316 default queue too large, 458 process ID (PID), 104 default queue too small, 458 process switching, 181, 183 incorrect configuration, 452 benefits of, 184 nonpriority queue too large, 457 configuring and managing switching nonpriority queue too small, 456 paths, 190-192 priority queue too large, 455 performance penalties from, 184 priority queue too small, 454 steps, 183 in different flavors of QoS, 426 FIFO, 443 processes (OSPF), 104 processing delay, 262 Index redistribution, 104, 130-149 into EIGRP, 135-137 R bus (results bus), 207 rack space, planning for chassis switch limiting using route tags and route installation, 16 maps, 142-146 real-world example, 146-149 RADIUS, 354 differences from TACACS+, 354 loops, 140-142 mutual, 139 server groups into OSPF, 137-139 custom, 356 into RIP, 132-135 default, 355 sources of routes that can be radius-server host command, 355 redistributed, 131 RAI (remote alarm indication), 278, 285 redundancy ratios, subnet octet, 501 power supplies for modular switches, 16 RBOC (Regional Bell Operating on routers, 163 Company), 264-266 real command, 400, 402 using routing instead of switching for, 87 real servers, 398 reference bandwidth, changing in OSPF, 121 reflexive access lists, 338-342 configuring in IOS SLB, 399 configuring, 340-342 limitations, 339 configuring, 402 detailed status information, 409 temporary permit statements, 339 putting into/out of service in server Regional Bell Operating Company (RBOC), 264-266 farm, 403 reliability metric, EIGRP, 136 removing from service, 408 reliability, increasing, 528 residing in server VLAN, 401 reload cancel command, 514 showing status of, 408 reload command, 514 Real-Time Protocol (see RTP) remote access VPNs, 150 receive interrupt, 183 remote alarm indication (RAI), 278, 285 receive load (rxload), 441 remote line loopback, 281 receiving line (RX line), half-and full-duplex links, 21 remote monitoring (RMON) probe, 219 remote payload loopback, 281 receptacles for AC power feeds, 17 Remote Switched Port Analyzer (see RSPAN) recu