I have had the hardest time wrapping my head around the purpose of using BVIs.When configuring a 871W with muliple SSIDs and multiple VLANS, config guides instruct that the wireless LAN must be "bridged" to the wired LAN using a BVI.Why?If I have mul...

When buidling redundancy into the network, it is often recommended that an access layer swith have seperate connections to two (or more) distribution layer routers.In this design, it seems that the assumption is that the router is more likely to go b...

If I set up a site-to-site VPN using two Cisco routers (one at each site), will users behind either router be able to access the Internet for general usage?I ask because I know that some devices block all other traffic except traffic going over the V...

We have a "smart jack" installation that connects to our router. The cable going from the smart jack to the router WAN interface seems to be a CAT5e cable with RJ-45 connectors at both ends.Most network diagrams in training materials represent T1 Fr...