However, based on feedback received from people who have been running Juniper
for a long time, and reading what folks have been saying here and elsewhere, we
feel that it’s just too risky to put this stuff anywhere else.
We have been using Juniper since 2003 and that is definitely _not_ my
experience. We have used them extensively as P, PE, and Internet Edges
in a tier 1 regional carrier. (We also have used ASRs in the same
capabilities). IMO both do Internet Edge well. But I and most of whom I
know would take an MX960 over an ASR9k any day, the BGP functionality
and extensions are well developed in JUNOS. Also note that Junipers main
philosophy and focus is based on MPLS so thats why its dominant in
carriers for that function.
Cisco do EVPN/vxlan well. They do CE well, (though I'd argue the SRX is
a good candidate for this too). But they just cant compete against
Juniper for SP stuff IMO. Same for Arista. That are good in the DC but
they don't have much carrier market share I believe. Anyway you will
note my bias leans towards Juniper in the IP routing world.
I find the juniper licensing a bit more upfront and honest too. Though
with the higher speed capabilities that's eroding somewhat.
MX104's are the dual brain unit of the 204. Though a 204 has 40/100G
capabilities. If I read your original request correctly about ip
routing. Not sure the 104/204 is grunty enough to deal with multiple
internet tables. Thats a demanding task these days best left to the
larger chassis.
On 19/09/2019 10:52 AM, Jason Lixfeld wrote:
Hi,
On Sep 18, 2019, at 5:15 PM, Howard Leadmon <how...@leadmon.net> wrote:
I am looking to replace an older Cisco I have sitting down in Equinix, and
have l have had a few tell me that I should look at the Juniper routers as well.
Diving into Juniper/JunOS isn’t for the faint of heart. It’s a completely
different animal.
JunOS is a slick, powerful OS, no doubt, but there’s so much nuanced
configuration to hardware compatibility, and more
feature-x-stops-working-after-software-upgrade headaches than I could have ever
imagined from a vendor. Their policy and filter language is very
comprehensive, but very complicated and takes a long time to get familiar with
and understand.
For the past year I’ve been testing Juniper/JunOS for the first time, and you
know, I’ve got to tell you, you might want to stick to Cisco if that’s what
you're comfortable with. Testing has been long and frustrating, and of the 4
platform that I was looking at, all for various tasks, I decided that the only
role I’m comfortable having played by Juniper is an MX204 running as a
BFD/ISIS/LDP/MPLS enabled peering/transit border router. So far, it seems to
do that *really* well. However, based on feedback received from people who
have been running Juniper for a long time, and reading what folks have been
saying here and elsewhere, we feel that it’s just too risky to put this stuff
anywhere else.
Don’t get me wrong, Cisco definitely owns their share of BS, but they seem to
be predictable in how they are going to screw you. Juniper will screw you, but
how they are going to screw you seems to be predictably unpredictable.
FWIW, you may want to check out Arista’s 7280R. We’ve just deployed a pair of
these for EVPN-MPLS and they’re slick, and from what I understand, they have
the FIB scale to be able to act as a border router. It’s a very IOS-like CLI
(but so many things about the CLI are so much more refined than IOS) so it may
be more familiar, unless you’re Cisco experience is limited to IOS-XR. It’s
about USD$50K list for 48 x SFP+ / 6 x 40/100G, including licensing.
It’s a BCM Jericho based pizza box, so that’s redundant powered, but not
“redundant” in so far as there are no redundant supervisor/management cards.
But, for the number of times I’ve had that kind of failure on any of my boxes
that have had redundant cards, I don’t think it’s worth the cost or the rack
space, especially if it’s just a border router where you’ve probably got a
bunch of other border router that can accommodate a crash or a reboot or
whatever.
Hope that helps.
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