The shop I used to work at is having some TCP/IP problems with specific terminals. Today, they noticed that some terminals show up in the NETSTAT GATE query.

netstat gate

VM TCP/IP Netstat Level 430



Known gateways:



NetAddress      FirstHop        Flgs PktSz Subnet Mask   Subnet Value  Link

---------- -------- ---- ----- ----------- ------------ ------

Default         167.93.1.1      UGS  1492  <none>                      ETH1

10.22.70.15     167.93.1.4      UGHC 1492  HOST                        ETH1

10.22.70.35     167.93.1.4      UGHC 1492  HOST                        ETH1

10.22.70.39     167.93.1.4      UGHC 1492  HOST                        ETH1

10.22.70.40     167.93.1.4      UGHC 1492  HOST                        ETH1

10.22.70.42     167.93.1.4      UGHC 1492  HOST                        ETH1

10.22.70.46     167.93.1.4      UGHC 1492  HOST                        ETH1

10.22.70.50     167.93.1.4      UGHC 1492  HOST                        ETH1

10.22.70.58     167.93.1.4      UGHC 1492  HOST                        ETH1

10.22.70.62     167.93.1.4      UGHC 1492  HOST                        ETH1

10.22.70.75     167.93.1.4      UGHC 1492  HOST                        ETH1

10.22.70.77     167.93.1.4      UGHC 1492  HOST                        ETH1

10.22.70.78     167.93.1.4      UGHC 1492  HOST                        ETH1

10.22.70.79     167.93.1.4      UGHC 1492  HOST                        ETH1

10.22.70.80     167.93.1.4      UGHC 1492  HOST                        ETH1

10.22.120.63    167.93.1.4      UGHC 1492  HOST                        ETH1

10.46.20.52     167.93.1.4      UGHC 1492  HOST                        ETH1

10.46.20.53     167.93.1.4      UGHC 1492  HOST                        ETH1

10.76.10.21     167.93.1.4      UGHC 1492  HOST                        ETH1

10.76.10.23     167.93.1.4      UGHC 1492  HOST                        ETH1

10.76.10.26     167.93.1.4      UGHC 1492  HOST                        ETH1

15.235.147.254  167.93.1.4      UGHC 1492  HOST                        ETH1

24.73.225.142   167.93.1.4      UGHC 1492  HOST                        ETH1

67.8.251.163    167.93.1.4      UGHC 1492  HOST                        ETH1

67.8.255.102    167.93.1.4      UGHC 1492  HOST                        ETH1

70.118.100.210  167.93.1.4      UGHC 1492  HOST                        ETH1

70.119.123.197  167.93.1.4      UGHC 1492  HOST                        ETH1

71.16.169.34    167.93.1.4      UGHC 1492  HOST                        ETH1

72.146.113.252  167.93.1.4      UGHC 1492  HOST                        ETH1

72.146.114.125  167.93.1.4      UGHC 1492  HOST                        ETH1

72.189.177.225  167.93.1.4      UGHC 1492  HOST                        ETH1

72.242.39.74    167.93.1.4      UGHC 1492  HOST                        ETH1

74.226.226.252  167.93.1.4      UGHC 1492  HOST                        ETH1

74.247.219.5    167.93.1.4      UGHC 1492  HOST                        ETH1

97.101.9.217    167.93.1.4      UGHC 1492  HOST                        ETH1

164.51.40.254   167.93.1.4      UGHC 1492  HOST                        ETH1

167.93.0.0      <direct>        US   1492  0.0.255.0     0.0.1.0       ETH1

167.93.0.0      <direct>        S    1492  0.0.255.0     0.0.240.0
LINUX1V
169.139.176.84  167.93.1.4      UGHC 1492  HOST                        ETH1

