do the math
to figure out what it is.
aaa.bbb.ccc.ddd => 0xAABBCCDD, where AA = hex(aaa), BB = hex(bbb), etc.
In particular, 0xc0a80132 is the hex equivalent of 192.168.1.50.
An IP address + netmask can normally be represented in the routing
table via the slash notation-- say 192.168.1.50/24 meaning a
255.255.255.0 (or 0xffffff00) netmask. Non-contiguous netmasks are
represented by "address & netmask", but since no normal network ever
uses such a netmask, they almost always represent a
misconfiguration-- someone confused the arguments such that the route
command interpreted the gateway IP as a netmask instead.
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