Network Access Fix ~5 min · multi-device
A VLAN won't cross the trunk
SW1 and SW2 are connected by a trunk on Gi0/1. VLAN 10 hosts work across it; VLAN 20 hosts on SW1 can't reach VLAN 20 hosts on SW2. VLAN 20 is defined and active on both sides. Investigate the trunk on SW1 and restore VLAN 20 connectivity.
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