Dialup Network In A Box » History » Version 13
laforge, 10/08/2022 02:32 AM
add icE1usb for OCTOI hub
| 1 | 3 | laforge | {{>toc}} |
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| 2 | |||
| 3 | 1 | laforge | h1. Dialup Network In A Box |
| 4 | |||
| 5 | This is a self-contained, portable telephony network which allows us to connect and analog modems and ISDN adapters at retrocomputing events. |
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| 6 | |||
| 7 | The setup (as of Q4/2019) consists of: |
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| 8 | * [[Auerswald COMmander Basic2]] PBX with 8x S0 (ISDN BRI) ports, 16x a/b (analog) ports, 8x Up0 (ISDN) ports and 1x S2M (E1 ISDN PRI) |
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| 9 | * 1U Rack-Mount Atom PC with 4-port E1 (DAHDI) card and FreeSwitch: Emulates public telephone exchange |
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| 10 | * [[Livingston Portmaster 3]] RAS with ability to terminate 30 ISDN or analog modem calls |
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| 11 | 13 | laforge | * [[e1-t1-adapter:icE1usb]] to connect to [[octoi:|OCTOI Community TDMoIP]] |
| 12 | 1 | laforge | |
| 13 | h2. Telephony Setup |
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| 14 | |||
| 15 | The physical setup looks like this: |
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| 16 | |||
| 17 | {{graphviz_link() |
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| 18 | digraph G{ |
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| 19 | rankdir = LR; |
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| 20 | |||
| 21 | CB2 [label="Auerswald\nCommander Basic2"]; |
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| 22 | PM3 [label="Livingston\nPortmaster 3"]; |
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| 23 | ISDNTA1 [label="ISDN TA"]; |
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| 24 | ISDNTA2 [label="ISDN TA"]; |
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| 25 | ISDNTAN [label="ISDN TA"]; |
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| 26 | 13 | laforge | OCTOI [shape=star, label="OCTOI\nHub"]; |
| 27 | 1 | laforge | |
| 28 | Modem1 -> CB2 [label="Analog Line"]; |
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| 29 | Modem2 -> CB2 [label="Analog Line"]; |
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| 30 | ModemN -> CB2 [label="Analog Line"]; |
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| 31 | |||
| 32 | ISDNTA1 -> CB2 [label="ISDN BRI (S0) Line"]; |
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| 33 | ISDNTA2 -> CB2 [label="ISDN BRI (S0) Line"]; |
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| 34 | ISDNTAN -> CB2 [label="ISDN BRI (S0) Line"]; |
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| 35 | |||
| 36 | CB2 -> FreeSWITCH [label="ISDN PRI (E1) Trunk"]; |
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| 37 | FreeSWITCH -> PM3 [label="ISDN PRI (E1) Trunk"]; |
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| 38 | 13 | laforge | FreeSWITCH -> icE1usb [label="ISDN PRI (E1) Trunk"]; |
| 39 | icE1usb -> OCTOI [label="TDMoIP"]; |
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| 40 | 1 | laforge | } |
| 41 | }} |
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| 42 | |||
| 43 | h2. Logical Setup: |
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| 44 | |||
| 45 | This shows the logical setup including PCs and associated software: |
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| 46 | |||
| 47 | {{graphviz_link() |
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| 48 | digraph G{ |
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| 49 | rankdir = LR; |
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| 50 | |||
| 51 | PC1 [label="DOS PC 1"]; |
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| 52 | PC2 [label="DOS PC 2"]; |
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| 53 | CB2 [label="Auerswald\nCommander Basic2"]; |
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| 54 | PM3 [label="Livingston\nPortmaster 3"]; |
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| 55 | ISDNTA1 [label="ISDN TA"]; |
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| 56 | TERM1 [label="Terminal Program"]; |
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| 57 | TERM2 [label="Terminal Program"]; |
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| 58 | |||
| 59 | subgraph cluster_client1 { |
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| 60 | label="Dialup User 1"; |
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| 61 | TERM1 -> PC1; |
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| 62 | PC1 -> Modem1 [label="RS232"]; |
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| 63 | } |
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| 64 | |||
| 65 | subgraph cluster_client2 { |
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| 66 | label="Dialup User 2"; |
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| 67 | TERM2 -> PC2; |
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| 68 | PC2 -> ISDNTA1 [label="RS232"]; |
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| 69 | } |
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| 70 | |||
| 71 | Modem1 -> CB2 [label="Analog Line"]; |
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| 72 | ISDNTA1 -> CB2 [label="ISDN BRI (S0) Line"]; |
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| 73 | |||
