Working on my CCNA and studying IPV6.  In the attached file is the network I am working on.  I can not ping across router c, so A and B can't ping D or E, and vice versa.  This comes from Lammle's CCNA book page 574.  Any help would be greatly apprec...

I am trying to create a ROAS in Packet Tracer and have come up to a wall.  In the attached file I can not ping the hosts of one VLAN to the other.  I can ping hosts on the same VLAN and the gateway.  I am really new at this and any help will be appre...