Hello,

Yes, we had read this upgrade recomendation but we are looking for an alternative solution. How I said, we read that there is a possibility to set a 'proxy-arp' option for a particular interface (http://www.juniper.net/techpubs/software/junos/junos90/swconfig-network-interfaces/configuring-unrestricted-proxy-arp.html) and maybe it exists a statement for the opposite because we think that perhaps it will solve the 'problem'.

Set this statement is only one idea (probably it doesn't work) but, does anyone have another idea?

Thanks for your help and time,


El 17/05/2010 10:18, Christoph Blecker escribió:
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Hello,
The issue appears to be a bug in the JUNOS version you are running. A
quick Google search turned up the following:

http://www.juniper.net/techpubs/software/junos/junos73/rn-sw-73/previous-releases.html

"If a router receives rapid multicast traffic from various groups or
sources that do not have entries in the forwarding table, the router
might generate the ?router-name feb NH: resolutions from iif number
throttled? system log message and might delay the installation of
forwarding table entries for some of these multicast packets. [PR/46474:
This issue has been resolved.]"

Solution would be to review your hardware and upgrade your JUNOS version
as applicable. ARP resolution is a normal and necessary funtion of the
router, and you would not want to disable it (I'm not even sure there
*is* a way to disable it withing JUNOS).

Cheers,
- -Christoph

On 10-05-17 01:43 AM, juni...@iber-x.com wrote:
Hi there,

We have a Juniper M20 with JUNOS 7.3R1.4, old version :( .. and since
few we have in our log these entries:

May 10 23:49:48.177 2010  xxxxx ssb NH: resolutions from iif 73 throttled
May 10 23:50:41.168 2010  xxxxx ssb NH: resolutions from iif 88 throttled
..

Someone told us that maybe was a  port/ip scan on an Ethernet subnet and
this causes a flood of ARP requests.
We found that there is a statement to set the 'proxy-arp' option:

[edit]
u...@host# set interfaces interface-name unit logical-unit-number proxy-arp

But we can't find the opposite statement, I mean that the router doesn't
register any arp resolution in one interface.

Also we read that it was a problem [PR/46474] solved since the version
7.3R3 but we have an older JUNOS version..

Does anyone know how to solve this 'problem'?

Thanks in advance,



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