| 74 | CB2 -> FreeSWITCH [label="ISDN PRI (E1) Trunk"]; |
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| 75 | FreeSWITCH -> PM3 [label="ISDN PRI (E1) Trunk"]; |
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| 76 | |||
| 77 | PM3 -> BBS [label="telnet"]; |
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| 78 | } |
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| 79 | }} |
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| 80 | 2 | laforge | |
| 81 | h2. Pictures |
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| 82 | |||
| 83 | !dalup-in-a-box.jpg! |
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| 84 | 3 | laforge | |
| 85 | 4 | laforge | !commander_basic2.jpg! |
| 86 | 5 | laforge | |
| 87 | h2. Ethernet Switch configuration |
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| 88 | |||
| 89 | We have an old 16-port gigabit ethernet switch (DELL PowerConnect 2716) in our setup. |
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| 90 | |||
| 91 | h3. VLAN 1 (admin) |
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| 92 | |||
| 93 | * Port 1: untagged |
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| 94 | * Port 7: PC eth1 (tagged) |
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| 95 | * Port 8: admin laptop (tagged) |
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| 96 | |||
| 97 | h3. VLAN 11 (admin) |
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| 98 | |||
| 99 | This is a "jumper" from VLAN 1 (untagged) to VLAN 11 (tagged) as the switch doesn't natively support its web interface on a tagged IP |
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| 100 | |||
| 101 | * Port 4: untagged |
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| 102 | * Port 7: PC eth1 (tagged) |
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| 103 | * Port 8: admin laptop (tagged) |
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| 104 | |||
| 105 | h3. VLAN 3999 (uplink) |
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| 106 | |||
| 107 | * Ports 9..16 |
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| 108 | * Port 8: admin laptop (tagged) |
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| 109 | |||
| 110 | h3. VLAN 4000 (auerswald) |
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| 111 | |||
| 112 | * Port 2: Auerswald (untagged) |
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| 113 | * Port 7: PC eth1 (tagged) |
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| 114 | * Port 8: admin laptop (tagged) |
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| 115 | |||
| 116 | h3. VLAN 4001 (PM3) |
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| 117 | |||
| 118 | * Port 3: PM3 (untagged) |
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| 119 | * Port 7: PC eth1 (tagged) |
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| 120 | * Port 8: admin laptop (tagged) |
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| 121 | |||
| 122 | 6 | laforge | h2. E1 configuration |
| 123 | |||
| 124 | 7 | laforge | h3. E1 ports on the atom1u machine with DAHDI + freeswitch |
| 125 | |||
| 126 | The ports are allocated as follows: |
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| 127 | |||
| 128 | 6 | laforge | * Port E1/1: Auerswald |
| 129 | * Port E1/2: PM3 |
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| 130 | * Port E1/3: Unused |
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| 131 | 8 | laforge | * Port E1/4: icE1usb |
| 132 | 6 | laforge | |
| 133 | 7 | laforge | The ports, as well as those of the portsmaster + auerswald are brougiht out on the keystone patch panel. They must be connected as stated above using *E1 cross-over cables*. those have a special pin-out, and are not to be confused with Ethernet cables (straight or cross-over). |
| 134 | 6 | laforge | |
| 135 | 5 | laforge | h2. IP Network configuration |
| 136 | |||
| 137 | h3. VLAN 1/11 (admin) |
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| 138 | |||
| 139 | |_.IP|_.Host| |
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| 140 | |192.168.2.1|dell2716 switch| |
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| 141 | 9 | laforge | |192.168.2.222|admin laptop| |
| 142 | 5 | laforge | |192.168.2.254|atom1u| |
| 143 | |||
| 144 | h3. VLAN 3999 (uplink) |
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| 145 | |||
| 146 | |_.IP|_.Host| |
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| 147 | |DHCP|atom1u| |
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| 148 | 11 | laforge | |DHCP|admin laptop| |
| 149 | 5 | laforge | |
| 150 | h3. VLAN 4000 (auerswald) |
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| 151 | |||
| 152 | |_.IP|_.Host| |
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| 153 | 10 | laforge | |192.168.0.222|admin laptop| |
| 154 | 5 | laforge | |192.168.0.240|[[Auerswald Commander Basic2]]| |
| 155 | |192.168.0.254|atom1u| |
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| 156 | |||
| 157 | h3. VLAN 4001 (PM3) |
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| 158 | |||
| 159 | |_.IP|_.Host| |
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| 160 | |192.168.3.1|[[Livingston Portmaster 3]]| |
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| 161 | |192.168.3.100|telnet/rlogin host (atom1u)| |
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| 162 | 12 | laforge | |192.`68.3.222|admin laptop| |
| 163 | 5 | laforge | |192.168.3.254|default-gw (atom1u)| |
| 164 | |192.168.4.0/24|PPP lease pool| |
