<html><body bgcolor="#FFFFFF"><div><div><br></div><div>Config snippets may help to work this out.</div><div><br></div><div>By 'secondary IP' how is this configured on the cisco, and why?</div><div><br></div><div>Rob<br><br>-- <div>Robert Lister</div></div><div><br><br></div><blockquote type="cite"><div>Provider assigned a /30 say <a href="http://172.16.0.0/30">172.16.0.0/30</a> -> his IP is say <a href="http://172.16.0.1/30">172.16.0.1/30</a><br>
Switch A is not assigned an IP on the /27. This switch is simple all L2 (tagged/untagged or trunk/access ports)<br>Switch B is assigned an IP from a /27 say <a href="http://192.168.0.4/27">192.168.0.4/27</a><br>Switch C is assigned an IP from a /27 say <a href="http://192.168.0.2/27">192.168.0.2/27</a><br>
Main Router is assigned an IP from a /27 say <a href="http://192.168.0.1/27">192.168.0.1/27</a> and the secondary IP is <a href="http://172.16.0.2/30">172.16.0.2/30</a><br><br><br>
sh iparp<br>Destination Mac Age Static VLAN [VID] Port<br>192.168.0.1 mac-address-here 0 NO vlan-name-here [0002] 1<br> Dynamic Entries: 1 Static Entries: 0<br>
Pending Entries: 0<br> Out Request: 16 Out Response: 11<br> In Request: 1875 In Response: 19<br> Proxy Answered: 0<br> Rx Error: 0 Dup IP Addr: 0<br>
Rejected count: 480 Rejected IP: 172.16.0.2<br> Rejected Port: 1 Rejected I/F: transport<br></div></blockquote></div><div></div></body></html>