ISDN POTS V5 Event Configuration » History » Version 9
laforge, 08/13/2023 05:19 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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| 4 | |||
| 5 | h2. Nokia EKSOS wooden racks |
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| 6 | |||
| 7 | We currently have 3 setups using NOKIA EKSOS N20 racks. They contain: |
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| 8 | |||
| 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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| 26 | |||
| 27 | h3. nanoPi R5S configuration |
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| 28 | |||
| 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 | 5 | laforge | ** static IP 192.168.2.1 on the @lan2@ port (local admin port) |
| 37 | 1 | laforge | |
| 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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| 48 | |||
| 49 | 7 | jolly | |_.Name|_.Number|_.Q3 MAC|_.V5 Interface ID|_.R5S WAN MAC|_.R5S WAN IP|_.e1_line| |
| 50 | |Berlin|A108.2|00:40:43:f8:55:4a|7108|b4:22:52:84:71:26|10.20.23.145|4| |
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| 51 | 9 | laforge | |Leipzig|A096.1|00:40:43:f8:a3:2a|7096|28:2c:44:56:31:22|10.20.23.116|5| |
| 52 | 8 | laforge | |Hamburg|A107.1|00:40:43:f9:a2:d8|7107|64:2e:f8:00:66:76|10.20.34.237|3| |
| 53 | 2 | laforge | |
| 54 | 1 | laforge | h2. Siemens Fastlink |
| 55 | |||
| 56 | TBD |
