If Cisco is ending support for LRE, (which i have never used) other options are available, from both Zyxel, and SMC.
jakob, if you are experiencing ports hanging intermittenttly, we had a similar issue with Zyxel equipment. It took us quite a while and a few highly experienced telco engineers to figure out wht it was.
In short the bandwidth being produced by VDSL is directly proportional to the frequency used. i.e 15 Mbps bandwidth 5Mhz (incorrect but thereabouts)
We had a lot on EMI in the facility we rolled out to, so we found that by brining back the bandwidth on each VDSL/LRE port the frequency was reduced and therefore was less suceptable to noise and EMI.
Our ports stayed up full time. I suggest trying the above. I am sure it will Work for you.
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