Cisco 2100 Series Configuration Manual page 751

Appendix D Troubleshooting
CAPWAP payload 802.11 header ACL
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CAPWAP payload IP header ACL
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At each level, you can define multiple ACLs. The first ACL that matches the packet is the one that is
selected.
Follow these steps to use the debug facility.
To enable the debug facility, enter this command:
Step 1
debug packet logging enable {rx | tx | all} packet_count display_size
where
rx displays all received packets, tx displays all transmitted packets, and all displays both transmitted
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and received packets.
packet_count is the maximum number of packets to log. You can enter a value between 1 and 65535
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packets, and the default value is 25 packets.
display_size is the number of bytes to display when printing a packet. By default, the entire packet
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is displayed.
Note
Use these commands to configure packet-logging ACLs:
Step 2
debug packet logging acl driver rule_index action npu_encap port
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where
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OL-17037-01
Destination address
Source address
BSSID
SNAP header type
Source address
Destination address
Protocol
Source port (if applicable)
Destination port (if applicable)
To disable the debug facility, enter this command: debug packet logging disable.
rule_index is a value between 1 and 6 (inclusive).
action is permit, deny, or disable.
npu_encap specifies the NPU encapsulation type, which determines how packets are filtered.
The possible values include dhcp, dot11-mgmt, dot11-probe, dot1x, eoip-ping, iapp, ip, lwapp,
multicast, orphan-from-sta, orphan-to-sta, rbcp, wired-guest, or any.
port is the physical port for packet transmission or reception.
Cisco Wireless LAN Controller Configuration Guide
Using the Debug Facility
D-35