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Forum Discussion
M4300 really hot
We have 3 M4300-24X, they all 3 are really hot to touch; One of them is not even used (its just connected) is this normal ? Unit ID 1 2 3 4 5 6 7 8 MAC 69oC 67oC 70oC ...
Sorry for the friendly takeover of this thread, but watching the community forums is also one measure of knowing about issues that might occur in infrastructure I maintain so this got me interested.
I also saw that for the M4300-96X there was a CPLD Update somewhat hidden in the downloads. Is the CPLD not part ofr regular firmware image?
Since we have older units that have likely even older CPLD releases I'm asking "how" are network administrators supposed to know about CPLD changes and how are we supposed to keep track of these components?
I totally agree, we have a rather small setup where I can go and look to these switches in particular; but larger centers might not have this option;
Anyway; after contact with support I was given a firmware upgrade to the CPLD; to 0x6; I bought a new switch (also MX4300-24X) and this one came with a CPLD version 0x6; Now I have version 0x4-0x6 :
Unit ID 1 2 3 4 MAC 65 ℃ 71 ℃ 68 ℃ 49 ℃ Max Operating Temperature 81 ℃ 81 ℃ 81 ℃ 81 ℃ 1 : CPLD 0x6 (patched)
2 : CPLD 0x5 (unpatched)
3 : CPLD 0x4 (unpatched)
4 : CPLD 0x6 (new : 14/12/2020)
I think there is something fishy with these earlier models ... considering there is still 15-16 degrees difference with the same patch level; (these are all in the same room that is AC'd to around 20-21 degrees)
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