................................................................................................................................ 808
.............................................................................................................................. 814
....................................................................................................................................... 815
.................................................................................................................................. 816
................................................................................................................................................ 826
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....................................................................................................................................830
27 IPv4 Routing.................................................................................................... 831
...................................................................................................................................................... 831
............................................................................................................................... 832
............................................................................................................................... 833
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.......................................................................................................................................... 835
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.......................................................................................................................................... 841
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................................................................................................................................ 845
...................................................................................................... 807
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................................................................................................................... 817
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.............................................................................................................. 818
.................................................................................................................... 820
................................................................................................................... 820
...............................................................................................................823
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............................................................................................................. 826
.....................................................................................................828
..................................................................................................................829
........................................................................................................................838