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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Whether it’s possible or not, there’s really no point. CUCM servers should generally never be pushing a Gig port to capacity, so there’s no benefit to forming a LACP link in terms of bandwidth. The fail over mechanism it uses is to fail from one physical link to another in the same Layer 2 domain (same VLAN), where it will transport the MAC from one interface to another automatically, thereby causing little to no downtime in case of a physical link failure.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>LACP would just add complications to both the link coming up and maintaining the system, and considering there is no real benefit in practice, it isn’t worth the hassle.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Matthew Ballard<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Network Manager<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Otis College of Art and Design<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>mballard@otis.edu<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On Behalf Of </b>Michel L. M. B. Perez<br><b>Sent:</b> Tuesday, October 18, 2011 10:12 AM<br><b>To:</b> Matthew Saskin<br><b>Cc:</b> cisco-voip@puck.nether.net<br><b>Subject:</b> Re: [cisco-voip] CUCM 8.0.3.20000-2 - Network Failover DOWN!<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>So are you saying to me is that on GB interface speed and duplex i need to set on auto, and LACP is not necessary to make connection redudant with my LAN? Itīs confused because we know that CUCM is based on RHEL, and I saw lotīs of configuration on internet with LACP with xenservers and linux machine to make Bond0 redundant connection with Cisco switches.<br><br>If I donīt have LACP from switch side to cucm server i have a little stop of communications when one of my cables be disconnected. <br><br>So LACP is not used with CUCM servers to make a redundant connection? Is impossible to do that?<o:p></o:p></p><div><p class=MsoNormal>--<o:p></o:p></p></div><div><p class=MsoNormal>Michel Perez<o:p></o:p></p></div><div><p class=MsoNormal>Skype: michelmbperez<o:p></o:p></p></div><div><p class=MsoNormal><a href="mailto:michelmbperez@gmail.com" target="_blank">michelmbperez@gmail.com</a><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><a href="http://br.linkedin.com/in/michelmbperez" target="_blank">http://br.linkedin.com/in/michelmbperez</a></span><o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><br><br><o:p></o:p></p><div><p class=MsoNormal>2011/10/15 Matthew Saskin <<a href="mailto:msaskin@gmail.com">msaskin@gmail.com</a>><o:p></o:p></p><p class=MsoNormal>You don't need the ether-channel configuration. For CUCM NIC teaming the switch ports should just be plain old access ports, no LACP. <br><span style='color:#888888'><br clear=all>-matthew</span><o:p></o:p></p><div><div><p class=MsoNormal style='margin-bottom:12.0pt'><br><br><o:p></o:p></p><div><p class=MsoNormal>On Sat, Oct 15, 2011 at 11:11 AM, dschulz <<a href="mailto:dschulz@skyline-ats.com" target="_blank">dschulz@skyline-ats.com</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal>Gig interface should be set to auto<br><br>Dave<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div></div><div><div><div><p class=MsoNormal style='margin-bottom:12.0pt'><br>On Oct 15, 2011, at 10:59 AM, "Buchanan, James" <<a href="mailto:jbuchanan@presidio.com" target="_blank">jbuchanan@presidio.com</a>> wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>For starters, your Ethernet interfaces on the server are set to auto negotiate, but on the switch are hard-coded. Big no-no. Change the switch side first.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:7.5pt;color:gray'>James Buchanan</span></b><span style='font-size:7.5pt;color:#7F7F7F'>|</span><b><span style='font-size:7.5pt;color:gray'> UC Technology Manager </span></b><span style='font-size:7.5pt;color:#7F7F7F'>|</span><span style='font-size:7.5pt;color:gray'> <b>Presidio South </b></span><span style='font-size:7.5pt;color:#7F7F7F'>|</span><b><span style='font-size:7.5pt;color:gray'> Presidio Networked Solutions </span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:7.5pt;color:gray'>12 Cadillac Dr Ste 130 Brentwood, TN 37027 </span></b><span style='font-size:7.5pt;color:#7F7F7F'>|</span><b><span style='font-size:7.5pt;color:gray'> </span></b><b><span style='font-size:11.0pt;color:#1F497D'><a href="mailto:jbuchanan@presidio.com" target="_blank"><span style='font-size:7.5pt'>jbuchanan@presidio.com</span></a></span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:7.5pt;color:gray'>D: <a href="tel:615-866-5729" target="_blank">615-866-5729</a></span></b><span style='font-size:7.5pt;color:gray'> </span><span style='font-size:7.5pt;color:#7F7F7F'>|</span><span style='font-size:7.5pt;color:gray'> <b>F:<a href="tel:615-866-5781" target="_blank">615-866-5781</a></b> </span><span