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| Linux Forum Index » Linux - Red Hat Forum » Server listens on IP on NetworkInterface that is down... |
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Message |
| DaSteph... |
 Posted: Wed Apr 01, 2009 10:43 pm |
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Guest
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Hi,
on a RHEL 5.2 x64 I have troubles with deactivating a network
interface.
The Server has two NICs each in a different VLAN. eth0 (VLAN1) is up
and running.
eth1 (VLAN2) was running with IP w.x.y.z
Unfortunately, on the server I can still connect locally on the IP
w.x.y.z for ICMP ssh etc.
First I went for:
ifconfig eth1 down -> Still locally available
Afterwards I tried system-config-network, switched eth1 to DHCP and
state down, saved settings and went for
service network restart -> still a ssh connect on the IP w.x.y.z
I plugged of the ethernet cable -> still local connectivity
It seems like the old deactivated IP can still be used as a loopback
address.
The real problem is, that even Java is returning this address and
using for web service endpoints, as the system is still insisting that
this IP is alive. Unfortunatelyt the IP is only availably locally :(
I have another server with the same problem. I could fix the issue
with rebooting the machine. But this is not a otopin for my other
servers.
Is it somthing related with kernel caching?
Maybe you have any ideas?
Thanks in advance
regards
Stephan |
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