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Cisco 11.0 BT Release Notes

Release note and update to configuration guides and command references.
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Doc. No.
78-3610-09
Cisco IOS Release 11.0 BT Release Note and
Update to Configuration Guides and Command
References
January 15, 1999
This document supplements the Cisco IOS Release 11.0 documentation set with new and changed
commands that support Cisco IOS Release 11.0(10)BT and later. Note that Cisco IOS Release
11.0(10)BT is the initial release of Cisco IOS Release 11.0 BT. No prior versions of Cisco IOS
Release 11.0 BT exist. The TN3270 server function is supported on a Channel Interface Processor
card in a Cisco 7000 series or Cisco 7500 series router. The following Cisco IOS releases are
covered by this release note publication:
Cisco IOS 11.0(10)BT
Cisco IOS 11.0(11)BT
Cisco IOS 11.0(12)BT
Cisco IOS 11.0(13a)BT
Note
Cisco IOS 11.0(14)BT, Cisco IOS 11.0(14a)BT1
Note
implemented and the release was renumbered and released as 11.0(14a)BT1.
Corporate Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
Copyright © 1998
Cisco Systems, Inc.
All rights reserved.
Cisco IOS Release 11.0(13)BT was renumbered and released as 11.0(13a)BT.)
Shipment of Cisco IOS Release 11.0(14)BT was halted due to CSCdj05366. A fix was
1

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   Summary of Contents for Cisco 11.0 BT

  • Page 1

    Cisco IOS Release 11.0(10)BT and later. Note that Cisco IOS Release 11.0(10)BT is the initial release of Cisco IOS Release 11.0 BT. No prior versions of Cisco IOS Release 11.0 BT exist. The TN3270 server function is supported on a Channel Interface Processor card in a Cisco 7000 series or Cisco 7500 series router.

  • Page 2

    Cisco 7500 series router. The TN3270 server is different from the TN3270 terminal emulation access feature described in the “Configuring TN3270” chapter of the Access and Communication Servers Configuration Guide. Cisco IOS Release 11.0 BT Release Note and Update to Configuration Guides and Command References...

  • Page 3: Platform Support

    CIP Boot Image Requirements The CIP boot image is bundled in the Cisco IOS Release 11.0 BT image. You must have the image that supports your CIP or your CIP2 hardware. You cannot run a CIP and a CIP2 card in the same router.

  • Page 4: Microcode Software

    The information that follows is an update to the Router Products Configuration Guide, Chapters 23 to 33. Add the TN3270 information as a standalone chapter following page 33-22. Cisco IOS Release 11.0 BT Release Note and Update to Configuration Guides and Command References Minimum Required...

  • Page 5

    • SNA Functions From the perspective of an SNA 3270 host connected to the CIP, the TN3270 server is an SNA device that supports multiple physical units (PUs), with each PU supporting up to 255 logical units (LUs). The LU can be Type 1, 2, or 3. The SNA host is unaware of the existence of the TCP/IP extension on the implementation of these LUs.

  • Page 6

    LU group to find an LU template. The model type is a four character string; the model number is a two or three character string. The server will accept the following formats of terminal type string from the client: •...

  • Page 7

    LU names from the ACTLUs. For direct PUs, a “seed” name can be configured on the PU. The TN3270 server uses this name in conjunction with the LOCADDRS to generate names for the LUs. It is best to use the same naming convention as the host, if possible.

  • Page 8

    171.69.176.43 is allocated an LU from that PU and is routed to that host. Note that by using the DLUR function, all the LUs in the server can be defined and owned by a controlling VTAM. When a client requests an application residing on a different VTAM host, the controlling VTAM will issue the request to the target host which will send a BIND directly to the client.

  • Page 9

    NMVT with a “Reply Product Set ID” control vector. After the TN3270 server sends a positive response to the ACTPU, it will wait for VTAM to send ACTLUs for all specifically defined LUs. In the sample configuration shown in Figure 2, ACTLUs will be sent for TN3X1100 and TN3X1101.

  • Page 10

    TN3270 Configuration Modes The TN3270 configuration modes and router command prompts are described in the following sections and displayed in Figure 3. The TN3270 server can be configured only on Port 2, the internal LAN port, of a CIP card.

  • Page 11

    TN3270 Server Configuration Mode From interface configuration mode, tn3270-server command puts you in TN3270 server configuration mode. Prompt: tn3270-server> DLUR Configuration Mode From TN3270 server configuration mode, the dlur command puts you in DLUR configuration mode. Prompt: tn3270-dlur> Prompt: tn3270-server>...

  • Page 12

    PU Configuration Mode There are two paths to PU configuration mode: from the TN3270 server configuration mode, or from the DLUR configuration mode. In either mode, the pu command puts you in PU configuration mode. From TN3270 configuration mode, the pu command to create a new PU is:...

