[cgl_discussion] IPv6 MIBs/SNMP requirements/support

[Zou, Yixiong]

> -----Original Message-----
> From: Venkata Jagana [mailto:jagana at us.ibm.com]
> Sent: Thursday, February 20, 2003 2:14 PM
> To: Zou, Yixiong
> Cc: cgl_discussion at osdl.org; 'Randy.Dunlap'; Venkata Jagana
> Subject: RE: [cgl_discussion] IPv6 MIBs/SNMP requirements/support
> 
> 
> 
> Zou, Randy:
> 
> See include/net/snmp.h file. This is a common file for both v4 and v6.

Bingo! This is what I was looking for. Looks like tcpv6_mib and 
udpv6_mib are still missing. We might have to add those. 

> However, if you wanted to 'set' any object elements, you need 
> to implement
> them through sysctl control mechanism provided by linux. You have to
> implement
> the corresponding sysctl mechanism in kernel within ipv6 to change
> the parameters. So, the bottomline - you don't need to use 
> conventional
> ioctl mechanisms to set/change these parameters but use 
> sysctl mechanism.

Based on the MIBs defined, these are the objects that can be "set":

    IPV6-TCP-MIB::ipv6TcpConnState
    IPV6-MIB::ipv6Forwording
    IPV6-MIB::ipv6DefaultHopLimit
    IPV6-MIB::ipv6IfDescr
    IPV6-MIB::ipv6IfIdentifier
    IPV6-MIB::ipv6IfIdentifierLength
    IPV6-MIB::ipv6IfAdminStatus
    IPV6-MIB::ipv6RouteValid
    IPV6-MIB::ipv6NetToMediaValid

Currently none of these is implemented in NET-SNMP.     

> 
> As far as changes in the net-snmp package goes, for Linux, it needs
> to use these methods (/proc/net/snmp* and /proc/sys/net/ipv[4/6]).
> 
> Hope this clarifies of how you have to go about for implementing these
> objects for IPv6.

Yes. Thank you. 

------------------------------------------------------------------------
Yixiong Zou (yixiong.zou at intel.com)
(503) 677-4988

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