[c-nsp] VZW 4G LTE Interface Card

[Mike Hale]

I can only speak to the ATT Version of the card, but for us it's been
pretty solid.  We have it sitting at an isolated site in the bay area,
and it's been reliable.

Pain in the ass to get setup at first, but after that it's been good.
They must have fixed a lot of the stability issues.

On Tue, Dec 9, 2014 at 8:56 AM, Ryan Wilkins <ryan at deadfrog.net> wrote:
>
>> On Dec 9, 2014, at 10:35 AM, chris <tknchris at gmail.com> wrote:
>>
>> Anyone have any experience with the EHWIC-4G-LTE-V card for VZW 4G?
>
> I've implemented one in a mobile command truck for a police department.  I can't say that I've been very impressed and have had to open numerous TAC cases pertaining to both the LTE EHWIC card and its predecessor, the 3G HWIC card.  The issue that I've had have been that the connection doesn't stay up all the time.  There were some settings that I felt would help keep the card stay online (disabling idle timeouts, short delays between disconnect and reconnect, etc) however the card would still drop offline regularly even in the middle of a data transfer.  It has been a couple years since I've touched that card so I don't remember all the specifics but my recollection is that after about 10 minutes the card would disconnect.  Verizon claimed that they weren't doing anything of the sort.  One thing that will drop the connection, by the way, is sending out RFC1918 and multicast traffic to the VZW network.  I implemented egress filtering to block those types of traffic but the link would still regularly drop.  The TAC engineer told me that some of the commands I was trying to configure weren't actually doing anything because the support didn't exist in the IOS release I was using and he didn't think the commands would ever be supported.  Maybe things are different now but my previous experience had been anything but flawless.
>
> Best,
> Ryan Wilkins
>
>
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