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Cisco Bug: CSCuo49521 - all vlans susp with vacl exhausting tcam region

Last Modified

Feb 04, 2017

Products (1)

  • Cisco Nexus 5000 Series Switches

Known Affected Releases


Description (partial)

Issue 1:
	- sh vlan id shows vlan 30 to be active.
	- show spanning tree vlan 30 - says 'Spanning tree instance(s) for vlan does not exist.'
	- no lif list for vlan 30 but other vlans does show the interfaces.

Issue 2:
  6. Save the configs and reload.
  	- seeing all the vlans are suspended.
        - show spanning tree vlan for 30, 40, 50 - all say  'Spanning tree instance(s) for vlan does not exist.'
        - no lif list for all the vlans - 30, 40, 50.

Steps to reproduce:
 1. Carve tcam for vacl to 512. apply template and reload for it to take effect
 2. Create acl with 600 ace's and use it in vlan access-map.
 3. apply vacl for vlan 30, command will get rejected with Error Tcam full message.
 4. shut vlan , apply vacl and un shut vlan.
 5. Expected to see vlan suspended for the active interface.
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