alt.certification.cisco - join
Discussion about Cisco certification
Low activity, 1802 subscribers, Usenet

comp.security.firewalls - join
Anything pertaining to network firewall security.
Low activity, 2604 subscribers, Usenet

networking cisco - join
This groub is talking about all networking in cisco systems including Books,Exams,Configurations,Troubleshooting,Boson's Programs and other topics in the networking.
Low activity, 3300 members, moderated, restricted