[j-nsp] iSCSI on EX4550 switch port

[Alexandre Guimaraes]

Mark,

Ex4550 give me local interface l2circuits switching bypassing all traffic without change, I am looking for a switch that have the same feature with 48ports 1/10Gb. And of course all other ex4550 features. QinQ with L2TP and so on...

If you know some brand and model, I will be glad to know.

att
Alexandre

Em 8 de jun de 2018, à(s) 07:52, Mark Tinka <mark.tinka at seacom.mu<mailto:mark.tinka at seacom.mu>> escreveu:

We are going Arista.

For basic Layer 2 Ethernet switching, it's going to do the job, with Gigs of buffer memory.

The back-breaker for us was when Juniper decided to do silly things with the CLI in the EX4600 vs. what we'd been used to with the EX4550. Since it took them a year to tell me they'll make the EX4600 CLI as simple as the EX4550 one in 2019, I jumped ship. Fair point, the still-small buffers on the EX4600 didn't help either...

Mark.

On 8/Jun/18 12:21, Alexandre Guimaraes wrote:

I agree with Mark.

Unfortunately, There is no other switch with the same features with more buffer. As far as I know.

att
Alexandre

Em 8 de jun de 2018, à(s) 07:05, Mark Tinka <mark.tinka at seacom.mu><mailto:mark.tinka at seacom.mu> escreveu:



The EX4550 has terribly small buffers (4MB if memory serves - pun intended).

Do you have this setup:

    set class-of-service shared-buffer percent 100

It has helped us for a while, but it's time to kick this box out.

Mark.



On 8/Jun/18 07:55, Simone Spinelli wrote:
MTU?
Ethernet flow control?

My 2 cents.
Simone



On Fri, 8 Jun 2018 at 01:28, Jonathan Call <lordsith49 at hotmail.com><mailto:lordsith49 at hotmail.com> wrote:

I have a NetApp using iSCSI sitting on an EX4550. The iSCSI port on the
EX4500 is dropping packets on a regular basis, but its queue length is
always zero:

 Queue counters:       Queued packets  Transmitted packets      Dropped
packets
   0 best-effort                    0           1518576563
1510331
   1 assured-forw                   0                    0
   0
   5 expedited-fo                   0                    0
   0
   7 network-cont                   0               138429
   0

Before I start messing with queues/Class of Service setting I'm curious if
anyone has seen this before and might steer me in a good direction to find
out what is going on? (Other than getting rid of this old EX4550)

Jonathan

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