If you observed ICMP error messages, include one such message in the report. Also include the first TCP segment that is sent after PC1 has received the ICMP error message.

What will be an ideal response?


Frame 9
```
(590 on wire, 590 captured)
Arrival Time: Aug 23, 2003 03:43:01.986983
Time delta from previous packet: 0.001238 seconds
Time relative to first packet: 0.004074 seconds
Frame Number: 9
Packet Length: 590 bytes
Capture Length: 590 bytes
Ethernet II
Destination: 00:50:bf:90:7d:33 (00:50:bf:90:7d:33)
Source: 00:50:bf:90:67:74 (00:50:bf:90:67:74)
Type: IP (0x0800)
Internet Protocol, Src Addr: 10.0.1.33 (10.0.1.33), Dst Addr: 10.0.1.11 (10.0.1.11)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0xc0 (DSCP 0x30: Class Selector 6; ECN: 0x00)
1100 00.. = Differentiated Services Codepoint: Class Selector 6 (0x30)
.... ..0. = ECN-Capable Transport (ECT): 0
.... ...0 = ECN-CE: 0
Total Length: 576
Identification: 0x936b (37739)
Flags: 0x00
.0.. = Don't fragment: Not set
..0. = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: ICMP (0x01)
Header checksum: 0xfcd6 (correct)
Source: 10.0.1.33 (10.0.1.33)
Destination: 10.0.1.11 (10.0.1.11)
Internet Control Message Protocol
Type: 3 (Destination unreachable)
Code: 4 (Fragmentation needed)
Checksum: 0xdee7 (correct)
MTU of next hop: 500
Data (496 bytes)
```
Frame 13
```
(566 on wire, 566 captured)
Arrival Time: Aug 23, 2003 03:43:01.989177
Time delta from previous packet: 0.000098 seconds
Time relative to first packet: 0.005268 seconds
Frame Number: 13
Packet Length: 566 bytes
Capture Length: 566 bytes
Ethernet II
Destination: 00:50:bf:90:67:74 (00:50:bf:90:67:74)
Source: 00:50:bf:90:7d:33 (00:50:bf:90:7d:33)
Type: IP (0x0800)
Internet Protocol, Src Addr: 10.0.1.11 (10.0.1.11), Dst Addr: 10.0.1.33 (10.0.1.33)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00)
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..0. = ECN-Capable Transport (ECT): 0
.... ...0 = ECN-CE: 0
Total Length: 552
Identification: 0x9f70
Flags: 0x00
.0.. = Don't fragment: Not set
..0. = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: TCP (0x06)
Header checksum: 0xc25c (correct)
Source: 10.0.1.1 (10.0.1.1)
Destination: 10.0.2.3 (10.0.2.3)
Transmission Control Protocol, Src Port: 1041 (1041), Dst Port: 4444 (4444), Seq:

1303495241, Ack: 1331709315

Source port: 1041 (1041)
Destination port: 4444 (4444)
Sequence number: 1303495241
Next sequence number: 1303495741
Acknowledgement number: 1331709315
Header length: 32 bytes
Flags: 0x0018 (PSH, ACK)
0... .... = Congestion Window Reduced (CWR): Not set
.0.. .... = ECN-Echo: Not set
..0. .... = Urgent: Not set
...1 .... = Acknowledgment: Set
.... 1... = Push: Set
.... .0.. = Reset: Not set
.... ..0. = Syn: Not set
.... ...0 = Fin: Not set
Window size: 5840
Checksum: 0xf929 (correct)
Options: (12 bytes)
NOP
NOP
Time stamp: tsval 706896, tsecr 684205
```

Computer Science & Information Technology

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