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1
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Customer complained on performance degradation when he changes media from auto to manual. We made RMA but the issue still exists.
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2
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3
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My tests
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4
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5
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6
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tests were completed: copy/paste 200MB file via stupid cheap Dlink 100M switch
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7
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8
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path download/upload MByte/sec
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9
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10
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 10/10MB/s
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11
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H1<--SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)<--H2 10/10MB/s
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12
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H1-->SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 10/10MB/s
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13
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H1<--SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)<--H2 10/10MB/s
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14
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 10/5MB/s
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15
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H1<--SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)<--H2 10/6MB/s
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16
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H1-->SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 4/10MB/s
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17
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H1<--SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)<--H2 10/6MB/s
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18
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19
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Again
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20
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21
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 10/4MB/s
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22
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23
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Reboot SG1k
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24
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25
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 10/10MB/s
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26
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H1-->SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 10/4MB/s
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27
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28
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Reboot SG1k
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29
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30
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H1-->SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 4/10MB/s
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31
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32
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Reboot SG1k
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33
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34
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H1-->SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 10/4MB/s
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35
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 10/4MB/s
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36
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37
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Reboot H2
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38
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39
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 10/6MB/s
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40
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41
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Reboot SW1
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42
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43
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 4/6MB/s
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44
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H1<--SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)<--H2 6/6MB/s
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45
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46
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Reboot SG1k
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47
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48
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 10/10MB/s
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49
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H1<--SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)<--H2 10/10MB/s
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50
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51
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52
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53
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Hmmm... looks like something happens on sg1k and sw1 when I setup 100MFULL because only reboot both allowed to return to normal speed. Did not test manual 100MFULL and reboot will make tomorrow
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54
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55
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56
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New test after 12 hours break (did nothing during break)
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57
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58
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H1-->SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 10/10MB/s
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59
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H1<--SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)<--H2 10/10MB/s
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60
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 10/10MB/s
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61
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H1<--SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)<--H2 10/10MB/s
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62
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 10/10MB/s
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63
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H1<--SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)<--H2 10/10MB/s
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64
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65
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Reboot sg1k
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66
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67
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 10/10MB/s
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68
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H1<--SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)<--H2 10/10MB/s
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69
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H1-->SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 10/10MB/s
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70
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H1-->SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 10/10MB/s
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71
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H1<--SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)<--H2 10/10MB/s
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72
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73
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unplug/plug both cables
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74
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75
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H1<--SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)<--H2 5/6MB/s
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76
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dev.cpswss.0.stats.RxCrcErrors: 131
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77
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dev.cpswss.0.stats.RxAlignErrors: 216
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78
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79
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H1-->SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 4/nMB/s
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80
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dev.cpswss.0.stats.RxCrcErrors: 215
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81
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dev.cpswss.0.stats.RxAlignErrors: 420
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82
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83
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H1-->SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 n/5MB/s
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84
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dev.cpswss.0.stats.RxCrcErrors: 271
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85
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dev.cpswss.0.stats.RxAlignErrors: 532
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86
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 n/5MB/s
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87
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88
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dev.cpswss.0.stats.RxCrcErrors: 311
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89
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dev.cpswss.0.stats.RxAlignErrors: 575
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90
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91
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reboot sg1k and sw1
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92
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93
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 n/10MB/s
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94
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95
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no err
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96
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97
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H1-->SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 n/10MB/s
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98
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99
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no err
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100
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101
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H1-->SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 n/10MB/s
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102
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103
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no err
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104
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105
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unplug/plug WAN cable
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106
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107
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H1-->SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 n/9MB/s
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108
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109
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dev.cpswss.0.stats.RxCrcErrors: 26
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110
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dev.cpswss.0.stats.RxAlignErrors: 31
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111
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112
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 n/9MB/s
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113
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114
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dev.cpswss.0.stats.RxCrcErrors: 75
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115
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dev.cpswss.0.stats.RxAlignErrors: 57
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116
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117
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reboot sw1
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118
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119
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 n/6MB/s
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120
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121
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dev.cpswss.0.stats.RxCrcErrors: 116
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122
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dev.cpswss.0.stats.RxAlignErrors: 98
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123
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124
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reboot sg1k and sw1
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125
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126
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 n/10MB/s
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127
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128
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no err
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129
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130
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unplug/plug WAN cable
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131
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132
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 n/10MB/s
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133
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134
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no err
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135
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136
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unplug/plug both cables
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137
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138
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(auto)-->H2 n/10MB/s
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139
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140
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no err
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141
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142
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set LAN to manual 100FULL
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143
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144
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 n/10MB/s
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145
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146
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no err
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147
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148
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unplug/plug LAN cable
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149
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150
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H1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 n/6MB/s
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151
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152
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dev.cpswss.0.stats.RxCrcErrors: 11
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153
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dev.cpswss.0.stats.RxAlignErrors: 37
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154
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155
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156
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Well, if port set to manual and cable is unpluged/pluged CRC and RXAlign errors start rising. Only both device sw and sg1k reboot helps.
