alt.certification.cisco - join
Discussion about Cisco certification
Low activity, 1885 subscribers, Usenet

comp.security.firewalls - join
Anything pertaining to network firewall security.
Low activity, 2658 subscribers, Usenet

Networking CISCO - join
This group is talking about all networking in cisco systems including Books,Exams,Configurations,Troubleshooting,Boson's Programs, Packet Tracer and other topics in the networking.
Low activity, 4400 members, moderated, restricted