Traceroute, 235, Tcp status tcbaddr | Black Box LRA005A-R2 manual

ASYNC ROUTER AR-P, AR-5, AND SYNC ROUTER REFERENCE MANUAL

tcp rtt tcb_addr rtt

Replace the automatically computed round-trip time rtt parameter value in the TCP connection specified by tcb_addr.

tcb_addr—Enter the TCB address of the TCP connection for which you wish to redefine the round trip time.

rtt—Enter the new round trip time. The value is expressed in milliseconds.

tcp status [tcb_addr]

Display TCP-level information for TCP connections. Without arguments, all TCP connections are displayed with their TCB addresses.

tcb_addr—Enter the TCB address of a specific TCP connection to display a detailed report of its TCP status.

tcp window [size]

Display or set the default receive window size for new TCP connections. With no argument, the current receive window size is displayed.

size.—Set a default receive window size. This value is expressed in octets.

4.16 traceroute

Trace the route to a host

Syntax

traceroute [-wwait] [-mmax_ttl] [-qnqueries] host_addr

Description

This command displays the route that a packet takes to reach a specified host at address host_addr. The trace starts at the router and uses a series of UDP probe packets with increasing IP Time-To-Live (TTL) fields to determine the sequence of routers that must be traversed in order to reach the host.

Subcommands and parameters

-w—Set the maximum interval in seconds that traceroute waits for a response at each stage of the trace.

wait—The wait value in seconds. The default is 5 seconds.

-m—Set the maximum IP time-to-live (TTL) value that traceroute uses at each stage of the trace.

max_ttl.—The TTL value in seconds. The default is 30 seconds.

-q—Set the number of UDP probes to send at each stage of the trace.

nqueries—The default is 3 queries.

host_addr—The IP address of the host packets are attempting to reach. Use dotted-quad notation or the host name where DNS is available.

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Black Box LRA005A-R2, LRS002A-R2, LRA001A-R2 manual Traceroute, 235, Tcp status tcbaddr, Tcp window size

