Ok, danke für die Hinweise. Habs mal durchgeführt:
Pingprotokoll vom Server:
root@intranet:/# tcpdump -i eth1 src 10.145.1.101
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth1, link-type EN10MB (Ethernet), capture size 96 bytes
12:09:38.011813 IP 10.145.1.101 > 10.145.0.89: ICMP echo request, id 512, seq 19456, length 40
12:09:43.473836 IP 10.145.1.101 > 10.145.0.89: ICMP echo request, id 512, seq 19712, length 40
12:09:48.976958 IP 10.145.1.101 > 10.145.0.89: ICMP echo request, id 512, seq 19968, length 40
12:09:53.979076 IP 10.145.1.101 > 10.145.0.89: ICMP echo request, id 512, seq 20224, length 40
4 packets captured
4 packets received by filter
0 packets dropped by kernel
Pingprotokoll vom Client:
12:11:27.879355 IP rechner.domaene.local > intranet: ICMP echo request, id 512, seq 23296, length 40
12:11:33.330770 IP rechner.domaene.local > intranet: ICMP echo request, id 512, seq 23552, length 40
12:11:38.829045 IP rechner.domaene.local > intranet: ICMP echo request, id 512, seq 23808, length 40
12:11:44.327320 IP rechner.domaene.local > intranet: ICMP echo request, id 512, seq 24064, length 40
SSHprotokoll vom Server:
root@intranet:/# tcpdump -i eth1 src 10.145.1.101
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth1, link-type EN10MB (Ethernet), capture size 96 bytes
12:14:02.535250 IP 10.145.1.101.2590 > 10.145.0.89.ssh: Flags [S], seq 1323699038, win 64512, options [mss 1460,nop,nop,sackOK], length 0
12:14:05.524873 IP 10.145.1.101.2590 > 10.145.0.89.ssh: Flags [S], seq 1323699038, win 64512, options [mss 1460,nop,nop,sackOK], length 0
12:14:11.560706 IP 10.145.1.101.2590 > 10.145.0.89.ssh: Flags [S], seq 1323699038, win 64512, options [mss 1460,nop,nop,sackOK], length 0
3 packets captured
3 packets received by filter
0 packets dropped by kernel
SSHProtokoll vom Client:
12:13:25.561188 IP rechner.domaene.local.2598 > intranet.22: Flags [S], seq 992944672, win 64512, options [mss 1460,nop,nop,sackOK], length 0
12:13:28.482147 IP rechner.domaene.local.2598 > intranet.22: Flags [S], seq 992944672, win 64512, options [mss 1460,nop,nop,sackOK], length 0
12:13:34.417785 IP rechner.domaene.local.2598 > intranet.22: Flags [S], seq 992944672, win 64512, options [mss 1460,nop,nop,sackOK], length 0
Ping wird von der Firewall nicht geblockt. Die Clients im alten Netz kann ich anpingen.
Hoffe das ist aussagekräftig.