Hi all,
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.
Any help would be appreciated!
Many thanks,
Tony
Config across the 2 units is identical:
cor2:
lag "COR3-COR2" dynamic id 1
ports ethernet 1/19 to 1/20
primary-port 1/20
lacp-timeout short
deploy
port-name "--- cor3.adl6 eth 1/19 ---" ethernet 1/19
port-name "--- cor3.adl6 eth 1/20 ---" ethernet 1/20
!
cor3:
lag "COR3-COR2" dynamic id 1
ports ethernet 1/19 to 1/20
primary-port 1/20
lacp-timeout short
deploy
port-name "--- cor2.adl6 eth 1/19 ---" ethernet 1/19
port-name "--- cor2.adl6 eth 1/20 ---" ethernet 1/20
sh LAG looks like:
cor2:
Total number of LAGs: 1
Total number of deployed LAGs: 1
Total number of trunks created:1 (63 available)
LACP System Priority / ID: 1 / 748e.f861.d081
LACP Long timeout: 90, default: 90
LACP Short timeout: 3, default: 3
=== LAG "COR3-COR2" ID 1 (dynamic Deployed) ===
LAG Configuration:
Ports: e 1/19 to 1/20
Port Count: 2
Primary Port: 1/20
Trunk Type: hash-based
forward_all_protocol: Disabled
LACP Key: 100
LACP Timeout: short
Port Individual Configuration:
Port Name
1/19 --- cor3.adl6 eth 1/19 ---
1/20 --- cor3.adl6 eth 1/20 ---
Deployment: Trunk ID 1, Active Primary 1/20, base fid: 0x0000
Port Link Port-State Dupl Speed Trunk Tag Priori MAC Name
Type
1/19 Up LACP-BLOCKEDFull 1G 1 Yes level0 748e.f861.d081 ---
cor3.adl6 edefault-port
1/20 Up Forward Full 1G 1 Yes level0 748e.f861.d081 ---
cor3.adl6 edefault-port
Port [Sys P] [Port P] [ Key ] [Act][Tio][Agg][Syn][Col][Dis][Def][Exp][Ope]
1/19 1 1 100 Yes S Agg Syn No No Def No Blo
1/20 1 1 100 Yes S Agg Syn Col Dis No No Ope
cor3:
Total number of LAGs: 1
Total number of deployed LAGs: 1
Total number of trunks created:1 (127 available)
LACP System Priority / ID: 1 / 0012.f2f2.8000
LACP Long timeout: 90, default: 90
LACP Short timeout: 3, default: 3
=== LAG "COR3-COR2" ID 1 (dynamic Deployed) ===
LAG Configuration:
Ports: e 1/19 to 1/20
Port Count: 2
Primary Port: 1/20
Trunk Type: hash-based
LACP Key: 100
LACP Timeout: short
Port Individual Configuration:
Port Name
1/19 --- cor2.adl6 eth 1/19 ---
1/20 --- cor2.adl6 eth 1/20 ---
Deployment: Trunk ID 1, Active Primary 1/20, base fid: 0x0800
Port Link Port-State Dupl Speed Trunk Tag Priori MAC Name
Type
1/19 Up LACP-BLOCKEDFull 1G 1 Yes level0 0012.f2f2.8000 ---
cor2.adl6 edefault-port
1/20 Up Forward Full 1G 1 Yes level0 0012.f2f2.8000 ---
cor2.adl6 edefault-port
Port [Sys P] [Port P] [ Key ] [Act][Tio][Agg][Syn][Col][Dis][Def][Exp][Ope]
1/19 1 1 100 Yes S Agg Syn No No No No Blo
1/20 1 1 100 Yes S Agg Syn Col Dis No No Ope
Logs from cor2 show the link coming up, the 1/19 remaining LACP_BLOCKED:
Apr 5 14:20:53:I:System: Interface ethernet 1/20, state up
Apr 5 14:20:53:W:LACP: ethernet 1/20 state changes from LACP-BLOCKED to FORWARD
Apr 5 14:20:53:I:LACP: Port 1/20 mux state transition: not aggregate ->
aggregate
Apr 5 14:20:53:I:LACP: Port 1/20 rx state transition: expired -> current
Apr 5 14:20:52:W:LACP: ethernet 1/20 state changes from DOWN to LACP-BLOCKED
Apr 5 14:20:52:I:PORT: 1/20 enabled by operator from console session.
Apr 5 14:20:52:I:PORT: 1/19 enabled by operator from console session.
Apr 5 14:20:51:I:LACP: Port 1/20 rx state transition: current -> expired
(reason: timeout)
Apr 5 14:20:49:I:PORT: 1/19 disabled by operator from console session.
Apr 5 14:20:49:I:PORT: 1/20 disabled by operator from console session.
Apr 5 14:20:49:N:MPLS: LDP entity session 210.5.32.155:0 with peer
210.5.32.156:0 is down
Apr 5 14:20:49:I:STP: VLAN VLAN: 5 - Bridge is RootBridge: 8000748ef861d082
(PortDown)
Apr 5 14:20:49:I:STP: VLAN VLAN: 5 Port 1/20 [Trunk 1] - Bridge TC Event
(PortDown)
Apr 5 14:20:49:W:LACP: ethernet 1/20 state changes from LACP-BLOCKED to DOWN
Apr 5 14:20:49:I:LACP: Port 1/20 mux state transition: aggregate -> not
aggregate (reason: peer is out of sync)
Apr 5 14:20:49:W:LACP: ethernet 1/20 state changes from FORWARD to LACP-BLOCKED
Apr 5 14:20:49:I:System: Interface ethernet 1/20, state down - disabled
tony clark
director - [email protected]
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