ISDN POTS V5 Event Configuration » History » Version 4
laforge, 08/11/2023 01:55 PM
1 | 1 | laforge | h1. ISDN POTS V5 Event Configuration |
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3 | This page documents the configuration of our ISDN/POTS V5 access network for evens like the [[ISDN_at_CCC_Camp_2023]] |
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5 | h2. Nokia EKSOS wooden racks |
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7 | We currently have 3 setups using NOKIA EKSOS N20 racks. They contain: |
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9 | * Nokia EKSOS N20 shelf |
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10 | ** NCU (main CPU card) with V5/E1 and Q3/Ethernet interfaces |
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11 | ** any number of PSTN + ISDN BRI line cards (PSTN: 32 ports per card, ISDN: 16 ports per card) |
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12 | ** home-made unit for N20 shelf containing |
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13 | *** nanopi R5S as Linux SoM |
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14 | **** LAN1 port used for Q3 to NCU |
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15 | **** WAN port used for uplink/back-haul\ |
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16 | **** special re-work applied internally to power the R5S from 12V DC without any USB-PD logic |
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17 | *** icE1usb as USB-E1 interface towards the NCU |
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18 | * 48V power supply (trimmed up to ~ 52V) for N20 shelf |
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19 | * 12V power supply for fans + nanopi R5S |
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20 | * 3x 120mm fan (1200 rpm) 12V mounted above N20 rack, airflow in upwards direction |
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21 | * 50-port ISDN patch panel configured as |
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22 | ** ports 1-16: first 16 ports of PSTN card in slot U3 |
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23 | ** ports 17-32: first 16 ports of PSTN card in slot U5 |
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24 | ** ports 33-48: ISDN line card in slot U7 |
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25 | ** ports 49-50: unused |
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27 | h3. nanoPi R5S configuration |
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29 | The nanoPI R5S is configured as follows: |
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30 | * Plain Debian 12 installation using https://github.com/inindev/nanopi-r5 |
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31 | * osmo-e1d package from osmocom:nightly feed |
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32 | ** octoi client to connect to remote octoi server |
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33 | * network config |
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34 | ** DHCP on the @wan@ port (back-haul/uplink) |
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35 | ** software-bridging (@q3br@) between @lan1@ and a @q3vx@ VXLAN device using group 3 on multicast group 239.1.1.1 on the @wan@ port |
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36 | ** static IP on the @lan22 port (local admin port) |
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38 | 2 | laforge | h3. V5 configuration |
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40 | Each AN is configured to have |
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41 | * one V5 Interface (ID see below) |
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42 | ** one Link in each V5 interface (Link Id 1) |
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43 | 3 | laforge | *** one C-Channel (0) on TS16 of Link 1 |
44 | 2 | laforge | ** Startup behaviour: V2 |
45 | ** Accelerated unblocking: Yes |
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46 | ** Disable Link ID Checking: Yes |
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47 | ** Startup during PSTN failure: No |
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49 | |_.Name|_.Number|_.Q3 MAC|_.V5 Interface ID|_.R5S WAN MAC|_.R5S WAN IP| |
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50 | |Berlin|A108.2|00:40:43:f8:55:4a|7108|?|?| |
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51 | 4 | laforge | |Leipzig|A096.1|00:40:43:f8:a3:2a|7096|28:2c:44:56:31:22|?| |
52 | 2 | laforge | |Hamburg|A107.1|00:40:43:f9:a2:d8|7107|?|?| |
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54 | 1 | laforge | h2. Siemens Fastlink |
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56 | TBD |