NFS mount Connection Time Out

[MrDeluxe]

Hallo,

ich versuche vom NFS-Client (Ubuntu 12.04) auf den NFS-Server (Debian-Lenny) zuzugreifen. Leider bisher ohne Erfolg. Ich kanns mir nicht erklären und bitte daher um Hilfe.


CLIENT:
___________


mount -t nfs -o vers=3 192.168.66.78:/var/nfs /mnt/ -vvv

mount: fstab path: "/etc/fstab"
mount: mtab path: "/etc/mtab"
mount: lock path: "/etc/mtab~"
mount: temp path: "/etc/mtab.tmp"
mount: UID: 0
mount: eUID: 0
mount: spec: "192.168.66.78:/var/nfs"
mount: node: "/mnt/"
mount: types: "nfs"
mount: opts: "vers=3"
mount: external mount: argv[0] = "/sbin/mount.nfs"
mount: external mount: argv[1] = "192.168.66.78:/var/nfs"
mount: external mount: argv[2] = "/mnt/"
mount: external mount: argv[3] = "-v"
mount: external mount: argv[4] = "-o"
mount: external mount: argv[5] = "rw,vers=3"
mount.nfs: timeout set for Sat Jan 19 19:23:48 2013
mount.nfs: trying text-based options 'vers=3,addr=192.168.66.78'
mount.nfs: prog 100003, trying vers=3, prot=6
mount.nfs: trying 192.168.66.78 prog 100003 vers 3 prot TCP port 2049
mount.nfs: prog 100005, trying vers=3, prot=17
mount.nfs: trying 192.168.66.78 prog 100005 vers 3 prot UDP port 59337


mount.nfs: mount(2): Connection timed out

showmount -e 192.168.66.78

Export list for 192.168.66.78:
/var/nfs 192.168.66.0/255.255.255.0

SERVER:
___________


tcpdump -i bond0 |grep nfs

tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on bond0, link-type EN10MB (Ethernet), capture size 96 bytes



19:37:55.202734 IP 192.168.66.2.0 > 192.168.66.78.nfs: 0 null
19:37:55.202742 IP 192.168.66.78.nfs > 192.168.66.2.0: reply ok 0 null
19:37:55.202848 IP 192.168.66.2.56926 > 192.168.66.78.nfs: . ack 4039400345 win 1460 <nop,nop,timestamp 62535459 2927067>
19:37:55.202929 IP 192.168.66.2.280131071 > 192.168.66.78.nfs: 44 null
19:37:55.202937 IP 192.168.66.78.nfs > 192.168.66.2.56926: . ack 44 win 46 <nop,nop,timestamp 2927067 62535459>
19:37:55.202957 IP 192.168.66.78.nfs > 192.168.66.2.280131071: reply ok 28 null
19:37:55.203102 IP 192.168.66.2.56926 > 192.168.66.78.nfs: . ack 29 win 1460 <nop,nop,timestamp 62535459 2927067>
19:37:55.203167 IP 192.168.66.2.56926 > 192.168.66.78.nfs: F 44:44(0) ack 29 win 1460 <nop,nop,timestamp 62535459 2927067>
19:37:55.203179 IP 192.168.66.78.nfs > 192.168.66.2.56926: F 29:29(0) ack 45 win 46 <nop,nop,timestamp 2927067 62535459>
19:37:55.203345 IP 192.168.66.2.56926 > 192.168.66.78.nfs: . ack 30 win 1460 <nop,nop,timestamp 62535459 2927067>


^C175 packets captured
176 packets received by filter
0 packets dropped by kernel

ls -lisa

***
162881 4 drwxrwxrwx 2 root root 4096 12. Jan 23:06 nfs
****

cat /etc/exports

cat /etc/exports
# /etc/exports: the access control list for filesystems which may be exported
# to NFS clients. See exports(5).
#
# Example for NFSv2 and NFSv3:
# /srv/homes hostname1(rw,sync,no_subtree_check) hostname2(ro,sync,no_subtree_check)
#
# Example for NFSv4:
# /srv/nfs4 gss/krb5i(rw,sync,fsid=0,crossmnt,no_subtree_check)
# /srv/nfs4/homes gss/krb5i(rw,sync,no_subtree_check)
#

/var/nfs 192.168.66.0/255.255.255.0(rw,async,no_subtree_check)