Cisco Catalyst 2960-XR Security Configuration Manual page 191
Ios release 15.0 2 ex1
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Also See for Catalyst 2960-XR:
- Configuration manual (196 pages) ,
- Configuration manuals (120 pages) ,
- Reference (52 pages)
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Configuring DHCP
number corresponds to the switch number in the stack. The switch uses the packet formats when you globally
enable DHCP snooping and enter the ip dhcp snooping information option global configuration command.
Figure 13: Suboption Packet Formats
The illustration, User-Configured Suboption Packet Formats, shows the packet formats for user-configured
remote-ID and circuit-ID suboptions The switch uses these packet formats when DHCP snooping is globally
enabled and when the ip dhcp snooping information option format remote-id global configuration command
and theip dhcp snooping vlan information option format-type circuit-id string interface configuration
command are entered.
The values for these fields in the packets change from the default values when you configure the remote-ID
and circuit-ID suboptions:
• Circuit-ID suboption fields
• Remote-ID suboption fields
OL-29434-01
◦ The circuit-ID type is 1.
◦ The length values are variable, depending on the length of the string that you configure.
◦ The remote-ID type is 1.
Catalyst 2960-XR Switch Security Configuration Guide, Cisco IOS Release 15.0(2)EX1
Option-82 Data Insertion
169
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