Nortel 5530 - Page 55

Filters and QoS Configuration for ERS 5500
Technical Configuration Guide v2.0 NN48500-559
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ERS5500-24T# show ip dhcp-snooping interface 3-6,8-10
Result:
DHCP
Port Snooping
---- --------
3 Untrusted
4 Untrusted
5 Untrusted
6 Untrusted
8 Untrusted
9 Untrusted
10 Untrusted
Step 3 – To view the DHCP-Snoop binding, enter the following command, assuming we have
port member on ports 6 and 9
ERS5500-24T#show ip dhcp-snooping binding
Result:
MAC IP Lease (sec) VID Port
---------------------------------------------------------------
00-50-8b-e1-58-e8 10.62.32.10 691200 110 6
00-02-a5-e9-00-28 10.13.196.10 691200 220 9
Total Entries: 2
12.3.2.2 Verify ARP Inspection
Step 1 – Verify that ARP Inspection is enabled for VLAN’s 110 and 220
ERS5500-24T# show ip arp-inspection vlan
Result:
ARP
VLAN Inspection
---- ----------
1 Disabled
99 Disabled
110 Enabled
220 Enabled
700 Disabled
Step 2 – Verify all the access ports are configured for ‘untrusted’ – this is the default setting
ERS5500-24T# show ip arp-inspection interface 3-6,8-10
Result:
ARP
Port Inspection
---- ----------
3 Untrusted
4 Untrusted
5 Untrusted
6 Untrusted
8 Untrusted
9 Untrusted
10 Untrusted