170.216.4.1     167.93.1.4      UGHC 1492  HOST                        ETH1

192.168.189.74  167.93.1.4      UGHC 1492  HOST                        ETH1

192.168.189.76  167.93.1.4      UGHC 1492  HOST                        ETH1

192.168.189.79  167.93.1.4      UGHC 1492  HOST                        ETH1

192.168.190.20  167.93.1.4      UGHC 1492  HOST                        ETH1

199.242.100.25  167.93.1.4      UGHC 1492  HOST                        ETH1

209.168.150.74  167.93.1.4      UGHC 1492  HOST                        ETH1

219.241.105.4   167.93.1.4      UGHC 1492  HOST                        ETH1

Ready; T=0.02/0.03 15:09:02
netstat arp all

VM TCP/IP Netstat Level 430



Querying ARP cache for address *

Link ETH1            : ETHERNET: 00000C07AC00 IP: 167.93.1.1

Link ETH1            : ETHERNET: 001A6D7C97F4 IP: 167.93.1.4

Link ETH1            : ETHERNET: 00106F030EA0 IP: 167.93.1.65

Link ETH1            : ETHERNET: 000F35220700 IP: 167.93.1.251

Link ETH1            : ETHERNET: 000F35A5B780 IP: 167.93.1.253

Ready; T=0.01/0.01 15:18:49

Following is their CONFIG TCPIP file:
ACBPOOLSIZE 1200
ADDRESSTRANSLATIONPOOLSIZE 1500
CCBPOOLSIZE 150
DATABUFFERPOOLSIZE 400 8192
ENVELOPEPOOLSIZE 750
IPROUTEPOOLSIZE 600
LARGEENVELOPEPOOLSIZE 50 8192
RCBPOOLSIZE 256
SCBPOOLSIZE 256
SKCBPOOLSIZE 256
SMALLDATABUFFERPOOLSIZE 1800
TCBPOOLSIZE 1200
TINYDATABUFFERPOOLSIZE 60
UCBPOOLSIZE 100
; ----------------------------------------------------------------------
; Monitorrecords statement
;
; Use the MONITORRECORDS statement to select the monitor data records
; ======================================================================
; that are produced by TCPIP, if any.
; ----------------------------------------------------------------------
MONITORRECORDS
; ----------------------------------------------------------------------
; Tracing Statements
;
; Define tracing statements below, to log events for diagnostic
; purposes. Tracing statements defined within this file will be
; enabled during TCPIP server initialization.
;
; Note: For most situations that require tracing, use of the OBEYFILE
; command to dynamically enable and disable tracing may be more
; advantageous than defining trace statements within this file.
;
; NOTRACE disables all TCP/IP tracing. For detailed information about
; tracing, see the description of the TRACE statement in the
; "IBM TCP/IP for VM Planning and Customization" manual.
; ----------------------------------------------------------------------
NOTRACE ALL
; TRACE MOST
; LESSTRACE ALL
; MORETRACE MOST
; SCREEN
; NOSCREEN
; FILE TCPIP PROB0001 A
; ----------------------------------------------------------------------
; Control trace and console file timestamps.
; ----------------------------------------------------------------------
TIMESTAMP PREFIX
; ----------------------------------------------------------------------
; Define user IDs to receive messages when serious errors occur.
; ----------------------------------------------------------------------
INFORM
OPERATOR TCPMAINT xxxxxxx MAINT
ENDINFORM
; ----------------------------------------------------------------------
; Define user IDs that are allowed to issue OBEYFILE and other
; restricted commands.
; ----------------------------------------------------------------------
OBEY
; ======================================================================
OPERATOR TCPMAINT SNMPD SNMPQE ROUTED REXECD DHCPD xxxxxxxx
ENDOBEY
; ----------------------------------------------------------------------
; Keep-Alive Packet parameters
; ----------------------------------------------------------------------
KEEPALIVEOPTIONS
INTERVAL 900
SENDGARBAGE FALSE
ENDKEEPALIVEOPTIONS
; ----------------------------------------------------------------------
; SNMP-related Statements
;
; SYSCONTACT defines the contact person for this managed node, as well
; as how to contact this person. This definition supplies the value
; for the SNMP MIB variable, "sysContact".
;
; SYSLOCATION defines the physical location of this node. This
; definition supplies the value for the SNMP MIB variable,
; "sysLocation".
; ----------------------------------------------------------------------
SYSCONTACT