Contents

Async Router AR-P Async Router AR-5 Sync Router Page Federal Communications Commission Trademarks USER’S Guide Async Router AR-P, AR-5, and Sync Router USER’S Manual Contents Appendix B Line Use 120 General SpecificationsConnector Specifications Ieee 802.3 AUI, DB15 Connector RJ-11 Connector BASE-T, RJ-45 8-Pin ConnectorDB9 Connector Power Input Connector Applications IntroductionRouter Models Shared Router Features Prevents Unauthorized Network Access Example For switched-56 data service Async Router AR-5 LRA005A-R2 FeaturesSync Router LRS002A-R2 Features For digital data service Async Client Kit For Isdn serviceOperating Requirements Async Router AR-P, AR-5, and Sync Router USER’S Manual Inventory Connect Cables Async Router AR-P Connections Async Router AR-P Connections Async Router AR-P, AR-5, and Sync Router USER’S Manual Async Router AR-5 Connections Async Router AR-5 Connections Async Router AR-P, AR-5, and Sync Router USER’S Manual Sync Router Connections Sync Router Connections Async Router AR-P, AR-5, and Sync Router USER’S Manual Connect Host Five Methods to Configure the Router Software If you have a previously configured boot diskette If you have a previously configured boot diskette Host Connection Methods Select Host Connection Method This configuration requires the TCP/IP protocol on your LAN Procedure PC Using RouterVu Utility This configuration requires NetWare IPX protocol on your LAN Snap PC Using Serial Terminal Utility Async Router AR-P, AR-5, and Sync Router USER’S Manual Serial Terminal Async Router AR-P, AR-5, and Sync Router USER’S Manual Installation Summary Install SoftwareInstallation Procedure Async Router AR-P, AR-5, and Sync Router USER’S Manual Async Router AR-P, Async Router AR-5 Installation Examples Define LAN parameters for local Router Define LAN Parameters Define modem0 parameters Define Modem ParametersDefine modem1 if present Define modem3 if present Define modem4 if present Define client access shift for this Router Define clients Sync Router Define Sync/Modem Parameters Parameters Name and Password Syntaxes LAN Parameters Bits IP Subnet Mask Default Values by Class If you want to use a SecurID server Domain Name Suffix TypesIf you want to use a Radius server Async Router AR-P, AR-5, and Sync Router USER’S Manual Sync Router Parameters Public server IP address Do you want the firewall described in the documentation?Do you allow Telnet to the server n Client access shift-Refer to Section Configure Hosts on TCP/IP Network Configure and TestRouterlPaddress Routername Route add remotelPaddresslocalRouterIP addressl Test TCP/lP Networks Using Ping Ping -sIPaddressofremoteRouter Refer to l Enter syslog on Ping IPaddressofaremotenodePing -sIP address of localRouter Round trip time AASYNC Router AR-P, AR-5, and Sync Router USER’S Manual IPX RouterVu tests Test IPX Networks Using RouterVu Routervu -plocalRoutername Look for called out or serving call Routervu localRouternameLook for Ipxcp Opened Routervu -p servername Dialup LAN-to-LAN Appendix a Networking Examples Hamburg Passwd file paris / all2paris Name hamburg Paris HOME/BRANCH Office Designation Home Branch LAN-to-LAN Async Router Synchronous LAN-to-LAN Figure A-5. Modem as a Backup for a Synchronous Connection Routing table entries are Sync Router a Appendix B Line Use How to Monitor Line Use Dialup modemX volume off low medium high Dialup interface quota mins How to Limit Line Use Typical status display is List of predefined IP filters Filter add $NOLOOP -s 127.0.0.0/8 -t deny Filter add $OUTOK -f outbound -t allowFilter add $TCPOK -p tcpestab -t allow Filter add $FAKE25 -i iface -p tcpnew -s 25 -t deny How to disable the NLO filters How to enable all RLO filtersSimple IP filter example #These filters will allow mail to and from the host Long IP filter example After filtering, reestablish dialup time quotas Appendix C Troubleshooting Async Router AR-P Leds LED descriptions Async Router AR-5 Leds Sync Router Leds Router Commands For TCP/IP Networks only Examples Syntax Routervu c 1995 Rockwell Network Systems Building list Initial Configuration/Start-up Problems Async Router AR-P, AR-5, and Sync Router USER’S Manual Router Cannot START-LEDS Stay LIT Password -pnewpassword Following message displays during configuration AT Return Pause + + + pause Operating Problems Ping -sipaddressof localnode Ping ipaddressoflocalnodeApproach Ping ipaddress of remoteRouter Network Protocol Phase open for Async Router AR-P, AR-5, and Sync Router USER’S Manual Possible cause-CHAP failure 100Time interfaceDialing from address to address protocol 101 102 103 Client Problems 104 Returning Your Router for Repair 105 ConfigurationAppendix D Interoperability Radius Servers 106 SecurID Servers Bin Put sdconf.rec Quit Config modify107 Cd /var/ace 108 Cisco Router Interoperability 109 Table D-1. Cisco Command Language Modes and Their Uses Ethernet Connection Cisco to Router 110 Synchronous line Cisco to Router 111Dialup connection Cisco to Router Figure D-2. Dialup Connection Cicso to Router 112 Dialing Out Cisco to Modem to Router 113 \T-meansinsert the telephone number here 114Cisco dialer script for Router This information only applies to the Sync Router IPX Synchronous RoutersTCP/lP Synchronous Routers 115 Local network options Interoperability with CSU/DSUs116 Black BOX CSU/DSU MS, Eazy CSU/DSU MS, Adtran DSU III AR DTE options 117Adtran ISU Network options 3 CM-1056E, Larse S5600, RACAL-MILGO4556 118Motorola TA220/TA220K Other CSU/DSUS 119 120 Appendix E Glossary 121 IPXWAN-internet packet exchange protocol for WANs 122 123 124 125 126 127 Appendix F Installation ReferenceRoot and root passwords Router Parameters Pick one only Default route through Eth0 sync0 modem0128 Router Ethernet eth0 port Client Authentication Method choose one method onlyEthernet Parameters 129 Remote Site via a leased line Sync Parameters130 Sync0 port For Sync Router only If the Remote System is a Router If this modem is to be used for remote client accessModem Parameters 131 132 133 134 Client Parameters PlannerFor the Router For each Client Link Password Example Router Link Passwords Example/Worksheet135 Remote Sites Site0 Link Passwords Worksheet