Appendix C. MCell Network IP Addresses

Appendix C. MCell Network IP Addresses
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If you need to troubleshoot the MCell cooling equipment on an SGI ICE X system, you need to know the IP addresses of the cooling rack controllers (CRCs) and cooling distribution units (CDUs) so that you can type a ping(8) command to the component. Each piece of equipment bears a label with its equipment number.

For CRCs, the IP address is 172.26.128.number.

For CDUs, the IP address is 172.26.144.number.

Table C-1 shows the number at the end of the IP address for CRCs and CDUs.

Table C-1. MCell Network Associations

Rack	Cooling Rack Controllers (CRCs)	Cooling Distribution Unit (CDUs)
1	1	1
2	1	1
3	2	1
4	2	1
5	3	2
6	3	2
7	4	2
8	4	2
9	5	3
10	5	3
11	6	3
12	6	3
13	7	4
14	7	4
15	8	4
16	8	4
17	9	5
18	9	5
19	10	5
20	10	5
21	11	6
22	11	6
23	12	6
24	12	6
25	13	7
26	13	7
27	14	7
28	14	7
29	15	8
30	15	8
31	16	8
32	16	8
33	17	9
34	17	9
35	18	9
36	18	9
37	19	10
38	19	10
39	20	10
40	20	10
41	21	11
42	21	11
43	22	11
44	22	11
45	23	12
46	23	12
47	24	12
48	24	12
49	25	13
50	25	13
51	26	13
52	26	13
53	27	14
54	27	14
55	28	14
56	28	14
57	29	15
58	29	15
59	30	15
60	30	15
61	31	16
62	31	16
63	32	16
64	32	16
65	33	17
66	33	17
67	34	17
68	34	17
69	35	18
70	35	18
71	36	18
72	36	18
73	37	19
74	37	19
75	38	19
76	38	19
77	39	20
78	39	20
79	40	20
80	40	20
81	41	21
82	41	21
83	42	21
84	42	21
85	43	22
86	43	22
87	44	22
88	44	22
89	45	23
90	45	23
91	46	23
92	46	23
93	47	24
94	47	24
95	48	24
96	48	24
97	49	25
98	49	25
99	50	25
100	50	25

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Appendix B. Subnetwork Information		Appendix D. Legacy Partition Layout Information

Rack	Cooling Rack Controllers (CRCs)	Cooling Distribution Unit (CDUs)
1	1	1
2	1	1
3	2	1
4	2	1
5	3	2
6	3	2
7	4	2
8	4	2
9	5	3
10	5	3
11	6	3
12	6	3
13	7	4
14	7	4
15	8	4
16	8	4
17	9	5
18	9	5
19	10	5
20	10	5
21	11	6
22	11	6
23	12	6
24	12	6
25	13	7
26	13	7
27	14	7
28	14	7
29	15	8
30	15	8
31	16	8
32	16	8
33	17	9
34	17	9
35	18	9
36	18	9
37	19	10
38	19	10
39	20	10
40	20	10
41	21	11
42	21	11
43	22	11
44	22	11
45	23	12
46	23	12
47	24	12
48	24	12
49	25	13
50	25	13
51	26	13
52	26	13
53	27	14
54	27	14
55	28	14
56	28	14
57	29	15
58	29	15
59	30	15
60	30	15
61	31	16
62	31	16
63	32	16
64	32	16
65	33	17
66	33	17
67	34	17
68	34	17
69	35	18
70	35	18
71	36	18
72	36	18
73	37	19
74	37	19
75	38	19
76	38	19
77	39	20
78	39	20
79	40	20
80	40	20
81	41	21
82	41	21
83	42	21
84	42	21
85	43	22
86	43	22
87	44	22
88	44	22
89	45	23
90	45	23
91	46	23
92	46	23
93	47	24
94	47	24
95	48	24
96	48	24
97	49	25
98	49	25
99	50	25
100	50	25

Rack	Cooling Rack Controllers (CRCs)	Cooling Distribution Unit (CDUs)
1	1	1
2	1	1
3	2	1
4	2	1
5	3	2
6	3	2
7	4	2
8	4	2
9	5	3
10	5	3
11	6	3
12	6	3
13	7	4
14	7	4
15	8	4
16	8	4
17	9	5
18	9	5
19	10	5
20	10	5
21	11	6
22	11	6
23	12	6
24	12	6
25	13	7
26	13	7
27	14	7
28	14	7
29	15	8
30	15	8
31	16	8
32	16	8
33	17	9
34	17	9
35	18	9
36	18	9
37	19	10
38	19	10
39	20	10
40	20	10
41	21	11
42	21	11
43	22	11
44	22	11
45	23	12
46	23	12
47	24	12
48	24	12
49	25	13
50	25	13
51	26	13
52	26	13
53	27	14
54	27	14
55	28	14
56	28	14
57	29	15
58	29	15
59	30	15
60	30	15
61	31	16
62	31	16
63	32	16
64	32	16
65	33	17
66	33	17
67	34	17
68	34	17
69	35	18
70	35	18
71	36	18
72	36	18
73	37	19
74	37	19
75	38	19
76	38	19
77	39	20
78	39	20
79	40	20
80	40	20
81	41	21
82	41	21
83	42	21
84	42	21
85	43	22
86	43	22
87	44	22
88	44	22
89	45	23
90	45	23
91	46	23
92	46	23
93	47	24
94	47	24
95	48	24
96	48	24
97	49	25
98	49	25
99	50	25
100	50	25

Rack	Cooling Rack Controllers (CRCs)	Cooling Distribution Unit (CDUs)
1	1	1
2	1	1
3	2	1
4	2	1
5	3	2
6	3	2
7	4	2
8	4	2
9	5	3
10	5	3
11	6	3
12	6	3
13	7	4
14	7	4
15	8	4
16	8	4
17	9	5
18	9	5
19	10	5
20	10	5
21	11	6
22	11	6
23	12	6
24	12	6
25	13	7
26	13	7
27	14	7
28	14	7
29	15	8
30	15	8
31	16	8
32	16	8
33	17	9
34	17	9
35	18	9
36	18	9
37	19	10
38	19	10
39	20	10
40	20	10
41	21	11
42	21	11
43	22	11
44	22	11
45	23	12
46	23	12
47	24	12
48	24	12
49	25	13
50	25	13
51	26	13
52	26	13
53	27	14
54	27	14
55	28	14
56	28	14
57	29	15
58	29	15
59	30	15
60	30	15
61	31	16
62	31	16
63	32	16
64	32	16
65	33	17
66	33	17
67	34	17
68	34	17
69	35	18
70	35	18
71	36	18
72	36	18
73	37	19
74	37	19
75	38	19
76	38	19
77	39	20
78	39	20
79	40	20
80	40	20
81	41	21
82	41	21
83	42	21
84	42	21
85	43	22
86	43	22
87	44	22
88	44	22
89	45	23
90	45	23
91	46	23
92	46	23
93	47	24
94	47	24
95	48	24
96	48	24
97	49	25
98	49	25
99	50	25
100	50	25