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Hello! We (at NDGF-T1) are trying to be ahead of demand and are testing dCache as an IPv6 xrootd-server... but it's not going very well. http://xrootd.org/doc/dev4/XRdv300.htm#_Toc372751539 says that the node response should look like: xy[::aaa.bbb.ccc.ddd.eee]:ppppp Giving the xrdfs client an IPv6 answer like Sw[::2001:948:40:2:0:0:0:149]:1094 causes the client to sputter out "Invalid address" and refuses to work. When testing xrdfs against an xrootd daemon over IPv6, the answer is a bit sad: Sw[::193.166.0.114]:1094 = the machine handshakes over IPv6, then switches to IPv4 for everything else. What is an IPv6 response supposed to look like, really? Or is the IPv6 for xrootd4 just "IPv6", usable for handshaking but not really usable? (I'm also involved in the HEPIX IPv6 working group, so we are testing all protocols we can find to see which of them really works with IPv6) //Tiggi, NDGF-T1 -- Ulf Tigerstedt || CSC Oy || NDGF Computing Environments group (NGI_FI and NGI_NDGF) deputy manager GSM +358503818558 || +35894572279 Keilaranta 14 || Espoo || Finland ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1