Security: IPv6 First Hop Security
Configuring IPv6 First Hop Security through Web GUI
561 Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x
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• Validate Source MAC—Specify whether to globally enable checking source MAC
address against the link-layer address:
- Inherited—Inherit value from VLAN or system default (disabled).
- Enable—Enable checking source MAC address against the link-layer address.
- Disable—Disable checking source MAC address against the link-layer address.
STEP 6 Click Apply to add the settings to the Running Configuration file.
STEP 7 To attach this policy to an interface:
• Attach Policy to VLAN—Click to jump to Policy Attachment (VLAN) page where
you can attach this policy to a VLAN.
• Attach Policy to Interface—Click to jump to Policy Attachment (Port) page where you
can attach this policy to a port.
Neighbor Binding Settings
The Neighbor Binding table is a database table of IPv6 neighbors connected to a device is
created from information sources, such as Neighbor Discovery Protocol (NDP) snooping. This
database, or binding, table is used by various IPv6 guard features to prevent spoofing and
redirect attacks.
Use the Neighbor Binding Settings page to enable the Neighbor Binding feature on a specified
group of VLANs and to set the global configuration values for this feature. If required, a
policy can be added or the system-defined default Neighbor Binding policies can be
configured in this page.
To configure Neighbor Binding:
STEP 1 Click Security > IPv6 First Hop Security > Neighbor Binding Settings.
STEP 2 Enter the following global configuration fields:
• Neighbor Binding VLAN List—Enter one or more VLANs on which Neighbor
Binding is enabled.
• Device Role—Displays the device global default role (Perimeter).
• Neighbor Binding Lifetime—Enter the length of time that addresses remain in the
Neighbor Bindings table.
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