Red Hat Bugzilla – Bug 1021489
initscripts does not respect ARPCHECK setting
Last modified: 2015-02-18 06:37:41 EST
Description of problem: ARPCHECK is not respected. If I am setting ARPCHECK1="no", still the duplication message appears. Version-Release number of selected component (if applicable): initscripts-9.47-1.fc19.x86_64 How reproducible: Always. Steps to Reproduce: 1. Make a computer on the network to always respond to arp requests (I have a Cisco that is doing it). 2. Add ARPCHECK="no" 3. Restart network. Actual results: Error, some other host already uses address x.x.x.x. Expected results: No output. Additional info: The problem is in ifup-eth: when REALDEVICE="ethx", ARPCHECK[idx]=no, [ "${REALDEVICE}" != "lo" ] && [ "${arpcheck[$idx]}" != "no" ] evaluates to "1". And the error message is shown and sadly, an "exit 1" is performed. I will rewrite that code like this: if [ "${REALDEVICE}" != "lo" ]; then if [ "${arpcheck[${idx}}]" != "no" ]; then /sbin/arping -q -c 2 -w 3 -D -I ${REALDEVICE} ${ipaddr[$idx]} if [ "${?}" = "1" ]; then net_log $"Error, some other host already uses address ${ipaddr[$idx]}." exit 1 fi fi fi Thank you!
I think this was fixed in 9.48 https://git.fedorahosted.org/cgit/initscripts.git/commit/?id=ce8b72f604079a5516a12f840ed6a64629b0131e I will backport it.
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