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Subject Index         


Numerics

 0x51 output, interpreting 4-3
 10Base2. See BNC
 10Base5. See AUI
10BaseT
 checking 1-10
 DIP switch position 1-8
 32-bit netmask table 3-11

A

 abort errors 1-3
 Address Resolution Protocol. See ARP
 administrative Telnet session 3-4
 Annex-D, monitoring keepalive packets 6-4
ARP requests
 checking AUI 1-11
 diagnosing Ethernet problems 3-9
AUI
 checking 1-11
 DIP switch position 1-8
 authentication problems 2-21

B

 backing up configuration 2-2, 2-16
 Basic Rate Interface. See BRI
BNC
 checking 1-11
 DIP switch position for 1-8
 booting from PROM 2-13
 BOOTP, port number 3-7
BRI
 CES state 5-4
 connections 5-3
 D channel status 5-3
 diagnosing problems 5-2
 directory number 5-4
 number plan 5-4
 number type 5-4
 port status 5-3
 SPID 5-4
 BRI port, displaying information 5-3

C

cables
 Frame Relay connections 6-2
 serial 1-5
 cause codes, ISDN connections 5-5, A-1
 CCP 4-10
 CES state, BRI connections 5-4
 checksum 2-6
 checksum error, netboot 2-8
 ChoiceNet, port number 3-7
 CIDR netmasks 3-11
 Cisco routers, compatibility with PortMaster 6-3
 classless interdomain routing netmasks 3-11
 collisions, Ethernet 1-12
ComOS
 corrupted 2-3
 determining the version 3-8
 downloading via FTP 2-9
 erasing 2-2, 2-5
 reloading 2-5, 2-16
 upgrading 2-4
 Compression Control Protocol 4-10
configuration
 backing up 2-2, 2-16
 corrupted 2-3, 2-8
 default settings 2-4
 erasing 2-2
 temporarily changing with ifconfig 3-12
 connection problems, Internet 3-21
 connectivity, verifying 3-9
console
 blank screen 2-19
 connecting to port 3-3
 output unreadable 2-20
 setting and resetting 3-5
contact information
 Europe, Middle East, and Africa xiv
 mailing lists xv
 North America, Latin America, and Asia Pacific xiv
 technical support xiv
 conventions in this guide xii
corrupted
 configuration 2-2
 frames 1-4
CSU/DSU
 frame errors 1-5
 Frame Relay 6-3, 6-10

D

 data link connection identifier list. See DLCI list
 daughterboard, Ethernet 1-14
 DB-25-to-RJ-45 connectors 1-5
D channel
 establishment on PRI connections 5-8
 status for PRI connections 5-5
 status on BRI connections 5-3
debugging
 PPP negotiation 4-2
 Stac LZS messages 4-10
 Decoder Ring 4-3
 default configuration settings 2-4
 deleting routes 3-20
 device errors 1-3
dial-in
 connections, Multichassis PPP 4-7
 users, abort errors 1-3
DIP switch
 Ethernet problems 1-8
 positions 1-8
 directory number, BRI connections 5-4
DLCI list
 determining 6-5
 diagnosing Frame Relay problems 6-5
 IP addresses 6-15
DNS
 filtering packets with ptrace 3-15
 port number 3-7
 problems with the server 3-15
 documentation, related ix
 document conventions xii
 Domain Name System. See DNS
 dotted decimal, converting to hexadecimal 3-11
 DRAM 2-3
 dring 4-3
 DSU. See CSU/DSU
 dynamic RAM 2-3

E

 encoding, changing on PRI connections 5-6
 endpoint discriminator, Multichassis PPP 4-6
 entering commands, inability to 2-19
 EPROM, diagnosing problem with 1-7
 erasing ComOS 2-5, 2-6
 erasing NVRAM 2-2, 2-4, 2-5, 2-6
errors
 abort 1-3
 device 1-3
 environmental causes 1-5
 frame 1-4
 port 1-2
Ethernet
 collision rates and errors 1-12
 daughterboard 1-14
 diagnosing network problems 1-12
 DIP switch 1-8
 Multichassis PPP 4-5
 Ethernet port, problems 1-7