  • Page 13

    The following sections describe how to configure TN3270 server support on the CIP. Not all tasks are required. Refer to “TN3270 Configuration Example” for configuration examples. The TN3270 server is configured on an internal LAN interface in the CIP, which is port 2 of Note a CIP.

  • Page 14

    TN3270 Configuration Task List Configure TN3270 Server This task is required. To establish a TN3270 server on the internal LAN interface on the CIP, perform the following tasks beginning in global configuration mode: Task Select the channel attach internal LAN interface and enter interface configuration mode.

  • Page 15

    Configure DLUR This task is required when configuring DLUR connected hosts. To configure DLUR parameters for the TN3270 server, perform the following tasks beginning in TN3270 configuration mode. Task Create a DLUR function in the TN3270 server and enter DLUR configuration mode.

  • Page 16

    TN3270 configuration mode. Monitor the TN3270 Server The following table lists some of the monitoring tasks specific to the TN3270 server. To display the full list of show commands, enter show ? at the EXEC prompt. Use the following commands in privileged EXEC mode: Task Display the current server configuration parameters...

  • Page 17

    ! specify the VRN name of the network containing this lsap router(tn3270-dlur-lsap)#vrn syd.lan4 ! create a link from this lsap router(tn3270-dlur-lsap)#link hosta rmac 4100.cafe.0001 rsap 8 router(tn3270-dlur-lsap)#link hostb rmac 4000.7470.0009 rsap 4 router(tn3270-dlur-lsap)#exit router(tn3270-dlur)#exit TN3270 Configuration Task List Configuring TN3270 Server on the Channel Interface Processor...

  • Page 18

    SYD.TN3020 SYD.VMG lsap token-adapter 1 pu PU0 pu PU1 pu PU2 Configuring TN3270 Server on the Channel Interface Processor 05D00001 10.10.20.5 token-adapter 1 24 rmac 4100.cafe.0001 lu-seed PU3### 05D00002 10.10.20.5 token-adapter 1 28 rmac 4100.cafe.0001 lu-seed PU4### vrn SYD.LAN4 link HOSTB rmac 4000.7470.0009...

  • Page 19: Table Of Contents

    This update describes the commands to configure TN3270 support on the Channel Interface Processor (CIP). For TN3270 configuration tasks and examples, refer to the “Configuring TN3270 Server on the Channel Interface Processor” update chapter of this Release Note. The following commands are documented in this update chapter: •...

  • Page 20: Dlur

    Cisco IOS software. Fully qualified name of the primary choice for the dependent LU server (DLUS). This is the name of an LU, usually a CP, in an APPN host. The fq-dlusname value can be repeated and shared across servers.

  • Page 21: Dlus-backup

    NETID and is shared between entities in the same logical network. Example The following command specifies SYD.VMX as the backup DLUS: dlus-backup SYD.VMX Fully qualified name of the backup DLUS for the DLUR. dlus-backup TN3270 Server Commands...

  • Page 22: Generic-pool

    All LUs in the generic pool are, by definition, DDDLU capable. Values entered for generic-pool in TN3270 configuration mode apply to all PUs for that TN3270 server but can be changed in PU configuration mode. In PU configuration mode, a no generic-pool command will restore the generic-pool value entered in TN3270 command mode.

  • Page 23

    Similarly, if generic-pool permit is specified, any inactive LUs are immediately available for dynamic connections. Moreover, any active LUs that were dynamic previously (before generic-pool deny was issued) return to being dynamic. Example The following command permits generic LU pool use: generic-pool permit TN3270 Server Commands...

  • Page 24: Idle-time

    Usage Guidelines The idle-time command can be entered in either TN3270 configuration mode or PU configuration mode. A value entered in TN3270 mode applies to all PUs for that TN3270 server, except as overridden by values entered in PU configuration mode.

  • Page 25: Keepalive

    The keepalive command can be entered in either TN3270 configuration mode or PU configuration mode. A value entered in TN3270 mode applies to all PUs for that TN3270 server, except as overridden by values entered in PU configuration mode. A no keepalive command entered in PU configuration mode will restore the keepalive value entered in TN3270 command mode.

  • Page 26: Link

    For a link via a channel on this CIP, the TN3270 server and the hosts should open different adapters in the same internal LAN. Using different adapters avoids any contention for SAP numbers, and is also necessary if you configure duplicate MAC addresses for fallback CSNA access to the host.

  • Page 27

    The following example shows different adapter numbers configured on the same internal LAN to avoid SAP contention. The host uses SAP 4 on token ring adapter 0: lan tokenring 0 adapter 0 4000.0000.0001 adapter 1 4000.0000.0002 tn3270-server dlur ... lsap token-adapter 1 link HOST rmac 4000.0000.0001 rsap 4 link TN3270 Server Commands...

