... 2Network Design TechnologiesFIGURE 2.8 Layer 3 switch design Figure 2.8 shows the use of external routers, which may lead to a split subnet or black hole problem, as discussed in Chapter 13. This design ... 79installation using this design model would place a single transit VLAN between the switches. Such a design would still avoid a Layer 2 loop while maintaining a through switch connection. Designers should ... across geographically removed locations.Copyright ©2000 SYBEX , Inc., Alameda, CAwww.sybex.com90 Chapter 2Network Design Technologies9. Which of the following are considered WAN design issues?A....