F

 factory default configuration, resetting 2-4
 filters, tracing packets 3-12
 Flash RAM. See NVRAM
 forgotten password 2-20
 frame errors 1-4
 environmental causes 1-5
 modems and CSU/DSUs 1-5
 serial cables 1-5
 wiring 1-5
Frame Relay
 cables 6-2
 CSU/DSU 6-3
 DLCI list 6-5, 6-15
 inactive connection 6-8
 interfaces 6-8
 IPX 6-11
 LMI and Annex-D keepalive packets 6-4
 on IRX 6-3
 ping 6-10
 PortMaster 2R 6-3
 preliminary troubleshooting 6-2
 SAP table 6-12
 subinterfaces 6-12
 traceroute 6-10
 frames, corrupted 1-4
 framing, changing for PRI connections 5-6
FTP
 downloading new ComOS 2-9
 downloading pminstall 2-16

H

hardware
 frame errors 1-4
 problems 1-9
 hexadecimal, converting to dotted decimal 3-11
 hunt group, Multichassis PPP 4-8

I

 ICMP, traceroute 3-21
 IDLE port state 1-6
 idle timer 3-14
ifconfig
 temporarily changing configuration 3-12
 verifying configurations 3-10
 Integrated Services Digital Network. See ISDN
 Internet, inability to connect 3-21
 IP packets, tracing 3-14
IPX
 Ethernet 1-8
 filtering packets with ptrace 3-16
 Frame Relay 6-11
 IRX, Frame Relay connections 6-3
ISDN
 BRI connections 5-2
 BRI port information 5-3
 cause codes 5-5, A-1
 CES state, BRI connections 5-4
 D channel establishment, PRI connection 5-8
 D channel status, BRI connections 5-3
 D channel status, PRI connections 5-5
 directory number, BRI connections 5-4
 encoding, PRI connections 5-6
 framing, PRI connections 5-6
 line status 5-7
 number plan, BRI connections 5-4
 number type, BRI connections 5-4
 receive level 5-7
 receive patterns, PRI connections 5-8
 resetting PRI at switch 5-8
 send patterns, PRI connections 5-8
 SPID, BRI connections 5-4

K

 keepalive packets, monitoring 6-4

L

 LCP, packet formats B-3
LED
 PRI connections 5-7
 solid green 2-18
 line status, on PRI connections 5-7
 line testing 1-6
 listening socket 3-6
 LMI, monitoring keepalive packets 6-4
 Local Management Interface 6-3
 loopback, using to reset PRI at switch 5-8

M

 MAC address, diagnosing Ethernet port problems 1-7
 mailing lists, subscribing to xv
 media access control address 1-7
 modems, frame errors 1-5
 monitoring keepalive packets 6-4
Multichassis PPP
 diagnosing problems with 4-5
 dial-in problems 4-7
 displaying port use 4-7
 endpoint discriminator 4-6
 Ethernet segment 4-5
 physical connections 4-7
 port number 3-7
 routers 4-5
 virtual connections 4-7

N

 neighbors, Multichassis PPP 4-8
netbooting
 from PROM 2-13
 network connection 2-11
 preparation 2-7
 rarpd 2-11
 reasons to netboot 2-7
 TFTP 2-8
 troubleshooting 2-18
 without a network connection 2-13
 without rarpd 2-12
 netmask table 3-11
 network, protocol values B-1
 network handle 3-7
 network interface card, faulty 1-7
 network problems, diagnosing 1-12
 network statistics, diagnosing network problems 1-9
 NIC, faulty 1-7
 noise causing frame errors 1-6
 nonvolatile RAM. See NVRAM
 null modem cable, connecting to console port 3-3
 number plan, BRI connections 5-4
 number type, BRI connections 5-4
NVRAM
 description 2-2
 erasing 2-2, 2-4, 2-5, 2-6
 netbooting 2-8
 reformatting 2-3

