Problem installing x86_64 package on amd64 debian. What's the trouble?

Question

linux

I decided to try the new version of CommuniGate Pro 6.1c2 on the test server. Downloaded from
ftp://ftp.communigate.com/pub/stuff/Linux
cgatepro-linux_6.1c-
2_x86-64.deb

[email protected]:~# dpkg -i cgatepro-linux_6.1c-2_x86-64.deb
dpkg: error processing cgatepro-linux_6.1c-2_x86-64.deb (--install):
 package architecture (x86-64) does not match system (amd64)
Errors were encountered while processing:
 cgatepro-linux_6.1c-2_x86-64.deb

either I don't understand the basics (x86_64 and AMD64 aren't they the same thing?) or there is a problem inside the package. Where to dig?

Answer 1

That at you there is a distribution kit for 32 bits, I so suspect
Show for a start uname-p.

Answer 2

These are different names for the same architecture, but dpkg may well not know this, for sure the architectures are checked by a simple string comparison.
Since the machine is still a test machine, skip the architecture check: dpkg --force-architecture -i