Re: trap changes made for VRF

Hi Joan,

Pre-existing functionality should not
have been affected by adding VRF support. That probably was an
unintended side effect. Can you revert the following patches and
verify whether that is sufficient to restore previous
functionality?

- b3dd62016170 ("libsnmp, UDP: Only display VRF debug messages
if relevant")

- 5d61e9367200 ("snmplib, UDP transport: Do not compare array
pointers against NULL")

- 02de400544de ("libsnmp: Set Linux VRF iface on Trap sink IP
addresses")

- 3ca90c2c1260 ("libsnmp/transports/UDP: Add support for VRF")

Thanks,

Bart.

On 1/6/21 11:33 PM, Joan Landry wrote:

Can you please also explain why the
pre-existing functionality of clientaddr x.x.x.x:port – no
longer works

and what I need to do to get it to work
again?

Also, where should I look for this patch –
and any idea on when it might be available?

Thanks,

Joan

From: Bart Van Assche
<[email protected]>

Sent: Wednesday, January 6, 2021 11:28 PM

To: [email protected]

Cc: Joan Landry <[email protected]> ;
[email protected]

Subject: Re: trap changes made for VRF

External
email:
[[email protected] ]

----------

Hi Sam,

Can you submit a patch that documents how
to use the changes in the following two commits:

*
02de400544de ("libsnmp: Set Linux VRF iface on Trap sink IP
addresses")

* 3ca90c2c1260 ("libsnmp/transports/UDP: Add support for
VRF")

Thanks,

Bart.

On 1/6/21 12:39 PM, Joan Landry wrote:

Can someone please provide a link to the
documentation that describes how to get rc =
netsnmp_bindtodevice(t->sock, ep->iface);

to work – apparently the code that sends
traps has been redesigned significantly in that
NETSNMP_DS_LIB_CLIENT_ADDR no longer works as use to.

What is the change in snmpd.conf that
makes this work apparently clientaddr x.x.x.x:port – no
longer works as it used to.

I have not been able to locate any
documentation on these changes or how to set the VRF
interface or how to allow the code to set an ipaddress and
port using NETSNMP_DS_LIB_CLIENT_ADDR

Any info on this would be greatly
appreciated.

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