Your Site136 On Router 137 Reference Guide 138 Contents 140 141 Quick ReferenceConventions Used in This Chapter Interface Addresses 142 Generic Commands 143 Update iface timeout mins Update iface now Update iface init on off144 145 146 TCP/IP-only Commands Netstat -a -s -r -m 147Rip accept routeraddr Route RouterVu Commands148 Rip duplicate on off rip merge on off 149 List to screen all available Routers 150 151 General InfoAbout TCP/IP and IPX modes CONFIG.NET file supporting TCP/IP and IPX routing CONFIG.NET Example152 153 154 155 Generic Commands Description Access shiftSyntax Access shift shiftstart shiftstop Mtwrfsu 156 Syntax Asystat iface iface See also client access client add client modifyAsystat 157 Asystat modem0 158 Subcommands and parameters Authenticate159 160 ClientClient add -e clientname 161 162 ConfigConfig firewall iface Date Specifies seconds and is optional DefaultmodeConfig reset modify Ipx Tcpip 163 Dialup Syntax Line mode dialer commands164 Iface modem0-4, sync0 165Dialup iface demandbackoff phone# secs Modem0-4, sync0 Dialup iface backup add phone#Disconnecting the backup number on the next dialup 166 Dialup iface inactive Dialup iface loginname name167 Dialup iface idletime secs Dialup iface logprompt on off Dialup iface loginpwd passwordDialup iface reset 168 Dialup iface warning mins Dialup iface volume off low medium high169 Dialup iface script file History Help170 Logout Hostname171 172 MemoryMonitor Passwd 173 PerformancePerformance 174 18 pppIpcp negotiation 175 Iface Physical interface 176Allow on off Pap 177Ppp iface lcp local remote accm bitmap allow on off Chap Ppp iface lcp local remote magic On off value allow on off Ppp iface lcp local remote default178 Ppp iface lcp local remote acfc On off allow on off 179 Ppp iface lcp timeout seconds 180 181 19 psSyntax Description 182 RebootReboot Start/stop Trace 22 tip183 Limit traces to packets received on the interface 24 tux184 Eth0, modem0-4, sync0 Update iface now Update185 27 who Version186 187 IPX-only commands 188 Example IPX addresses IPX AddressesReserved Destination Socket Numbers 189 190 IPX Server TypesTable B-2. Typical IPX Server Types Table B-3. IPX Packet Types IPX Packet TypesFilter 191 Filter add name 192Iface-eth0, modem0-4, sync0 Filter flush Filter enable disable193 Filter delete name Filter status IfconfigIfconfig iface speed bps 194 Number Ipx priority Ipx routing enable disable ipx spxIpx 195 196 Netstat Ping Subcommands and parameters Ping servername197 Ping -sservername routername network.nodeaddress count Ripfilter198 Ping -sservername routername network.nodeaddress Ripfilter add name 199Allow deny nodial 200 201 Route Iface-modem0-4, sync0 202Iface-eth0 Route -f 203 Route delete Route delete 2F 204Route add 12 modem0 Route add 2F eth0/II 02CF1F302018 6 205 13 sap Sap delete name Sap broadcast iface /frametype enable disable206 Sap add name iface /frametype servertype serveraddr hops Sap -f 207 208 Sapfilter 209 Sapfilter flush Sapfilter enable disable210 Sapfilter delete name Filter Ripfilter Spoof211 Sapfilter status 212 Syntax Tcp/ip tcp/ipcommand param DescriptionRouter is in IPX mode 16 tcp/ip 213 TCP/IP-only Commands 214 ArpArp Arp -f 215 Domain suffix domainsuffix Domain216 Domain listservers Ssrcaddr/bits srcport 217Syslog trap both -i iface Inbound outbound P, -l, -i, or -f Ddestaddr/bits destport 218Syslog trap both Iface-eth0, modem0-4, sync0 Inbound outbound 219Allow deny nodial unreach Filter try srcaddr -sport destaddr -dport -pproto Icmp220 Filter spoof iface allow deny syslog trap 221 Rip active passive off 222Metric hops Mtu size 223 SubcommandsIp address hostaddr 224 Syntax Ipx ipxcommand param Description 225 Subcommands and protocols Ping destaddr Rip add hostaddr seconds flags 11 rip226 Rip netmask list Rip merge on off 227Rip delete hostaddr Rip duplicate on off Rip netmask delete netaddr/netbits 228Route lookup destaddr Route addprivate destaddr/bits iface routeraddr metric Route add default iface routeraddr metric229 Route add destaddr/bits iface routeraddr metric Snmp set community communityname -p ro rw -t on off Snmp230 Route delete destaddr/bits iface Snmp set contact contactstring 231Snmp delete community communityname Snmp set authtrap on off 232 SyslogSyslog on off Syslog message messagestring 233Syslog address hostaddr Syslog class classvalue Syslog status Tcp reset tcbaddr15 tcp 234 Tcp window size Traceroute235 Tcp status tcbaddr 236 17 udpUdp status 237 Appendix a System Messages Iface Chap peer says salutationstring Syslog Messages238 Chap Group Iface dialer script failed failuremessage 239Iface Dialing for destinationaddr Iface line speed modemlinespeed 240 Iface V.25bis call failed reasonreturned 241 242 RIP Group 243IPX Group PAP Group ARP Group Console Messages244 Snmp Group 245 Iproute Group Ifconfig Group246 Ipfilter Group 247 Ping Group 248PPP Group System Group 249 TCP Group 250TIP Group Trace Group 251Traceroute Group Appendix B Dialing Scripts Standard Dialing Procedure252 253 Dialer Script Procedure Wait msec string Wait msec string speed Sample Dialer Script254 Wait 255 Logging into Remote Systems Using Dialer Scripts Atdt 1-xxx-yyy-zzzzRETURN 256Dialup modemX inactive tip modemX AT Return 257 258 Modem Control SignalsDialup iface loginpwd loginpwd Control the Modem Speaker’s Volume 259 260 New Features, ReleaseAppendix C Release 4.2 Notes Use Routers to 261 Sync Router Only For All Routers Outstanding Issues, ReleaseSpecial Outstanding Issues Generic Issues 263 TCP/IP Mode Issues 264 NetWare Dialup Considerations, Release RouterVu IssuesUsing NetWare Over Modem Lines Reconfigure Your Local VLM-Based Clients 266 How to Upgrade to ReleaseMethod 2 If you do use custom dialer scripts 267 If you have the boot diskette and prefer to use a DOS hostFtp nhipaddr Use the Router’s IP address 268 How to Make Previous Releases Compatible with Release 269 Using Analog Leased Lines? 270 271 Connecting to an Internet Service Provider ISP?Intended IP addresses at your site 272 Ppp iface pap user username password for PAP config save 273 Ppp iface chap user username password For ChapSample dialer script 274 Copyright 1996. Black Box Corporation. All rights reserved