Hi Mike<div><br></div><div>thanks for sharing this limitation.</div><div>According to our network guys the 1024 arp table limitation is not a problem since we use 4 C-class nets (<a href="http://10.10.10.6/22">10.10.10.6/22</a>). That network can maximal have 1022 Hosts (ARP Entries). So we should be fine with this network.</div>
<div><br></div><div>However what do I have to do to change the gateway and the network mask?</div><div><br></div><div>Thanks for help</div><div>Reto<br><br><div class="gmail_quote">2012/1/24 Mike King <span dir="ltr"><<a href="mailto:me@mpking.com">me@mpking.com</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Someone else correct me if I'm wrong,<div><br></div><div>But think that is considered a "bad idea."</div>
<div><a href="http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/rel_notes/6_1_4/cucm-rel_note-614.html#wp871286" target="_blank">http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/rel_notes/6_1_4/cucm-rel_note-614.html#wp871286</a>
</div><div><br></div><div>You would hit the hard limit of 1024 arp table entries.</div><div><br></div><div>This limitation exists all the way up to 8.5.1 (I could only find Cisco documentation referencing 6.1 quickly however)</div>
<div><br></div><div>Mike</div><div><br></div><div><br><br><div class="gmail_quote">On Tue, Jan 24, 2012 at 8:56 AM, Reto Gassmann <span dir="ltr"><<a href="mailto:voip@mrga.ch" target="_blank">voip@mrga.ch</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hello Group<div><br></div><div>because of a network change (larger subnets) we need to change the default gateway and the subnet mask of all of our CUCM 7.1(3a) and CUPS 7.0(8) servers.</div><div>The server IP addresses are not changed and stay the same.</div>
<div><br></div><div>Server1 (IP:10.10.10.6; SN:255.255.255.248; GW:10.10.10.1) -> (IP:10.10.10.6; SN:255.255.252.0; GW:10.10.8.1)</div><div>Server2 (IP:10.10.10.14; SN:255.255.255.248; GW:10.10.10.9) -> (IP:10.10.10.14; SN:255.255.252.0; GW:10.10.8.1) </div>
<div><br></div><div>Has anyone done that before and can advice my how to do that the easiest way.</div><div><br></div><div>Thanks</div><span><font color="#888888"><div>Reto</div>
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