<div dir="ltr"><div><div>Hello, Tudor,<br><br></div>Could you please share the DEFECT id please ?<br><br></div>Best regards.<br><br><br><div class="gmail_extra"><br><div class="gmail_quote">2015-12-22 16:21 GMT+01:00 Tudor Capatina via foundry-nsp <span dir="ltr"><<a href="mailto:foundry-nsp@puck.nether.net" target="_blank">foundry-nsp@puck.nether.net</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Thanks for the reply Eldon,<br>
<br>
in the end it was a software bug which caused MP and LP not to be in sync. I powered off / on the card and it came back to life.<br>
<br>
Happy holidays!<br>
Tudor<br>
--------------------------------------------<br>
On Thu, 12/17/15, Eldon Koyle <<a href="mailto:ekoyle%2Bpuck.nether.net@gmail.com">ekoyle+puck.nether.net@gmail.com</a>> wrote:<br>
<br>
Subject: Re: [f-nsp] arp problem on brocade mlx<br>
To: "Tudor Capatina" <<a href="mailto:ktudore@yahoo.com">ktudore@yahoo.com</a>><br>
Cc: <a href="mailto:foundry-nsp@puck.nether.net">foundry-nsp@puck.nether.net</a><br>
Date: Thursday, December 17, 2015, 9:04 PM<br>
<div class="HOEnZb"><div class="h5"><br>
You might check the<br>
number of MAC addresses it sees (sh mac)... if<br>
there is a device going insane somewhere, it<br>
could exhaust the mac<br>
forwarding DB and<br>
cause strange behavior.<br>
<br>
sh<br>
default values | inc mac<br>
SSH@mlx4#sh default values |<br>
inc mac<br>
sys log buffers:50 <br>
mac age time:300 sec telnet<br>
sessions:5<br>
mac <br>
32768 1048576 32768 32768<br>
32768 Yes<br>
vpls-mac <br>
2048 <br>
262144 2048 <br>
2048<br>
2048 <br>
Yes<br>
SSH@mlx4#<br>
<br>
Do you have spanning tree<br>
running on this interface?<br>
<br>
I'm assuming these interfaces are in the<br>
default VRF, but if not it<br>
opens up a whole<br>
world of other possibilities.<br>
<br>
You could also check the TM log, although you<br>
would have to open a<br>
ticket to find out what<br>
any of it meant:<br>
sh tm log<br>
<br>
<br>
On Wed, Dec 16, 2015 at<br>
10:44 AM, Tudor Capatina via foundry-nsp<br>
<<a href="mailto:foundry-nsp@puck.nether.net">foundry-nsp@puck.nether.net</a>><br>
wrote:<br>
> Hello all,<br>
><br>
> on a brocade mlx-4<br>
running IronWare : Version 5.4.0fT163, following a crash<br>
(was doing a no ip route under a ip vrf and the box rebooted<br>
itself), I am facing a weird problem.<br>
><br>
> On a 10G interface i<br>
have several customers, each connected in a vlan, with a<br>
vlan interface and a /30 used for the connection. All were<br>
working ok before the crash. Now on some of them i get the<br>
following behaviour: i receive a mac-address all the time,<br>
at times there is an arp entry, after some time it is gone,<br>
later it works again (sometime after a cpe reboot, sometime<br>
it just works).<br>
><br>
> It<br>
sounded to me like a cache or an arp limit problem but:<br>
><br>
> sh ip cache<br>
> Total IP and IPVPN Cache Entry Usage on<br>
LPs:<br>
> Module Host <br>
Network Free Total<br>
> 1 3745 <br>
361450 159093 <br>
524288<br>
> <br>
2 4132 361450 <br>
158706 524288<br>
> 3 4996 <br>
361450 157842 <br>
524288<br>
> <br>
4 4884 361450 <br>
157954 524288<br>
><br>
><br>
><br>
respectively:<br>
> #sh default values | i<br>
arp<br>
> ip arp age:10 min <br>
bootp relay max hops:4 ip ttl:64 hops<br>
> ip-arp <br>
8192 65536 8192 <br>
8192 8192 <br>
No<br>
><br>
><br>
while my arp usage is of 2k (as seen by show arp)<br>
><br>
> Any ideas what i<br>
could look at or what might cause this? Logs do not mention<br>
anything relevant.<br>
><br>
><br>
Thanks a lot,<br>
> Tudor<br>
><br>
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