If you want to test zebra please ftp the latest beta.
Zebra ftp site is:
note: The manual for the latest version of Zebra is included in the download.

ftp://ftp.zebra.org/pub/zebra

Europe(RIPE mirror):
ftp://ftp.ripe.net/mirrors/sites/ftp.zebra.org/pub/zebra/


Brazil:
ftp://ftp.pop-pr.rnp.br/pub/GNU/ftp.zebra.org/zebra/

New Zealand:
ftp://ftp.clear.net.nz/pub/zebra/

Canada:
ftp://ftp.crc.ca/pub/packages/network/zebra/

Sweden:
ftp://ftp.sunet.se/pub/network/zebra/

Mexico:
ftp://ftp.styx.net/mirrors/zebra/

UK:
ftp://ftp.knowledge.com/pub/mirrors/zebra/

Germany:
ftp://6bone.informatik.uni-leipzig.de/pub/ftp.zebra.org/pub/zebra/
Germany (For 6bone):
ftp://ftp.ipv6.uni-leipzig.de/pub/ftp.zebra.org/pub/zebra/