TELL1 Aggregation Switch Configuration

  • Currently, the TELL1 boards are connected to sw-daq-01 (the E1200 Force 10) through two aggregation switches, sw-agg-01 and sw-agg-02.
  • Note: The aggregation switches are used as switches, and not routers.
  • For assigning IP addresses to the TELL1s, please refer to this page: https://twiki.cern.ch/twiki/bin/view/LHCb/TELL1IPRanges
  • Configuration for both switches is identical. The VLAN-port assignment is given below

VLANSorted ascending Ports
10 A2,A3,A4,A5,A21
11 A6,A7,A8,A9,A10,A22
12 A11,A12,A13,A14,A15,A23
13 A16,A17,A18,A19,A20,A24
14 B1,B2,B3,B4,B5,B21
15 B6,B7,B8,B9,B10,B22
16 B11,B12,B13,B14,B15,B23
17 B16,B17,B18,B19,B20,B24
18 C1,C2,C3,C4,C5,C21
19 C6,C7,C8,C9,C10,C22
20 C11,C12,C13,C14,C15,C23
21 C16,C17,C18,C19,C20,C24
22 D1,D2,D3,D4,D5,D21
23 D6,D7,D8,D9,D10,D22
24 D11,D12,D13,D14,D15,D23
25 D16,D17,D18,D19,D20,D24

The basic idea is to connect ports 21, 22, 23 and 24 on each switch module to sw-daq-01, and pair them up with 5 ports with links from the TELL1s.

NOTE: VLAN 10 is the exception (in both switches), since A1 is used as the controls link to the switch.

-- SaiSuman - 04 Apr 2007

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Topic revision: r1 - 2007-04-04 - SaiSuman
 
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