Hi Alessandra,
What type of WN is doing it? When we last ran VAC (a while back now) I
seem to recall that we had a local squid cache on each WN, pointing back
to another single site squid that did the real work and hence limited
traffic further back, since it had a large cache. Could it be that WNs
at VAC sites go direct to CERN, ?
Just asking...
Ste
On 2020-02-26 09:10, Alessandra Forti wrote:
>> it seems there is a problem with the UK sites WNs accessing frontier
>> squid. In particular Manchester, RAL, RALPP and Oxford the others
>> too but they are behind a NAT and not as many nodes appear in the
>> list.
>>
>>
> https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwlcg-squid-monitor.cern.ch%2Fawstats%2Fbin%2Fawstats.pl%3Fconfig%3Dcvmfsbproxy.cern.ch%26databasebreak%3Dday%26day%3D25&data=02%7C01%7C%7Cebdecf99190248c3600a08d7ba941a8f%7C569df091b01340e386eebd9cb9e25814%7C0%7C0%7C637183017572955219&sdata=tri9QzQT0sN%2BJAO1jlmf0X21X3yQ%2Bo%2BTdTnD%2BEVcZhM%3D&reserved=0
>>
>> you need to filter for ac.uk
>>
>> Can I ask what version of squid you are using and if you are using
>> frontier squid or standard OS squid?
>>
>> Frontier changed the baseline from 3.5.28 to 4.10.1-1 two weeks ago
>> which is not even available on centos8.
>>
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