  • Page 28: Lsap

    The no lsap command hierarchically deletes any links using it. Any sessions using those links are lost. TN3270 Server Commands Internal adapter type on the CIP card, which corresponds to the value specified in the lan internal LAN configuration command.

  • Page 29

    Example The following command defines an adapter type, an adapter number, and a local SAP: lsap token 0 B0 Related Commands adapter TN3270 Server Commands...

  • Page 30: Maximum-lus

    Use the maximum-lus TN3270 configuration command to limit the number of LU control blocks that will be allocated for TN3270 server use. Use the no form of this command to restore the default value. maximum-lus number no maximum-lus...

  • Page 31: Preferred-nnserver

    If refused, it will try the next one, and so on. If a preferred server is specified, then DLUR will wait a short time to allow a link to the preferred server to materialize. If the preferred server is not found in that time, any suitable node can be used, as above.

  • Page 32: Pu (direct)

    802.2 clients of that adapter, in the router or in a host, should be allocated the same SAP. Other direct links from TN3270 server direct PUs may use the same value on the internal adapter as long as the remote MAC or SAP is different.

  • Page 33

    CIP internal LAN interface are used in the pu command. For a link via a channel on this CIP, the TN3270 server and the hosts should open different adapters in the same internal LAN. Using different adapters avoids any contention for SAP numbers, and is also necessary if you configure duplicate MAC addresses for fallback CSNA access to the host.

  • Page 34

    (direct) Related Commands adapter TN3270 Server Commands...

  • Page 35: Pu (dlur)

    The value must be unique within the domain; however, the TN3270 server generally cannot tell which remote hosts are in which domains, so the server only enforces uniqueness within the set of DLUR PUs. IP address that the clients should use as host IP address to map to LU sessions under this PU.

  • Page 36: Show Extended Channel Tn3270-server

    Syntax Description slot/2 Command Mode Privileged EXEC Sample Display The following is sample output on the Cisco 7000 from the show extended channel tn3270-server command: router# show extended channel 3/2 tn3270-server <current stats> < connection stats > server-ip:tcp 172.28.1.106:23 172.28.1.107:23...

  • Page 37

    RESPONSE TIME, HOST The average response time from the host across all sessions through number this server IP address. This is measured from sending CD to the host to receiving the reply. RESPONSE TIME, TCP Average response time from the clients on this server IP address.

  • Page 38

    Table 5 Show tn3270-server Field Descriptions (Continued) Field LINK type DESTINATION mac-address or PU-name R-LSAP number number TN3270 Server Commands Description LINK type is either internal adapter type and internal adapter number or dlur if it is a SNA Session Switch PU.

  • Page 39: Show Extended Channel Tn3270-server Client-ip-address

    Command Mode Privileged EXEC Sample Display The following is sample output on the Cisco 7000 from the show extended channel tn3270-server client-ip-address command: router# show extended channel 3/2 tn3270-server client-ip 171.69.136.130 name pu is TN3PU02, lu is DYNAMIC type 0, negotiated TN3270 bytes 509 in, 3438 out;...

  • Page 40

    OUT len=28 len=9 OUT len=35 len=10 OUT len=132 len=9 len=20 OUT len=12 Table 6 describes significant fields in the display. Table 6 Show tn3270-server client-ip-address Field Descriptions Field LU locaddr LU lu-name CLIENT-IP:TCP ip-addr:tcpport STATE lu-state...

  • Page 41

    Table 6 Show tn3270-server client-ip-address Field Descriptions (Continued) Field Description BYTES IN/OUT Total number of bytes sent to/received from the host. number/number RUSIZE IN/OUT RU size as configured in the bind. number/number NEGRSP IN/OUT Number of SNA negative responses sent to/received from the host.

  • Page 42: Show Extended Channel Tn3270-server Dlur

    Syntax Description slot/2 Command Mode Privileged EXEC Sample Display The following is sample output on the Cisco 7000 from the show extended channel tn3270-server dlur command: router# show extended channel 3/2 tn3270-server dlur dlur MPX.GOANCP current dlus MPX.NGMVMPC preferred dlus MPX.NGMVMPC preferred server MPX.NGMVMPA...

  • Page 43

    Table 7 Show tn3270-server dlur Field Descriptions (Continued) Field Description VRN fq-name Name of the connection network as configured by the virtual routing node (VRN) statement for this LSAP and internal adapter pair. LSAP...STATUS status Possible sap-status values and their meanings are: •...

  • Page 44: Show Extended Channel Tn3270-server Dlurlink

    Syntax Description slot/2 name Command Mode Privileged EXEC Sample Display The following is sample output on the Cisco 7000 from the show extended channel tn3270-server dlurlink command: router# show extended channel 3/2 tn3270-server dlurlink P390 lsap token-adapter link P390 partner MPX.NGMVMPC Table 8 describes significant fields in the display.

