commands, 31 fast switching, 185-187 configuring using VLAN database, 29 configuring and managing switching VTP domain, configuring, 49 paths, 192 VTP modes, 50 disadvantages of, 186 VTP password, setting, 51 optimum switching, 187 VTP pruning, 52 steps, 184 IOS IP server load balancing, 397 interrupt process switching (CEF), IP addresses configuring/managing switching assigning on two-node frame relay paths, 193 network, 310 Inter-Switch Link (see ISL) configuration for frame relay network of intrusion detection system (IDS), using with more than two nodes, 311 SPAN, 241 displaying as names in PIX firewall, 371 Index IP addresses (continued) IP SLB, configuring, 398 e-commerce web site, 482 IP subnet allocation, 494-498 failover, for PIX firewall interfaces, 380 divide-by-half method, 496 global PAT, configuring outside PIX reverse binary method, 497 interface as, 384 sequential method, 494 grouping in object group, 374 IP TOS field, 422-425 HSRP on Ethernet network, 164 ip_input process, 183 load balancing using source or destination CPU utilization, showing, 191 address, 58 performance penalties in process mapping to DLCIs, 312 switching, 184 in frame-relay networks, 302 ISDN (Integrated Services Digital mapping to VCs when using Network), 259 subinterfaces, 315 ISL (Inter-Switch Link), 34 primary and secondary, CSM server 802.1Q protocol VS., 35 VLAN, 402 adding VLAN information to frame sent referenced by multicast packets, 103 over a trunk, 35 tunnels, 153 deciding when to use, 36 ip cef command, 193 trunk configuration, CatOS switches, 40 ip load-sharing per-packet command, 193 isolating the problem, 519 IP networks IXC (interexchange carrier), 260 designing, 484-505 allocating IP address space, 491-494 allocating IP subnets, 494-498 CIDR, 490 Janitor Principle (in troubleshooting), 520 IP subnetting made easy, 498-505 Japanese J-carrier hierarchy, 260 public VS. private IP space, 484-487 J-carrier hierarchy, 260 VLSM, 487-489 layout worksheets, 466 ip ospf priority command, 123 Kbps, bandwidth in (EIGRP),