ENDSYSCONTACT
SYSLOCATION
Computer Room
ENDSYSLOCATION
; ======================================================================
; Server Virtual Machine-related Statements
; ======================================================================
; ----------------------------------------------------------------------
; Xautolog the server machines identified via the AUTOLOG statement.
; ----------------------------------------------------------------------
AUTOLOG
; BOOTPD   ; BootP Server
; DHCPD  ; DHCP Server
; GCS xxxx ; GCS AND RSCS
FTPSERVE xxxxxx ; FTP SERVER
; ======================================================================
; TFTPD  ; TFTPD (Trivial FTP) Server
; LPSERVE  ; LP Server
; NAMESRV  ; Domain Name Server
; NCSGLBD  ; NCS GLBD Server
; NCSLLBD  ; NCS LLBD Server
; PORTMAP  ; Portmap server
; REXECD  ; REXEC Server
; ROUTED  ; RouteD Server
; SMTP  ; SMTP Server
; SNMPD  ; SNMP VM Agent Virtual Machine
; SNMPQE  ; SNMP VM Client Virtual Machine
; UFTD  ; UFT Server
; VMNFS  ; NFS Server
ENDAUTOLOG
; ----------------------------------------------------------------------
; Reserve ports for specific server machines. Port values used are
; those defined in RFC 1060, "Assigned Numbers"
; ----------------------------------------------------------------------
PORT
20 TCP FTPSERVE NOAUTOLOG ; FTP Server
21 TCP FTPSERVE ; FTP Server
23 TCP INTCLIEN ; TELNET Server
25 TCP SMTP ; SMTP Server
53 TCP NAMESRV ; Domain Name Server
53 UDP NAMESRV ; Domain Name Server
; 67 UDP BOOTPD ; BootP Server
67 UDP DHCPD ; DHCP Server
69 UDP TFTPD ; TFTPD (Trivial FTP) Server
111 TCP PORTMAP ; Portmap Server
111 UDP PORTMAP ; Portmap Server
123 TCP INTCLIEN ; TELNET Server 3 Session Max
143 TCP IMAP ; IMAP Server
161 UDP SNMPD ; SNMP Agent
162 UDP SNMPQE ; SNMPQE Agent
512 TCP REXECD ; REXECD Server (REXEC)
514 TCP REXECD ; REXECD Server (RSH)
515 TCP LPSERVE ; LP Server
520 UDP ROUTED ; RouteD Server
608 TCP UFTD ; UFT Server
750 TCP VMKERB ; Kerberos Server
750 UDP VMKERB ; Kerberos Server
751 TCP ADMSERV ; Kerberos Database Server
751 UDP ADMSERV ; Kerberos Database Server
2049 UDP VMNFS ; NFS Server
2049 TCP VMNFS NOAUTOLOG ; NFS Server
5000 TCP INTCLIEN NOAUTOLOG ; TELNET Server non-vtam
5023 TCP INTCLIEN ; TELNET SERVER ALTERNATE VTAM
5200 TCP INTCLIEN NOAUTOLOG ; TELNET Server (Wide Terminal) vtam
5204 TCP INTCLIEN NOAUTOLOG ; TELNET Server (Long Terminal) vm
;
; (End of PORT reservations)
; ======================================================================
; TELNET Server Configuration Statements.
; (The TELNET Server is an "internal client" of the TCPIP server).
; ======================================================================
INTERNALCLIENTPARMS
PORT 23
; ======================================================================
PORT 123
PORT 5200
PORT 5204
PORT 5000
PORT 5023
INACTIVE 0
; TIMEMARK 600
; TIMEMARK 86400
TIMEMARK 120
SCANINTERFAL 120
CCSTERMNAME TCPIP
CONNECTEXIT VCSEXITT
NOTN3270E
ENDINTERNALCLIENTPARMS
; ======================================================================
; DEVICE and LINK statements
;
; Define the network interfaces used in your environment.
; (Sample device and link statements are included below).
; ======================================================================
DEVICE LCS1 LCS FCA0
LINK ETH1 ETHERNET 0 LCS1
DEVICE LINUX1 CTC FCB0
LINK LINUX1V CTC 0 LINUX1
; ======================================================================
; Routing Statements
; ======================================================================
;
; Define the routing information required for your environment via the
; HOME, GATEWAY, ARPAGE, BSDROUTINPARMS and PRIMARYINTERFACE statements.
; ======================================================================
;
; ----------------------------------------------------------------------
; Flush the ARP tables every nn minutes (a 5 minute interval is used
; below).
; ----------------------------------------------------------------------
ARPAGE 20
; ----------------------------------------------------------------------
; Define the internet (IP) address(es) for this VM host
; ----------------------------------------------------------------------
HOME
167.93.1.65 ETH1
167.93.240.1 LINUX1V
;
; (End of HOME address information)
; ----------------------------------------------------------------------
; Primary interface Definition
; ----------------------------------------------------------------------
PRIMARYINTERFACE ETH1
; ----------------------------------------------------------------------
; Routing Information
; ----------------------------------------------------------------------
; Note:
; * Routes defined via the GATEWAY statement are STATIC routes.
; * Routes defined via the BSDROUTINGPARMS statement are DYNAMIC
; routes.
; ----------------------------------------------------------------------
; Static Routing Information
; ----------------------------------------------------------------------
GATEWAY
; (IP) Network First Link Max. Packet Subnet Subnet
; Address Hop Name Size (MTU) Mask Value
; ----------- ------------ ------- ----------- ----------- --------
;
167.93 = ETH1 1492 0.0.255.0 0.0.1.0
167.93 = LINUX1V 1492 0.0.255.0 0.0.240.0
; ======================================================================
; ----------------------------------------------------------------------
; Define The DEFAULT route used for any network not explicitly routed
; via the previous entries.
; ----------------------------------------------------------------------
;
DEFAULTNET 167.93.1.1 ETH1 1492 0
;
; (End of GATEWAY Static Routing information)
; ----------------------------------------------------------------------
; Dynamic Routing Information
; ----------------------------------------------------------------------
; ----------------------------------------------------------------------
; TRANSLATE statements indicate relationships between internet
; addresses and network addresses. The TRANSLATE statement is most
; often used only in conjunction with HYPERchannel (HCH) and X.25
; network connections.
; ----------------------------------------------------------------------
TRANSLATE
; (IP) Network Network Network Address (see Link
; Address Type documentation for details) Name
; ======================================================================
; ------------ -------- ------------------------- ---------
; 193.6.0.1 HCH FF0000001040 HCH1
; 193.6.0.3 HCH FF0000001120 HCH1
;
; 192.1.1.6 X25ICA 95501234502 X25LA
;
; (End of Translate information)
;
; ----------------------------------------------------------------------
; Start all network interface devices used in this environment.
; ----------------------------------------------------------------------
START LCS1
; ======================================================================
; End of PROFILE TCPIP
; ======================================================================

--

Tony Thigpen

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