diff --git a/TROUBLESHOOTING.md b/TROUBLESHOOTING.md index 2f53a51..6a75e1e 100644 --- a/TROUBLESHOOTING.md +++ b/TROUBLESHOOTING.md @@ -105,12 +105,12 @@ dual-primary detection : Configured **Troubleshooting:** -| Issue | Cause | Fix | -| ------------------------- | ----------------------------------- | ----------------------------------------- | -| state: `Inactive` | Peer-link down | Check Po999 and Ethernet10 | -| negotiation: `Connecting` | VLAN4090 issue | Verify IP addressing, peer-address config | -| peer-link: `Down` | Port-Channel999 down | Check `show port-channel 999` | -| dual-primary: `Detected` | Peer-link failed + heartbeat failed | Check mgmt network connectivity | +| Issue | Cause | Fix | +|-------|-------|-----| +| state: `Inactive` | Peer-link down | Check Po999 and Ethernet10 | +| negotiation: `Connecting` | VLAN4090 issue | Verify IP addressing, peer-address config | +| peer-link: `Down` | Port-Channel999 down | Check `show port-channel 999` | +| dual-primary: `Detected` | Peer-link failed + heartbeat failed | Check mgmt network connectivity | --- @@ -123,8 +123,8 @@ show port-channel 999 # Detailed view show port-channel 999 detailed -# LACP status -show lacp interface Port-Channel999 +# LACP status (if using LACP mode) +show lacp interface Ethernet10 ``` **Expected Output:** @@ -150,10 +150,13 @@ Active Ports: Ethernet10 # Port-Channel status show port-channel 1 -# MLAG status for Po1 -show mlag interfaces Port-Channel1 +# Port-Channel detailed view +show port-channel 1 detailed -# LACP neighbor +# MLAG interfaces status +show mlag interfaces + +# LACP neighbor (if LACP established) show lacp neighbor ``` @@ -175,12 +178,13 @@ Active Ports: Ethernet1 **Troubleshooting:** -| Issue | Cause | Fix | -| --------------------- | ---------------------------- | -------------------------------- | -| `inactive` | MLAG peering down | Fix MLAG first (section 2.1) | -| `active-partial` | Remote Po1 down on peer leaf | Check peer leaf's Po1 | -| `configured-inactive` | Missing `mlag 1` config | Add `mlag 1` to Po1 | -| No LACP neighbor | Host bonding issue | Check host: `ip link show bond0` | +| Issue | Cause | Fix | +|-------|-------|-----| +| `inactive` | MLAG peering down | Fix MLAG first (section 2.1) | +| `active-partial` | Remote Po1 down on peer leaf | Check peer leaf's Po1 | +| `configured-inactive` | Missing `mlag 1` config | Add `mlag 1` to Po1 | +| No LACP neighbor | Host bonding issue | Check host: `ip link show bond0` | +| Ports in fallback mode | LACP not negotiating | Normal - will transition after LACP establishes | --- @@ -758,13 +762,13 @@ show vxlan address-table vlan 40 **Common Causes:** -| Issue | Fix | -| -------------------- | ------------------------------------------------- | -| Port-Channel down | Check LACP, add fallback config | -| MLAG not synced | Fix MLAG peering (VLAN 4090) | -| VNI not configured | Add `vxlan vlan 40 vni 110040` | +| Issue | Fix | +|-------|-----| +| Port-Channel down | Check LACP, add fallback config | +| MLAG not synced | Fix MLAG peering (VLAN 4090) | +| VNI not configured | Add `vxlan vlan 40 vni 110040` | | EVPN not advertising | Add `redistribute learned` under `vlan 40` in BGP | -| Wrong route-target | Verify RT matches on all VTEPs | +| Wrong route-target | Verify RT matches on all VTEPs | --- @@ -798,11 +802,11 @@ show ip virtual-router **Common Causes:** -| Issue | Fix | -| ---------------------- | --------------------------------------------- | -| SVI not in VRF | Add `vrf gold` under `interface Vlan34` | -| VRF not mapped to VNI | Add `vxlan vrf gold vni 100001` | -| Route-target mismatch | Verify `route-target both evpn 1:100001` | +| Issue | Fix | +|-------|-----| +| SVI not in VRF | Add `vrf gold` under `interface Vlan34` | +| VRF not mapped to VNI | Add `vxlan vrf gold vni 100001` | +| Route-target mismatch | Verify `route-target both evpn 1:100001` | | BGP not redistributing | Add `redistribute connected` under `vrf gold` | --- @@ -939,7 +943,7 @@ show interfaces Vxlan1 | include "is up|Source interface" show vxlan vtep echo "=== Port-Channels ===" -show port-channel summary +show port-channel 1 echo "=== MAC Addresses ===" show mac address-table count