What is Baicells UE default MTU?
I am not sure if all of the Telrad devices on the network (Compact & Breezeway)
properly support jumbo frames. I can't remember which device it was -- I
*think* it was the Breezeway -- but there was one I remember testing and found
a hard MTU limit on (IIRC, with the current 6.5 GA release, I think a 1496 MTU
is forced on the PDN service interface VLAN).
Ah, yes, here we go:
eth1.13 Link encap:Ethernet HWaddr XX:XX:XX:XX:XX:XX
inet addr:NNN.NNN.NNN.NNN Bcast:NNN.NNN.NNN.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1496 Metric:1
It makes sense to have a default MTU < 1500 on UEs since it is by no means
guaranteed that the network itself will have the necessary headroom for 1500
once all of the GTP overhead is accounted for.
-- Nathan
________________________________________
From: [email protected] [[email protected]] On Behalf Of
Matthew Carpenter [[email protected]]
Sent: Sunday, June 19, 2016 3:59 PM
To: WISPA General List
Subject: Re: [WISPA] Baicells - who's deployed it?
Hi,
Yes, the current Biacells (11db) UE when using a Telrad SIM card will connect
to the Telrad eNB and Telrad core and work fine.
The only issue I have found is that I have to set the Biacells UE’s MTU setting
down to 1400 for it to work correctly.
The latest firmware from Telrad was supposed to allow MTU of 1500 on the UE,
but we have not been able to make that work yet.
I am going to send all the details off to Telrad on the MTU issue. The current
UE 7000 has a MTU of 1400 by default!
Will test the Biacells (19.5db) as soon as I get it on Monday.
Matt Carpenter
On Jun 19, 2016, at 5:55 PM, Jeremy Austin
<[email protected]<mailto:[email protected]>> wrote:
On Sun, Jun 19, 2016 at 2:49 PM, Matthew Carpenter
<[email protected]<mailto:[email protected]>> wrote:
The Biacells SIM cards will only authenticate with the Biacells Core. We were
not given keys for those SIMs from Biacells.
A Biacells SIM card will boot up with a Telrad 7000 UE and connect to a
Biacells eNB and Biacells Core.
How about the reverse? A Telrad SIM in a Baicells UE, connecting to a Telrad
ENB/EPC? I remember some discussion about WISPA about the attractiveness of a
cheaper UE.
Then again, the next gen Telrad CPEs are ostensibly cheaper than the 7000s...
Thanks for all the compatibility testing, Amarillo -- great work.
--
Jeremy Austin
(907) 895-2311
(907) 803-5422
[email protected]<mailto:[email protected]>
Heritage NetWorks
Whitestone Power & Communications
Vertical Broadband, LLC
Schedule a meeting: http://doodle.com/jermudgeon
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