Re: trap changes made for VRF

[Bart Van Assche]

Hi Joan,

Did this help?

Thanks,

Bart.

On 1/12/21 5:46 PM, Bart Van Assche wrote:

Hi Joan,

Please try the following:

git clone g...@github.com:net-snmp/net-snmp.git &&

cd net-snmp &&

git checkout V5-9-patches &&

for c in b3dd62016170 5d61e9367200 02de400544de dc3194eaecb4 \ 3ca90c2c1260; do git revert --no-edit $c || break; done

and next build, install and test Net-SNMP.

Thanks,

Bart.

On 1/12/21 11:50 AM, Joan Landry wrote:

Please tell me where to find these patches – links please.

Thanks

 

From: Bart Van Assche <bvanass...@acm.org>
Sent: Saturday, January 9, 2021 5:47 PM
To: Joan Landry <jolan...@adva.com>; stann...@cumulusnetworks.com
Cc: net-snmp-users@lists.sourceforge.net
Subject: 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 <bvanass...@acm.org>
Sent: Wednesday, January 6, 2021 11:28 PM
To: stann...@cumulusnetworks.com
Cc: Joan Landry <jolan...@adva.com>; net-snmp-users@lists.sourceforge.net
Subject: Re: trap changes made for VRF

 

External email:

---

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.

 

Please see our privacy statement at https://www.adva.com/en/about-us/legal/privacy-statement for details of how ADVA processes personal information.

 

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