| Revision 144,
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checked in by atzm, 12 years ago
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| [141] | 1 | Introduction |
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| 2 | ============ |
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| 3 | etherws is an implementation of Ethernet over WebSocket tunnel |
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| 4 | based on Linux Universal TUN/TAP device driver. |
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| 5 | |
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| 6 | Usage |
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| 7 | ===== |
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| 8 | For example, if you want to make virtual ethernet link for VM1 and VM2 |
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| 9 | whose hypervisor's broadcast domains were split by router R:: |
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| 10 | |
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| 11 | +------------------+ +------------------+ |
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| 12 | | Hypervisor1 | | Hypervisor2 | |
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| 13 | | +-----+ | | +-----+ | |
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| 14 | | | VM1 | | | | VM2 | | |
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| 15 | | +--+--+ | | +--+--+ | |
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| 16 | | | (vnet0) | | (vnet0) | | |
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| 17 | | +--+--+ | | +--+--+ | |
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| 18 | | | br0 | | | | br0 | | |
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| 19 | | +--+--+ | | +--+--+ | |
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| 20 | | | | | | | |
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| 21 | | (ethws0) (eth0) | | (eth0) (ethws0) | |
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| 22 | +----||--------+---+ +----+-------||----+ |
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| 23 | || | +---+ | || |
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| 24 | || -----+--------| R |--------+----- || |
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| 25 | || +---+ || |
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| 26 | || || |
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| 27 | ``======================================'' |
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| 28 | (Ethernet over WebSocket tunnel) |
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| 29 | |
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| 30 | then you can type following commands. |
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| 31 | |
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| 32 | on Hypervisor1:: |
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| 33 | |
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| 34 | # etherws server |
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| 35 | # brctl addbr br0 |
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| 36 | # brctl addif br0 vnet0 |
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| 37 | # brctl addif br0 ethws0 |
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| 38 | # ifconfig br0 up |
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| 39 | |
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| 40 | on Hypervisor2:: |
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| 41 | |
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| 42 | # etherws client --uri ws://<Hypervisor1's IP address>/ |
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| 43 | # brctl addbr br0 |
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| 44 | # brctl addif br0 vnet0 |
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| 45 | # brctl addif br0 ethws0 |
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| 46 | # ifconfig br0 up |
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| 47 | |
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| [144] | 48 | Also etherws supports SSL/TLS connection (but authentication is not |
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| 49 | supported yet), so if you want to encrypt this tunnel, then you can |
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| 50 | use following options:: |
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| 51 | |
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| 52 | on Hypervisor1 (options *keyfile* and *certfile* were specified):: |
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| 53 | |
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| 54 | # etherws server --keyfile ssl.key --certfile ssl.crt |
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| 55 | |
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| 56 | on Hypervisor2 (option *uri*'s scheme was changed to *wss*):: |
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| 57 | |
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| 58 | # etherws client --uri wss://<Hypervisor1's IP address>/ |
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| 59 | |
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| [141] | 60 | History |
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| 61 | ======= |
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| [144] | 62 | 0.2 (2012-05-16 JST) |
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| 63 | - SSL/TLS connection support |
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| 64 | |
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| 65 | 0.1 (2012-05-15 JST) |
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| [141] | 66 | - First release |
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