Command And Hardware Compatibility; Implementation Of Option 18 And Option 37; Option 18 For Dhcpv6 Snooping - HP FlexNetwork MSR2003 Configuration Manual

Figure 110 Trusted and untrusted ports

Command and hardware compatibility

Commands and descriptions for centralized devices apply to the following routers:
•
MSR1002-4/1003-8S.
•
MSR2003.
•
MSR2004-24/2004-48.
•
MSR3012/3024/3044/3064.
•
MSR954(JH296A/JH297A/JH298A/JH299A)
Commands and descriptions for distributed devices apply to MSR4060 and MSR4080 routers.

Implementation of Option 18 and Option 37

Option 18 for DHCPv6 snooping

Option 18, also called the interface-ID option, is used by the DHCPv6 relay agent to determine the
interface to use to forward RELAY-REPLY message.
The DHCPv6 snooping device adds Option 18 to the received DHCPv6 request message before
forwarding it to the DHCPv6 server. The server then assigns IP address to the client based on the
client information in Option 18.
Figure 111 Option 18 format
Figure 111 shows the Option 18 format, which includes the following fields:
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