  • Page 45: Show Extended Channel Tn3270-server Pu

    The display shown depends on whether the PU is a direct PU or a SNA session switch PU. Sample Displays The following is sample output on the Cisco 7000 from the show extended channel tn3270-server pu command for a direct PU:...

  • Page 46

    Table 9 describes significant fields in the display. Table 9 Show tn3270-server pu Field Descriptions Field NAME pu-name IP:TCP ip-addr:tcpport XID number STATE pu-state LINK type DESTINATION mac-address or PU-name R-LSAP number number IDLE-TIME number...

  • Page 47

    Table 9 Show tn3270-server pu Field Descriptions (Continued) Field Description CLIENT-IP:TCP Client’s IP address and TCP port number. ip-addr:tcpport STATE lu-state The LU states and their meanings are: • unknown—LU is in an undefined state. • inactive—LU did not receive ACTLU.

  • Page 48: Show Extended Channel Tn3270-server Pu Lu

    Use the show extended channel tn3270-server pu lu privileged EXEC command to display information about the TN3270 server LUs running on CIP interface in a Cisco 7000 series. show extended channel slot/2 tn3270-server pu pu-name lu locaddr [history]...

  • Page 49

    2D00010106476B8000A0 len=10 2D0001010647EB8000A0 OUT len=1677 2Cxxxxxxxx010381C07EC7114040 len=9 2C0001010001838100 Table 10 describes significant fields in the display. Table 10 Show tn3270-server pu lu Field Descriptions Field Description LU locaddr LOCADDR of the LU. NAME lu-name Name of the TN3270 LU. CLIENT-IP:TCP Client’s IP address and TCP port number.

  • Page 50

    Table 10 Show tn3270-server pu lu Field Descriptions (Continued) Field RUSIZE IN/OUT number/number NEGRSP IN/OUT number/number PACING WINDOW IN/OUT number/number CREDITS IN number QUEUE SIZE IN number QUEUE SIZE OUT number TN3270 Server Commands Description RU size as configured in the bind.

  • Page 51: Shutdown

    Usage Guidelines In CIP interface configuration mode, the command applies to the entire CIP. In TN3270 configuration mode, the command applies to the whole TN3270 Server. In PU configuration mode, the command applies to the DLUR or direct PU. In DLUR configuration mode, the command applies to the whole DLUR subsystem.

  • Page 52: Tcp-port

    The tcp-port command can be entered in either TN3270 configuration mode or PU configuration mode. A value entered in TN3270 mode applies to all PUs for that TN3270 server, except as overridden by values entered in PU configuration mode. The tcp-port command affects only future TN3270 sessions.

  • Page 53: Timing-mark

    No DO TIMING-MARKS are transmitted except by keepalive. Command Mode TN3270 configuration Usage Guidelines If timing-mark is configured the TN3270 server will send DO TIMING-MARK as necessary to achieve an end-to-end response protocol. Specifically, DO TIMING-MARK will be sent if any of the following are true: •...

  • Page 54: Tn3270-server

    Interface configuration Usage Guidelines Only one TN3270 server can run on a CIP. It will always be configured on port 2, which is the internal LAN interface port. The no tn3270-server command shuts down TN3270 server immediately. All active sessions will be disconnected and all DLUR and PU definitions deleted from the router configuration.

  • Page 55: Unbind-action

    Use the unbind-action TN3270 configuration command to select what action to take when the TN3270 server receives an UNBIND. Use the no form of this command to restore the default. unbind-action {keep | disconnect} no unbind-action Syntax Description keep...

  • Page 56: Vrn

    NETID and is shared between entities in the same logical network. Example The following command sets a VRN name for the TN3270 internal adapter on the CIP: vrn SYD.BLAN25 Related Commands adapter TN3270 Server Commands Fully qualified virtual routing node (VRN) name.

  • Page 57: Cisco Connection Online

    Cisco Connection Online Cisco Connection Online (CCO) is Cisco Systems’ primary, real-time support channel. Maintenance customers and partners can self-register on CCO to obtain additional information and services. Available 24 hours a day, 7 days a week, CCO provides a wealth of standard and value-added services to Cisco’s customers and business partners.

  • Page 58

    Excuses. are service marks; and BPX, Catalyst, Cisco, Cisco Systems, the Cisco Systems logo, EtherChannel, FastHub, FastPacket, ForeSight, IPX, LightStream, OptiClass, Phase/IP, StrataCom, and StrataView Plus are registered trademarks of Cisco Systems, Inc. in the U.S. and certain other countries. All other trademarks mentioned in this document are the property of their respective owners.

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