Hi,
I have a machine that can't start cmsd/xrootd on the IPv4 interface and
prefers IPv6-only:
[root@cms-xrd-global01 ~]# netstat -plunta | grep "xrootd\|cmsd"
tcp6 0 0 :::1094 :::*
LISTEN 21496/xrootd
tcp6 0 0 :::1098 :::*
LISTEN 21497/cmsd
tcp6 0 0 :::2094 :::*
LISTEN 18113/xrootd
tcp6 0 0 2001:1458:201:e5::45532 2001:1458:301:69:::1098
ESTABLISHED 21496/xrootd
tcp6 0 0 2001:1458:201:e5::45994 2001:1458:201:a4:::1098
ESTABLISHED 21496/xrootd
udp 0 0 0.0.0.0:40819 0.0.0.0:*
21496/xrootd
ifconfig looks normal to me:
[root@cms-xrd-global01 ~]# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 188.184.29.87 netmask 255.255.255.0 broadcast 188.184.29.255
inet6 fe80::16:3eff:fe01:805e prefixlen 64 scopeid 0x20<link>
inet6 2001:1458:201:e5::100:49 prefixlen 128 scopeid 0x0<global>
ether 02:16:3e:01:80:5e txqueuelen 1000 (Ethernet)
RX packets 131401700 bytes 11719643914 (10.9 GiB)
RX errors 0 dropped 17 overruns 0 frame 0
TX packets 1222209 bytes 1214320471 (1.1 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
The other, supposedly identical, host starts on both interfaces, IPv4
and IPv6:
[root@cms-xrd-global02 ~]# netstat -plunta | grep "xrootd\|cmsd"
tcp 0 0 188.184.30.79:50006 188.184.161.66:1098
ESTABLISHED 1367/xrootd
tcp 0 0 188.184.30.79:34626 188.184.67.41:1098
ESTABLISHED 1367/xrootd
tcp6 0 0 :::1094 :::*
LISTEN 1367/xrootd
tcp6 0 0 :::1098 :::*
LISTEN 1364/cmsd
tcp6 0 0 :::2094 :::*
LISTEN 1370/xrootd
udp 0 0 0.0.0.0:60460 0.0.0.0:*
1364/cmsd
udp 0 0 0.0.0.0:57015 0.0.0.0:*
1367/xrootd
udp 0 0 0.0.0.0:59700 0.0.0.0:*
1367/xrootd
udp6 0 0 :::33509 :::*
1364/cmsd
udp6 0 0 :::50038 :::*
1367/xrootd
Both machines use xrootd version 4.11.2.
Thoughts, please?
Thanks,
Marian
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