
376 Part Three • IPv6 Practice
22.1.9 CLOSING TOPICS
That’s about it. We’ve built an IPv6-capable Cisco 2611 from the ground up
and tested IPv4 and IPv6 functionality. It won’t be fast—yet—but now you
can get to work trying other IPv6 applications and utilities. The testbed is
ready.
Warning: Until you understand the various support protocols for IPv6
(i.e., ndpd.conf), be careful about configuring ACL or firewalls. It is
suggested you start with relatively “open” rules and watch how the sys-
tem communicates using tools like “snoop” (Solaris) or “tcpdump,” then
tighten down your security stance.
22.2 Configuring a Cisco 7200 Router
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This section describes ...