style='font-size:11.0pt;color:#1F497D'><a href="http://www.presidio.com/" target="_blank" title="blocked::http://www.presidio.com/"><b><span style='font-size:7.5pt'>www.presidio.com</span></b></a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:10.0pt'>From:</span></b><span style='font-size:10.0pt'> <a href="mailto:cisco-voip-bounces@puck.nether.net" target="_blank">cisco-voip-bounces@puck.nether.net</a> [mailto:<a href="mailto:cisco-voip-bounces@puck.nether.net" target="_blank">cisco-voip-bounces@puck.nether.net</a>] <b>On Behalf Of </b>Michel L. M. B. Perez<br><b>Sent:</b> Saturday, October 15, 2011 9:41 AM<br><b>To:</b> <a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br><b>Subject:</b> [cisco-voip] CUCM 8.0.3.20000-2 - Network Failover DOWN!</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hello Peolple,<br><br>I have TWO DC, my publisher is connected to a Cisco 6504 Switch and de Subscriber is connected to 6509, my problem is that iīve enabled bond0 interface (nic teaming at this two MCS7835 servers), but the port-channel is not coming up neither from the server side and from the switch side, anyone here has this working? Here are some outputs from my 6509.<br><br>Server Config<br><br>admin:show network failover<br>Bond 0<br>DHCP : disabled Status : up<br>IP Address : 10.5.3.216 IP Mask : 255.255.000.000<br>Link Detected: no Mode : Auto disabled, N/A, N/A<br><br>Ethernet 0<br>DHCP : disabled Status : up<br>IP Address : IP Mask :<br>Link Detected: yes Mode : Auto enabled, Full, 1000MB/s<br><br>Ethernet 1<br>DHCP : disabled Status : up<br>IP Address : IP Mask :<br>Link Detected: yes Mode : Auto enabled, Full, 1000MB/s<br><br>DNS<br>Primary : 10.5.3.3 Secondary : 10.5.3.102<br>Options : timeout:5 attempts:2<br>Domain : xxx.xxx.xx<br>Gateway : 10.5.2.1 on Ethernet bond0<br><br>Switch Config<br><br>interface Port-channel11<br> description description #### LACP - SRV-CUCM-FLN02 ####<br> switchport<br> switchport mode access<br> spanning-tree portfast edge<br> spanning-tree bpduguard enable<br><br>interface GigabitEthernet1/41<br> description #### CUCM - ETH1 ####<br> switchport<br> switchport mode access<br> speed 1000<br> duplex full<br> no cdp enable<br> channel-group 11 mode active<br> spanning-tree portfast edge<br> spanning-tree bpduguard enable<br><br>interface GigabitEthernet1/42<br> description #### CUCM - ETH2 ####<br> switchport<br> switchport mode access<br> speed 1000<br> duplex full<br> no cdp enable<br> channel-group 11 mode active<br> spanning-tree portfast edge<br> spanning-tree bpduguard enable<br><br><br>SW_6509E(config-if-range)#do sh etherc 11 summ<br>Flags: D - down P - bundled in port-channel<br> I - stand-alone s - suspended<br> H - Hot-standby (LACP only)<br> R - Layer3 S - Layer2<br> U - in use N - not in use, no aggregation<br> f - failed to allocate aggregator<br><br> M - not in use, no aggregation due to minimum links not met<br> m - not in use, port not aggregated due to minimum links not met<br> u - unsuitable for bundling<br> d - default port<br><br> w - waiting to be aggregated<br>Number of channel-groups in use: 11<br>Number of aggregators: 12<br><br>Group Port-channel Protocol Ports<br>------+-------------+-----------+-----------------------------------------------<br>11 Po11(SD) LACP Gi1/41(I) Gi1/42(I)<br><br>Last applied Hash Distribution Algorithm: -<br><br>SW_6509E(config-if-range)#<br><br><br clear=all><o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>--<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Michel Perez<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Skype: michelmbperez<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a href="mailto:michelmbperez@gmail.com" target="_blank">michelmbperez@gmail.com</a><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'><a href="http://br.linkedin.com/in/michelmbperez" target="_blank">http://br.linkedin.com/in/michelmbperez</a></span><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div></blockquote></div></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>_______________________________________________<br>cisco-voip mailing list<br><a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br><a href="https://puck.nether.net/mailman/listinfo/cisco-voip" target="_blank">https://puck.nether.net/mailman/listinfo/cisco-voip</a><o:p></o:p></p></div></blockquote></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>cisco-voip mailing list<br><a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br><a href="https://puck.nether.net/mailman/listinfo/cisco-voip" target="_blank">https://puck.nether.net/mailman/listinfo/cisco-voip</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>cisco-voip mailing list<br><a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br><a href="https://puck.nether.net/mailman/listinfo/cisco-voip" target="_blank">https://puck.nether.net/mailman/listinfo/cisco-voip</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>