Damien Arnodo Damien
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  • Joined on 2025-08-22
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Damien commented on issue Damien/arista-evpn-vxlan-clab#11 2025-11-29 17:33:55 +00:00
Host LACP bonding - Hybrid approach: ifupdown for bond + ip commands for VLAN

Debugging VLAN Interface Issue

Let me gather more diagnostic information:

Check 1: Is the 8021q module loaded?

docker exec clab-arista-evpn-fabric-host1 lsmod
Damien commented on issue Damien/arista-evpn-vxlan-clab#11 2025-11-29 17:33:42 +00:00
Host LACP bonding - Hybrid approach: ifupdown for bond + ip commands for VLAN

❌ VLAN Interface Creation Failing

Current Problem

The VLAN sub-interface creation is failing on host1:

/ # ifup -a
ip: RTNETLINK answers: File exists
ifup: interface bond0 already…
Damien reopened issue Damien/arista-evpn-vxlan-clab#11 2025-11-29 17:33:25 +00:00
Host LACP bonding - Hybrid approach: ifupdown for bond + ip commands for VLAN
Damien commented on issue Damien/arista-evpn-vxlan-clab#1 2025-11-29 17:30:47 +00:00
Fixes from fix-bgp-and-mlag branch integrated to main

🎉 Host Interface Configuration Complete - Ready for Deployment

New Work Completed (November 29, 2024)

All host interface configuration files have been created using persistent binds…

Damien closed issue Damien/arista-evpn-vxlan-clab#11 2025-11-29 17:30:09 +00:00
Host LACP bonding - Hybrid approach: ifupdown for bond + ip commands for VLAN
Damien commented on issue Damien/arista-evpn-vxlan-clab#11 2025-11-29 17:29:51 +00:00
Host LACP bonding - Hybrid approach: ifupdown for bond + ip commands for VLAN

✅ Host Interface Configuration Complete

All host interface configuration files have been created and the topology has been updated to use persistent configuration via binds.

Files…

Damien pushed to fix-bgp-and-mlag at Damien/arista-evpn-vxlan-clab 2025-11-29 17:25:48 +00:00
c0f680a0b6 Add README for hosts directory explaining interface configuration files
Damien pushed to fix-bgp-and-mlag at Damien/arista-evpn-vxlan-clab 2025-11-29 17:25:29 +00:00
417b3fc245 Add comprehensive host interface configuration documentation
Damien pushed to fix-bgp-and-mlag at Damien/arista-evpn-vxlan-clab 2025-11-29 17:24:56 +00:00
383a631d92 Update topology to use binds for host interface configuration
Damien pushed to fix-bgp-and-mlag at Damien/arista-evpn-vxlan-clab 2025-11-29 17:24:01 +00:00
3eedb0786c Add host4 network interfaces config with LACP bonding for VLAN 78
Damien pushed to fix-bgp-and-mlag at Damien/arista-evpn-vxlan-clab 2025-11-29 17:23:56 +00:00
25cc7a4dae Add host3 network interfaces config with LACP bonding for VLAN 40
Damien pushed to fix-bgp-and-mlag at Damien/arista-evpn-vxlan-clab 2025-11-29 17:23:47 +00:00
7c5d65558b Add host2 network interfaces config with LACP bonding for VLAN 34
Damien pushed to fix-bgp-and-mlag at Damien/arista-evpn-vxlan-clab 2025-11-29 17:20:39 +00:00
9ddf594862 Add host1 network interfaces config with LACP bonding
Damien pushed to fix-bgp-and-mlag at Damien/arista-evpn-vxlan-clab 2025-11-29 17:04:34 +00:00
31b52d2417 Fix host bonding: use mode 4 instead of mode 802.3ad for Alpine Linux
Damien pushed to fix-bgp-and-mlag at Damien/arista-evpn-vxlan-clab 2025-11-29 16:53:11 +00:00
34b6b7bdd6 Fix command syntax - remove invalid 'show mlag interfaces Port-Channel1'
Damien pushed to fix-bgp-and-mlag at Damien/arista-evpn-vxlan-clab 2025-11-29 16:39:23 +00:00
c3aef36a8e Update troubleshooting guide
Damien pushed to fix-bgp-and-mlag at Damien/arista-evpn-vxlan-clab 2025-11-29 12:42:55 +00:00
fb682fdb19 Add comprehensive EVPN-VXLAN troubleshooting guide
Damien commented on issue Damien/arista-evpn-vxlan-clab#11 2025-11-28 16:20:59 +00:00
Host LACP bonding - Hybrid approach: ifupdown for bond + ip commands for VLAN

LACP Fallback - Explanation

What Problem Does It Solve?

Without LACP Fallback:

  • Port-Channel waits for full LACP negotiation before forwarding ANY traffic
  • If LACP PDUs are delayed…
Damien pushed to fix-bgp-and-mlag at Damien/arista-evpn-vxlan-clab 2025-11-28 16:20:38 +00:00
ba3ed79363 Add LACP fallback configuration to leaf configs
Damien commented on issue Damien/arista-evpn-vxlan-clab#11 2025-11-28 16:17:57 +00:00
Host LACP bonding - Hybrid approach: ifupdown for bond + ip commands for VLAN

Status Update - Partial Fix Applied

Completed:

  • ✅ leaf1.cfg - LACP fallback added
  • ✅ leaf2.cfg - LACP fallback added

Remaining (need same 2-line addition to Port-Channel1): -…