T01IPnnn - Internet Layer Messages

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1 CHAPTER 20 T01IPnnn - Internet Layer Messages This chapter describes the messages issued by the Internet layer (IP, ICMP) routine. These include messages T01IP001 through T01IP999. T01IPnnn T01IP001D Protocol number not supported, col = Explanation An IP datagram arrived for col, which is not found in the RAW IP col table. Determine if the col number should be supported. If so, examine the supporting application for problems. T01IP002D UDP port number not supported, port = port_num from :. Explanation A UDP datagram arrived that is not found in the UDP Port table. port_num Port from which unfound UDP datagram arrived. Remote port. IP address of remote host. Determine if the port number should be supported. If so, examine the supporting application for problems. T01IPnnn - Internet Layer Messages 20-1

2 T01IPnnn T01IP003E TCP port number not supported, port = port_num from :. Explanation A TCP datagram arrived that is not found in the TCP Port table. port_num Port from which unfound TCP datagram arrived. Remote port. IP address of remote host. Determine if the port number should be supported. If so, examine the supporting application for problems. T01IP010E ICMP checksum error From. Explanation An ICMP datagram arrived with a checksum error. The remote host IP address is represented by. Examine the remote host for problems. T01IP011E ICMP message too short ( numb ), from remoteip. Explanation An ICMP datagram arrived that is too short. The length is represented by num: the remote host IP address is represented by. Examine the remote host for problems. T01IP012D ICMP message session not found, from. Explanation An ICMP datagram arrived for which the corresponding endpoint cannot be found. The remote host IP address is represented by. Examine the remote host for problems Cisco IOS for S/390 Prefixed Messages

3 T01IP013I session,, rerouted from oldgwip to newgwip. Explanation an ICMP datagram arrived that resulted in re-routing a session. Protocol number of the session. oldgwip newgwip Old gateway IP address New gateway IP address. Examine the network for routing problems. T01IP014E session, localip,remoteip, destination unreachable and unable to reroute. Explanation An ICMP datagram arrived which indicated the destination was unreachable. Protocol number of the session. The col of the session is represented by ; local and remote port numbers are represented by and ; local and remote IP addresses are represented by and. Examine the network for routing problems. T01IPnnn - Internet Layer Messages 20-3

4 T01IPnnn T01IP015T ICMP type received for col,,, from senderip. Explanation An ICMP datagram arrived. type Type of ICMP datagram that arrived. senderip Protocol number of the header. Sender IP address. Examine the network for routing problems. T01IP016E session,,, time-to-live exceeded from senderip. Explanation An ICMP datagram arrived indicating the IP time-to-live field was exceeded. Protocol number of the session. senderip Sender IP address. time-to-live. Examine the network for routing problems. Possibly increase the default 20-4 Cisco IOS for S/390 Prefixed Messages

5 T01IP017I Redirect received for destip, to newrouterip, from oldrouterip. Explanation An ICMP arrived specifying a redirect. destip IP address of destination gateway. newrouterip oldrouterip IP address of new gateway IP address of sending gateway. T01IP018E ICMP parm problem xxx received for, to, from senderip. Explanation An ICMP datagram arrived specifying a parameter problem. xxx Offset into the datagram in error. senderip Source address of the datagram in error. Destination address of the datagram in error. Sending host IP address. Correct the field in error. T01IP019E ICMP type in error. from senderip. Explanation An ICMP datagram arrived which was in error. The type of the ICMP datagram in error is represented by type; the IP address of the sending host is represented by senderip. Examine the remote host to correct the field in error. T01IP030E Time to live exceeded on forwarded datagram. from to. Explanation A datagram arrived which was to be forwarded through Cisco IOS for S/390 with a time-to-live field of zero or one. The source and destination host IP addresses are represented by and. Examine the remote host to increase its time-to-live field. T01IPnnn - Internet Layer Messages 20-5

6 T01IPnnn T01IP031E datagram,,, Unable To Route To Destination. Explanation A datagram arrived which was to be forwarded but a route could not be obtained. Protocol number of the session. Examine the network for routing problems. T01IP032I Redirect sent to, for, new router newrouterip. Explanation A datagram arrived which was to be forwarded and the route was for the same subnet. newrouterip Gateway described in the redirect. Examine the network for routing problems. T01IP040T datagram,,, unable to forward to destination. Explanation A datagram arrived which was to be forwarded but forwarding has been disabled. Protocol number of the session. Examine the network for routing problems Cisco IOS for S/390 Prefixed Messages

