Comment 6 for bug 347622

It seems that this still isn't resolved. We're running Ubuntu 10.04 Enterprise Cloud and our scenario fits this one perfectly.

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uecadmin@cloudnc:~$ uname -a
Linux cloudnc 2.6.32-21-generic-pae #32-Ubuntu SMP Fri Apr 16 09:39:35 UTC 2010 i686 GNU/Linux

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uecadmin@cloudnc:~$ dpkg -l | grep iptables
ii iptables 1.4.4-2ubuntu2 administration tools for packet filtering an
uecadmin@cloudnc:~$ dpkg -l | grep eucalyptus
ii eucalyptus-common 1.6.2-0ubuntu30.2 Elastic Utility Computing Architecture - Com
ii eucalyptus-gl 1.6.2-0ubuntu30.2 Elastic Utility Computing Architecture - Log
ii eucalyptus-nc 1.6.2-0ubuntu30.2 Elastic Utility Computing Architecture - Nod

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uecadmin@cloudnc:~$ sudo iptables -L
[sudo] password for uecadmin:
Chain INPUT (policy ACCEPT)
target prot opt source destination
ACCEPT udp -- anywhere anywhere udp dpt:domain
ACCEPT tcp -- anywhere anywhere tcp dpt:domain
ACCEPT udp -- anywhere anywhere udp dpt:bootps
ACCEPT tcp -- anywhere anywhere tcp dpt:bootps

Chain FORWARD (policy ACCEPT)
target prot opt source destination
ACCEPT all -- anywhere 192.168.122.0/24 state RELATED,ESTABLISHED
ACCEPT all -- 192.168.122.0/24 anywhere
ACCEPT all -- anywhere anywhere
REJECT all -- anywhere anywhere reject-with icmp-port-unreachable
REJECT all -- anywhere anywhere reject-with icmp-port-unreachable
LOG udp -- anywhere anywhere udp spts:bootps:bootpc dpts:bootps:bootpc LOG level info

Chain OUTPUT (policy ACCEPT)
target prot opt source destination

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We checked the /usr/share/eucalyptus/populate_arp.pl file and indeed see the 'use Net::Ping;' in it.

Any thoughts?