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157
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158
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159
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160
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Continue testing with Cisco 3560
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161
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162
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1-->SW1--(auto)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 n/10MB/s
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163
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164
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no err
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165
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166
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H1-->SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 n/10MB/s
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167
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168
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no err
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169
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170
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unplug/plug WAN cable
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171
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172
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H1-->SW1--(100FULL)-->WAN (NAT1:1)--SG1K--LAN--SW1--(100FULL)-->H2 n/0.5MB/s
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173
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174
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dev.cpswss.0.stats.RxCrcErrors: 1160
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175
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176
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And Cisco shows
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177
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178
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0 output errors, 36 collisions, 1 interface resets
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179
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0 babbles, 1163 late collision, 0 deferred
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180
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181
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Tried to setup manual on cisco port sg1k (still manual) - status: no carrier
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182
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Changed to auto/auto on sg1k do not resolve issue
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183
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Reboot sg1k resolve issue
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184
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185
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186
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Looks like changing media to manual does not affect on real situation until cable is not upluged/pluged although ifconfig shows manual media selection. Anyway manual media selection does not work if device on another side uses manual too:
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187
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188
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sh run int fa0/14
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189
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interface FastEthernet0/14
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190
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switchport access vlan 15
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191
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switchport mode access
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192
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speed 100
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193
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duplex full
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194
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end
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195
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196
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sh int fa0/14
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197
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FastEthernet0/14 is down, line protocol is down (notconnect)
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198
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199
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cpsw1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
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200
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options=8000b<RXCSUM,TXCSUM,VLAN_MTU,LINKSTATE>
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201
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ether 68:9e:19:9c:9f:49
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202
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hwaddr 68:9e:19:9c:9f:49
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203
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inet6 fe80::6a9e:19ff:fe9c:9f49%cpsw1 prefixlen 64 scopeid 0x2
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204
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inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255
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205
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media: Ethernet 100baseTX <full-duplex>
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206
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status: no carrier
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207
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nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
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208
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209
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And if another side device uses auto connection is negotiated as 100HALF
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210
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211
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sh int fa0/14
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212
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FastEthernet0/14 is up, line protocol is up (connected)
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213
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214
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Half-duplex, 100Mb/s, media type is 10/100BaseTX
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215
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216
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cpsw1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
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217
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options=8000b<RXCSUM,TXCSUM,VLAN_MTU,LINKSTATE>
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218
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ether 68:9e:19:9c:9f:49
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219
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hwaddr 68:9e:19:9c:9f:49
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220
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inet6 fe80::6a9e:19ff:fe9c:9f49%cpsw1 prefixlen 64 scopeid 0x2
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221
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inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255
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222
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media: Ethernet 100baseTX <full-duplex>
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223
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status: active
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224
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nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
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225
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226
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looks like bug related to https://redmine.pfsense.org/issues/7532
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