O

 overloaded Ethernet 1-12

P

packet
 formats, PPP B-1
 information, displayed by ptrace 3-12
 size, and errors 1-4
 tracing 3-12
 panic watchdog timer 2-20
 passive hub, Ethernet 1-13
 password, forgotten 2-20
 physical connections, Multichassis PPP 4-7
 physical interface, PRI connections 5-5
ping
 command 3-9
 Ethernet network problems 1-9
 Frame Relay 6-3, 6-10
 tracing ping packets 3-18
 troubleshooting with 3-9
pmcommand
 number of concurrent sessions 3-8
 port number 3-7
pmconsole
 number of concurrent sessions 3-8
 port number 3-7
 pmd, port number 3-7
pminstall
 installing new ComOS 2-16
 number of concurrent sessions 3-8
 port number 3-7
 pmreadconf 3-8
 port errors 1-2
 PortMaster 2R, Frame Relay connections 6-3
 port numbers and services 3-7
ports
 BRI display information 5-3
 disabling 1-6
 displaying use in Multichassis PPP 4-7
 Ethernet port 1-7
 status 1-2
 port speeds 6-3
port states
 IDLE 1-6
 USERNAME 1-6
PPP
 debugging negotiation 4-2
 decoder ring (DRING) 4-3
 packet formats B-1
 See also Multichassis PPP
PRI
 D channel establishment 5-8
 D channel status 5-5
 encoding 5-6
 framing 5-6
 line status 5-7
 receive level 5-7
 receive patterns 5-8
 resetting connection at switch 5-8
 send patterns 5-8
 Primary Rate Interface. See PRI
PROM
 booting from 2-13
 commands 2-13
 version 2-13
ptrace
 disabling 3-13
 routing problems 3-19

R

 RADIUS, port number 3-7
 RADIUS accounting, port number 3-7
 rarpd, netbooting 2-11
 receive level, for PRI connection 5-7
 receive patterns, on PRI connection 5-8
 references x
 books xii
 related documentation ix
 reloading ComOS 2-5
 resets, network problems 1-9
 resetting the console 3-5
 resetting to factory default configuration 2-4
 RFCs x
RIP
 port number 3-7
 tracing packets 3-19
 routers, and Multichassis PPP 4-5
routes
 deleting 3-20
 static 3-20
 tracing 3-21
routing
 diagnosing problems with traceroute 3-21
 finding a particular route 3-22
 Frame Relay 6-3
 using ptrace to troubleshoot 3-19

S

 SAP, Frame Relay 6-12
 send patterns, PRI connections 5-8
 serial cables 1-5
 serial port, booting 2-13
 Service Advertising Protocol 6-12
 service profile identifier 5-4
 services, and port numbers 3-7
 setting the console 3-5
 shared memory error 2-20
 show commands, affected by ComOS erasure 2-3
 SNMP, port number 3-7
 software version, determining 3-8
 speed, port 6-3
 SPID, on BRI connections 5-4
 static routes 3-20
 subinterfaces 6-12
 subnet mask, ping problems 3-9
 support, technical xiv
 switching hub, Ethernet 1-13
 synchronous hardwired port, disabling 1-6
 syslog, port number 3-7

T

 TCP, tracing packets 3-16
 technical support xiv
Telnet
 administrative session 3-4
 filtering out your own traffic with ptrace 3-13
 problems 3-5
 resetting session 3-7
 telnet, port number 3-7
 terminal emulation mode 3-3
 termination causes C--1
TFTP
 netbooting without rarpd 2-12
 netbooting with rarpd 2-11
 setting up on a boot host 2-10
 tftpd daemon, booting from 2-13
 thicknet. See AUI
 thinnet. See BNC
 traceroute, Frame Relay 6-3, 6-10
tracing
 packets 3-12
 routes 3-21
 traffic, reducing 1-13
 Trivial File Transfer Protocol. See TFTP

U

UDP
 traceroute 3-21
 tracing packets 3-17
 uptime, displaying 3-8
 User Datagram Protocol. See UDP
 USERNAME port state 1-6

V

 verifying connectivity 3-9
 version, determining 3-8
 virtual connections, Multichassis PPP 4-7

W

 WAN port speeds 6-3
 wiring, frame errors 1-5


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