Cisco 500 Series Administration Guide

Security: IPv6 First Hop Security
Configuring IPv6 First Hop Security through Web GUI
Cisco 500 Series Stackable Managed Switch Administration Guide 544
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FHS Statistics
To display FHS statistics:
STEP 1 Click Security > IPv6 First Hop Security > FHS Statistics.
STEP 2 Select the Refresh Rate, the time period that passes before the statistics are
refreshed.
STEP 3 The following global overflow counters are displayed:
• Neighbor Binding Table—Number of entries that could not be added to this
table because the table reached its maximum size.
• Neighbor Prefix Table—Number of entries that could not be added to this
table because the table reached its maximum size.
• TCAM—Number of entries that could not be added because of TCAM
overflow.
STEP 4 Select an interface and display the following fields are displayed:
• NDP (Neighbor Discovery Protocol) Messages—The number of received
and dropped messages are displayed for the following types of messages:
- RA—Router Advertisement messages
- REDIR—Redirect messages
- NS—Neighbor Solicitation messages.
- NA—Neighbor Advertisement messages.
- RS—Router Solicitation message.
• DHCPv6 Messages—The number of received and dropped messages are
displayed for the following types of DHCPv6 messages:
- ADV— Advertise messages
- REP—Reply messages
- REC—Reconfigure messages
- REL-REP—Relay reply messages
- LEAS-REP—Lease query reply messages
- RLS—Released messages

Cisco 500 Series Specifications

General

Model	Cisco 500 Series
Category	Switch
Mounting	Rack-mountable
Management	Web-based, CLI, SNMP
Ports	24, 48
Port Speed	10/100/1000 Mbps
PoE Support	Available on some models
Switching Capacity	Up to 176 Gbps
MAC Address Table Size	16, 000 entries
Security	ACLs, 802.1X
Quality of Service (QoS)	Yes
Dimensions	Varies by model
Weight	Varies by model
Humidity	10% to 90% non-condensing
Power Supply	Internal
Power Consumption	Varies by model
Jumbo Frame Support	Up to 9216 bytes