12-10-2021 03:34 PM
Hey,
I am doing a project for school and i have to configure Etherchannel. I am trying to configure layer 3 channel between Cisco iol and Aruba CX in Eve-ng.
Cisco(e1/0-3) -------------------Aruba(1/1/5-8)
When I configure them for some reason on Cisco switch interface 1/0 and 1/1 are working but 1/2 and 1/3 are suspended, on Aruba 1/1/5 and 1/1/6 are blocked/suspended but 1/1/7 and 1/1/8 are working.
When I do on same switches, Cisco on Cisco and Aruba on Aruba, everything works and I can ping but only when I do Cisco and Aruba somethings wrong.
Below is configuration of Cisco and Aruba
Cisco:
interface port-channel 1
no switchport
ip address 192.168.0.1 255.255.255.0
no shutdown
exit
interface range ethernet 1/0-3
no switchport
channel-group 1 mode active
no shutdown
exit
Switch(config)#do show etherchannel summary
Flags: D - down P - bundled in port-channel
I - stand-alone s - suspended
H - Hot-standby (LACP only)
R - Layer3 S - Layer2
U - in use N - not in use, no aggregation
f - failed to allocate aggregator
M - not in use, minimum links not met
m - not in use, port not aggregated due to minimum links not met
u - unsuitable for bundling
w - waiting to be aggregated
d - default port
A - formed by Auto LAG
Number of channel-groups in use: 1
Number of aggregators: 1
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
1 Po1(RU) LACP Et1/0(P) Et1/1(P) Et1/2(s)
Et1/3(s)
Aruba:
interface lag 1
ip address 192.168.0.2 255.255.255.0
lacp mode active
no shutdown
exit
interface 1/1/5
lag 1
no shutdown
exit
interface 1/1/6
lag 1
no shutdown
exit
interface 1/1/7
lag 1
no shutdown
exit
interface 1/1/8
lag 1
no shutdown
exit
switch(config)# show lacp interfaces
State abbreviations :
A - Active P - Passive F - Aggregable I - Individual
S - Short-timeout L - Long-timeout N - InSync O - OutofSync
C - Collecting D - Distributing
X - State m/c expired E - Default neighbor state
Actor details of all interfaces:
----------------------------------------------------------------------------------
Intf Aggr Port Port State System-ID System Aggr Forwarding
Name Id Pri Pri Key State
----------------------------------------------------------------------------------
1/1/5 lag1 6 1 ALFOE 08:00:09:8c:5f:a9 65534 1 lacp-block
1/1/6 lag1 7 1 ALFOE 08:00:09:8c:5f:a9 65534 1 lacp-block
1/1/7 lag1 8 1 ALFNCD 08:00:09:8c:5f:a9 65534 1 up
1/1/8 lag1 9 1 ALFNCD 08:00:09:8c:5f:a9 65534 1 up
What am I doing wrong?
Thank you.
12-10-2021 11:05 PM
- Check this document and or look for examples :
M.
12-11-2021 12:12 AM
Hello,
configs look ok, you don't really have many options. What if you set the Aruba side to lacp passive (shut/no shut the lag interface)?
interface lag 1
ip address 192.168.0.2 255.255.255.0
lacp mode passive
no shutdown
exit
12-12-2021 07:26 AM
Aruba CX is a virtual switch. Hope you evaluated with changing different parameters as active, & passive, and active & Active.
One thing comes to mind as did you know the maximum limit of member ports of an EtherChannel for this Aruba switch? Did you change this value?
12-13-2021 02:06 AM - edited 12-13-2021 02:07 AM
Hello
Try enabling udld on the physical ports of the lag
int 1/1/5,1/1/6
udld
sh vsx-status
sh vsx-status vsx-peer
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