HP (Hewlett-Packard) 3400CL-24G Switch User Manual


 
115
Enhancements
Release M.10.36 Enhancements
Monitoring Dynamic ARP Protection
When dynamic ARP protection is enabled, you can monitor and troubleshoot the validation of ARP
packets with the debug arp protect command. Use this command when you want to debug the
following conditions:
The switch is dropping valid ARP packets that should be allowed.
The switch is allowing invalid ARP packets that should be dropped.
Figure 15. Example of debug arp protect Command
Release M.10.36 Enhancements
Software fixes only, no new enhancements.
Release M.10.37 Enhancements
Release M.10.37 includes the following enhancement:
Enhancement (PR_1000369492) — Update of the MSTP implementation to the latest
IEEE P802.1Q-REV/D5.0 specifications to stay in sync with the protocol evolution.
For more information on selected configuration options and updated MSTP port parameters, see
“Configuring MSTP Port Connectivity Parameters” below.
ProCurve(config)# debug arp protect
1. ARP request is valid
"DARPP: Allow ARP request 000000-000001,10.0.0.1 for 10.0.0.2 port A1,
vlan "
2. ARP request detected with an invalid binding
"DARPP: Deny ARP request 000000-000003,10.0.0.1 port A1, vlan 1"
3. ARP response with a valid binding
"DARPP: Allow ARP reply 000000-000002,10.0.0.2 port A2, vlan 1"
4.ARP response detected with an invalid binding
"DARPP: Deny ARP reply 000000-000003,10.0.0.2 port A2, vlan 1"