<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi all,<div><br></div><div>I've deployed a 2 x 1GE LAG between a CER ('cor2' - running 5.4c) and MLX ('cor3' - running 5.4b), using identical config. When I bring up the lag, the secondary port goes into LACP-BLOCKED state and I end up with no LAG. I feel like I must be missing something here - this works for me between 2 MLX's, but there seems to be a subtle difference between the MLX and CER on this issue.</div><div><br></div><div>Any help would be appreciated!</div><div><br></div><div>Many thanks,</div><div><br></div><div>Tony</div><div><br></div><div><br></div><div>Config across the 2 units is identical:</div><div><br></div><div>cor2:</div><div><br></div><div><div>lag "COR3-COR2" dynamic id 1</div><div> ports ethernet 1/19 to 1/20 </div><div> primary-port 1/20</div><div> lacp-timeout short</div><div> deploy</div><div> port-name "--- cor3.adl6 eth 1/19 ---" ethernet 1/19</div><div> port-name "--- cor3.adl6 eth 1/20 ---" ethernet 1/20</div><div>!</div></div><div><br></div><div>cor3:</div><div><br></div><div><div>lag "COR3-COR2" dynamic id 1</div><div> ports ethernet 1/19 to 1/20 </div><div> primary-port 1/20</div><div> lacp-timeout short</div><div> deploy</div><div> port-name "--- cor2.adl6 eth 1/19 ---" ethernet 1/19</div><div> port-name "--- cor2.adl6 eth 1/20 ---" ethernet 1/20</div></div><div><br></div><div>sh LAG looks like:</div><div><br></div><div>cor2:</div><div><br></div><div><div>Total number of LAGs: 1</div><div>Total number of deployed LAGs: 1</div><div>Total number of trunks created:1 (63 available)</div><div>LACP System Priority / ID: 1 / 748e.f861.d081</div><div>LACP Long timeout: 90, default: 90</div><div>LACP Short timeout: 3, default: 3</div><div><br></div><div>=== LAG "COR3-COR2" ID 1 (dynamic Deployed) ===</div><div>LAG Configuration:</div><div> Ports: e 1/19 to 1/20 </div><div> Port Count: 2</div><div> Primary Port: 1/20</div><div> Trunk Type: hash-based</div><div> forward_all_protocol: Disabled</div><div> LACP Key: 100</div><div> LACP Timeout: short</div><div><br></div><div>Port Individual Configuration:</div><div> Port Name </div><div> 1/19 --- cor3.adl6 eth 1/19 --- </div><div> 1/20 --- cor3.adl6 eth 1/20 --- </div><div><br></div><div>Deployment: Trunk ID 1, Active Primary 1/20, base fid: 0x0000</div><div> </div><div>Port Link Port-State Dupl Speed Trunk Tag Priori MAC Name Type </div><div>1/19 Up LACP-BLOCKEDFull 1G 1 Yes level0 748e.f861.d081 --- cor3.adl6 edefault-port </div><div>1/20 Up Forward Full 1G 1 Yes level0 748e.f861.d081 --- cor3.adl6 edefault-port </div><div><br></div><div>Port [Sys P] [Port P] [ Key ] [Act][Tio][Agg][Syn][Col][Dis][Def][Exp][Ope]</div><div>1/19 1 1 100 Yes S Agg Syn No No Def No Blo</div><div>1/20 1 1 100 Yes S Agg Syn Col Dis No No Ope</div><div><br></div></div><div>cor3:</div><div><br></div><div><div>Total number of LAGs: 1</div><div>Total number of deployed LAGs: 1</div><div>Total number of trunks created:1 (127 available)</div><div>LACP System Priority / ID: 1 / 0012.f2f2.8000</div><div>LACP Long timeout: 90, default: 90</div><div>LACP Short timeout: 3, default: 3</div><div><br></div><div>=== LAG "COR3-COR2" ID 1 (dynamic Deployed) ===</div><div>LAG Configuration:</div><div> Ports: e 1/19 to 1/20 </div><div> Port Count: 2</div><div> Primary Port: 1/20</div><div> Trunk Type: hash-based</div><div> LACP Key: 100</div><div> LACP Timeout: short</div><div><br></div><div>Port Individual Configuration:</div><div> Port Name </div><div> 1/19 --- cor2.adl6 eth 1/19 --- </div><div> 1/20 --- cor2.adl6 eth 1/20 --- </div><div><br></div><div>Deployment: Trunk ID 1, Active Primary 1/20, base fid: 0x0800</div><div><br></div><div>Port Link Port-State Dupl Speed Trunk Tag Priori MAC Name Type </div><div>1/19 Up LACP-BLOCKEDFull 1G 1 Yes level0 0012.f2f2.8000 --- cor2.adl6 edefault-port </div><div>1/20 Up Forward Full 1G 1 Yes level0 0012.f2f2.8000 --- cor2.adl6 edefault-port </div><div><br></div><div>Port [Sys P] [Port P] [ Key ] [Act][Tio][Agg][Syn][Col][Dis][Def][Exp][Ope]</div><div>1/19 1 1 100 Yes S Agg Syn No No No No Blo</div><div>1/20 1 1 100 Yes S Agg Syn Col Dis No No Ope</div></div><div><br></div><div>Logs from cor2 show the link coming up, the 1/19 remaining LACP_BLOCKED:</div><div><br></div><div><div><div>Apr 5 14:20:53:I:System: Interface ethernet 1/20, state up</div><div>Apr 5 14:20:53:W:LACP: ethernet 1/20 state changes from LACP-BLOCKED to FORWARD</div><div>Apr 5 14:20:53:I:LACP: Port 1/20 mux state transition: not aggregate -> aggregate </div><div>Apr 5 14:20:53:I:LACP: Port 1/20 rx state transition: expired -> current </div><div>Apr 5 14:20:52:W:LACP: ethernet 1/20 state changes from DOWN to LACP-BLOCKED</div><div>Apr 5 14:20:52:I:PORT: 1/20 enabled by operator from console session.</div><div>Apr 5 14:20:52:I:PORT: 1/19 enabled by operator from console session.</div><div>Apr 5 14:20:51:I:LACP: Port 1/20 rx state transition: current -> expired (reason: timeout)</div><div>Apr 5 14:20:49:I:PORT: 1/19 disabled by operator from console session.</div><div>Apr 5 14:20:49:I:PORT: 1/20 disabled by operator from console session.</div><div>Apr 5 14:20:49:N:MPLS: LDP entity session 210.5.32.155:0 with peer 210.5.32.156:0 is down</div><div>Apr 5 14:20:49:I:STP: VLAN VLAN: 5 - Bridge is RootBridge: 8000748ef861d082 (PortDown)</div><div>Apr 5 14:20:49:I:STP: VLAN VLAN: 5 Port 1/20 [Trunk 1] - Bridge TC Event (PortDown)</div><div>Apr 5 14:20:49:W:LACP: ethernet 1/20 state changes from LACP-BLOCKED to DOWN</div><div>Apr 5 14:20:49:I:LACP: Port 1/20 mux state transition: aggregate -> not aggregate (reason: peer is out of sync)</div><div>Apr 5 14:20:49:W:LACP: ethernet 1/20 state changes from FORWARD to LACP-BLOCKED</div><div>Apr 5 14:20:49:I:System: Interface ethernet 1/20, state down - disabled</div></div></div><div><br></div><div><br></div><div><br></div><div><div><div>
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