<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>There is 'IP ospf mtu-ignore'<br></div><div><br>On Sep 16, 2015, at 7:33 AM, Josh Galvez <<a href="mailto:josh@zevlag.com">josh@zevlag.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr">Greg,<div><br></div><div>Yes, you can determine the current MTU on any NetIron device by doing:</div><div><br></div><div>IP MTU</div><div>#show ip int e 1/6 | in mtu<br></div><div><div> encapsulation: ETHERNET, mtu: 1500</div><div><br></div><div>Interface Frame Size</div><div>#show int e 1/6 | in MTU<br></div><div> Internet address is <a href="http://10.9.1.17/27">10.9.1.17/27</a>, MTU 1548 bytes, encapsulation ethernet</div></div><div><br></div><div>Then change that MTU by:</div><div><br></div><div>conf t</div><div>int e 1/6</div><div>ip mtu DECIMAL # (IP packet mtu size, default:1500)</div><div class="gmail_extra"><div>ipv6 mtu DECIMAL # (IP packet mtu size, default:1500)</div><div><br></div><div>Or for details on making global ip mtu and frame size changes see:</div><div><br></div><div>Change MTU</div><div><a href="http://www.brocade.com/content/html/en/configuration-guide/netiron-05900-switchingguide/GUID-D87BD747-C4A4-4BF3-B12B-BD716A74075F.html">http://www.brocade.com/content/html/en/configuration-guide/netiron-05900-switchingguide/GUID-D87BD747-C4A4-4BF3-B12B-BD716A74075F.html</a><br></div><div><br></div><div>Change MTU Global</div><div><a href="http://www.brocade.com/content/html/en/configuration-guide/netiron-05900-switchingguide/GUID-44AB8F87-B478-4468-BEFB-63C71B2E665C.html">http://www.brocade.com/content/html/en/configuration-guide/netiron-05900-switchingguide/GUID-44AB8F87-B478-4468-BEFB-63C71B2E665C.html</a><br></div><div><br></div><div>Change Frame Size</div><div><a href="http://www.brocade.com/content/html/en/configuration-guide/netiron-05900-switchingguide/GUID-A9922886-E6E2-4191-A787-BE56E22B097F.html">http://www.brocade.com/content/html/en/configuration-guide/netiron-05900-switchingguide/GUID-A9922886-E6E2-4191-A787-BE56E22B097F.html</a><br></div><div><br></div></div><div class="gmail_extra">-Josh</div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Sep 16, 2015 at 4:10 AM, Gregory Agerba <span dir="ltr"><<a href="mailto:ga@hotmail.ch" target="_blank">ga@hotmail.ch</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div><div dir="ltr">Hi,<div><br></div><div>While trying to setup an OSPF session between a Brocade XMR 4000 and a Brocade CES2024C, I get the following error:</div><div><br></div><div>EXST/BDR</div><div><br></div><div>The same configuration between a Brocade CES and a CER works fine. I am guessing the problem has to do with MTU? Is there a way to force the mtu on the interface of the XMR, or any specific trick to be aware of?</div><div><br></div><div>Many Thanks,</div><div>Greg.</div> </div></div>
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