... Infrastructure 2 .5 Design GuideOL-1 156 5-0 1Chapter 6 Data Center Access Layer Design Layer 2 Loop-Free Access Layer ModelFigure 6-1 9 Loop-Free Inverted-U Access TopologyWith a loop-free inverted-U topology, ... MTU 150 0 bytes, BW 10000000 Kbit, DLY 10 usec, reliability 255 / 255 , txload 1/ 255 , rxload 1/ 255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Full-duplex, 10Gb/s input flow-control ... to_AGG2 MTU 150 0 bytes, BW 10000000 Kbit, DLY 10 usec, reliability 255 / 255 , txload 1/ 255 , rxload 1/ 255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) 6-3 2Cisco Data Center Infrastructure...