Exos-VM port-sharing causes link-flap and no working lacp

[cristian84]

Hello!

I am facing issues when configuring a shared port in exos-vm.

I downloaded from here: https://github.com/extremenetworks/Virtual_EXOS 

Version: EXOS-VM_v32.1.1.6.qcow2  

I use GNS3 VM and web-client to access the GNS3 server area.

This is a simple setup:

* EXOS-VM.2 # show sharing
Load Sharing Monitor
Config    Current Agg     Min    Ld Share        Ld Share  Agg Link  Link Up
Master    Master  Control Active Algorithm Flags Group     Mbr State Transitions
================================================================================
     1            LACP       1              A     1         -     R       3
                                                  2         -     R       2
================================================================================
Link State: A-Active, D-Disabled, R-Ready, NP-Port not present, L-Loopback
Minimum Active: (<) Group is down. # active links less than configured minimum
Load Sharing Algorithm: (L2) Layer 2 address based
                        (L3_L4) Layer 3 address and Layer 4 port based
Flags:
    A - All: Distribute to all members,
    d - Dynamically created shared port,
    L - Local Slot: Distribute to members local to ingress slot,
    P - Port Lists: Distribute to per-slot configurable subset of members,
    R - Resilient Hashing enabled.
Number of load sharing trunks: 1

* EXOS-VM.3 # show sharing
Load Sharing Monitor
Config    Current Agg     Min    Ld Share        Ld Share  Agg Link  Link Up
Master    Master  Control Active Algorithm Flags Group     Mbr State Transitions
================================================================================
     1            LACP       1              A     1         -     R      44
                                                  2         -     A      51
================================================================================
Link State: A-Active, D-Disabled, R-Ready, NP-Port not present, L-Loopback
Minimum Active: (<) Group is down. # active links less than configured minimum
Load Sharing Algorithm: (L2) Layer 2 address based
                        (L3_L4) Layer 3 address and Layer 4 port based
Flags:
    A - All: Distribute to all members,
    d - Dynamically created shared port,
    L - Local Slot: Distribute to members local to ingress slot,
    P - Port Lists: Distribute to per-slot configurable subset of members,
    R - Resilient Hashing enabled.
Number of load sharing trunks: 1

Log indicates link flapping

* EXOS-VM.6 # show log
08/09/2023 07:34:28.77 <Info:vlan.msgs.portLinkStateUp> Port 2 link UP at speed 100 Mbps and full-duplex
08/09/2023 07:34:28.57 <Info:vlan.msgs.portLinkStateUp> Port 1 link UP at speed 100 Mbps and full-duplex
08/09/2023 07:34:27.26 <Info:vlan.msgs.portLinkStateDown> Port 2 link down
08/09/2023 07:34:26.66 <Info:vlan.msgs.portLinkStateUp> Port 2 link UP at speed 100 Mbps and full-duplex
08/09/2023 07:34:26.61 <Info:vlan.msgs.portLinkStateDown> Port 2 link down
08/09/2023 07:34:26.61 <Info:vlan.msgs.portLinkStateUp> Port 2 link UP at speed 100 Mbps and full-duplex
08/09/2023 07:34:26.47 <Info:vlan.dbg.info> Port 2 is Down, remove from aggregator 1
08/09/2023 07:34:26.47 <Info:vlan.msgs.portLinkStateDown> Port 2 link down
08/09/2023 07:34:26.34 <Info:vlan.dbg.info> Port 1 is Down, remove from aggregator 1
08/09/2023 07:34:26.34 <Info:vlan.msgs.portLinkStateDown> Port 1 link down

* EXOS-VM.3 # show log
08/09/2023 07:36:54.19 <Info:vlan.msgs.portLinkStateDown> Port 1 link down
08/09/2023 07:36:53.59 <Info:vlan.msgs.portLinkStateUp> Port 1 link UP at speed 100 Mbps and full-duplex
08/09/2023 07:36:53.54 <Info:vlan.msgs.portLinkStateDown> Port 1 link down
08/09/2023 07:36:53.53 <Info:vlan.msgs.portLinkStateUp> Port 1 link UP at speed 100 Mbps and full-duplex
08/09/2023 07:36:53.40 <Info:vlan.dbg.info> Port 1 is Down, remove from aggregator 1
08/09/2023 07:36:53.40 <Info:vlan.msgs.portLinkStateDown> Port 1 link down
08/09/2023 07:36:53.24 <Info:vlan.dbg.info> Port 2 is Down, remove from aggregator 1
08/09/2023 07:36:53.23 <Info:vlan.msgs.portLinkStateDown> Port 2 link down

Is there limitations in Exos-VM for GNS3 regarding sharing? Maybe another release is working?

Br,

Cristian

[OscarK]

I dont know if lacp works with GNS3, I would use static links. But then, that would not solve the link flapping. Maybe something with the host running gns3 is running out of resources or too much CPU ?

[cristian84 · Accepted solution]

Thank you for reply.

I have update on this, it seems to be issues when using GNS3-VM and Web-mode on top of VMware.

I have installed GNS3 locally on pc with windows 10 using hyper-v and it works.

Br,

Cristian