> Pings from the same subnet work for all of the interfaces/ip addresses > Pings from other subnets only work for the primary interface/address.
Do you have a firewall blocking ping (aka ICMP echo-request)? Sounds like a firewall problem. Are you talking about outgoing pings or incoming pings? I assume you mean incoming pings from some remote host to your address, right? Is anything logged to /var/log/kern.log? (Hoping to see kernel messages showing packets being blocked there.) > And...form the machine in question; > ~# ip route show > 10.25.48.0/24 dev eth0 proto kernel scope link src 10.25.48.140 > default via 10.25.48.254 dev eth0 That looks okay. It matches what I see on my machines with multiple addresses. Your additional IP addresses are all on the same subnet and therefore the local subnet route 10.25.48.0/24 through dev eth0 will work for all of them. You only need one route. > but on a lenny box with this setup that is working I see default > routes for each of the IP addresses. What additional routes do you see on the Lenny machine for the additional IP addresses? (I am still thinking it is a firewall blocking ping on the other addresses. But I am curious.) Bob
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