7 T01IP041D datagram,,, col not supported. Explanation A datagram arrived specifying a col which is not supported (no endpoint found). Protocol number of the session. Examine the application which supports this col. T01IP042D UDP datagram,,, port not found. Explanation A UDP datagram arrived for a port which had no session. Examine the application which supports this port. T01IP043I TCP datagram,, session not found. Explanation A TCP datagram arrived for which no session could be found. Examine the application which supports this port. T01IPnnn - Internet Layer Messages 20-7

8 T01IPnnn T01IP044E IP checksum error from. Explanation An IP datagram arrived with a checksum error. The remote host IP address is represented by. Examine the remote host for problems. T01IP045E IP datagram truncated for,,,,. Explanation An IP datagram was received whose header indicated a length exceeding the size of the packet. Part of the data portion is apparently lost. The datagram is discarded. Examine the remote host. T01IP046E IP datagram too short for,,,,. Explanation An IP datagram was received whose length would not hold a complete IP header. The datagram was truncated by the network or badly formed by the remote host. The datagram is discarded. Examine the remote host Cisco IOS for S/390 Prefixed Messages

9 T01IP047E IP datagram reassembly error for,,,,. Explanation An IP datagram was received whose reassembly offset value would cause the total datagram length to exceed 65535, the maximum size for an IP datagram. The datagram is discarded. Examine the remote host. T01IP048E IP datagram resource shortage for type,,,. Explanation An IP datagram was received which could not be processed due to a shortage of internal resources. The datagram is discarded. type Resource type. Examine the resource type. It may be necessary to expand the buffer pool(s) with the POOLDEF statement in the TCPCFGxx configuration member, or it may be necessary to increase the region size for the Cisco IOS for S/390 region. T01IPnnn - Internet Layer Messages 20-9

10 T01IPnnn T01IP049E IP datagram invalid source route for,,,, Explanation An IP datagram was received whose IP header contained an invalid source route option. The datagram is discarded. Protocol number of the session. Examine the remote host. T01IP050I IP datagram reassembly timeout for,,,,. Explanation A datagram timed out during reassembly. Examine the network for dropped packets Cisco IOS for S/390 Prefixed Messages

11 T01IP051E IP output no LNI segment for,, : :. Explanation IP is attempting to build an IP header for a datagram, but found errors in the options passed from the higher layer. Support. This may indicate an internal error. Save all output and contact Customer T01IP052D IP datagram follows: Explanation An error was encountered in an inbound IP datagram. The datagram is dumped following the message. This diagnostic message is preceded by an error or warning message. Follow the action for that message. T01IP053E IP output header will not fit for,, : :. T01IP054E IP output options will not fit for,, locapip: :. T01IP055E IP output bad source route list for,, locapip: :. T01IPnnn - Internet Layer Messages 20-11

12 T01IPnnn T01IP056E IP output option length is zero for,, locapip: :. Explanation IP is attempting to build an IP header for a datagram, but found an error in the data or options passed from the higher layer. Support. This may indicate an internal error. Save all output and contact Customer T01IP057E IP output MBUF shortage for,, locapip: :. Explanation IP is unable to obtain MBUF storage to construct an output IP datagram. Check the logs for other evidence of a storage shortage. It may be necessary to increase the region size for the TCP/IP job Cisco IOS for S/390 Prefixed Messages

13 T01IP060W IP host unreachable for,,,,. Explanation A datagram could not be delivered by an LNI. ARP Timeout is the probable cause. Examine the remote host. T01IP070W ICMP datagram,,, unable to route. Explanation An ICMP datagram was sent for which a route could not be obtained. Examine the network for routing problems. T01IP071E IP header follows: hex_dump_format Explanation This message contains a dump of an input IP datagram header. It follows another IP error message, such as T01IP010E, T01IP011E, T01IP018E, or T01IP019E. See the accompanying error message description for appropriate action. T01IPnnn - Internet Layer Messages 20-13

14 T01IPnnn Cisco IOS for S/390 Prefixed Messages

Internet Control Message Protocol (ICMP)

Internet Control Message Protocol (ICMP) 1 Overview The IP (Internet Protocol) relies on several other protocols to perform necessary control and routing functions: Control functions (ICMP) Multicast signaling