Hi Gustav,
How bad NCS5501 not SE variant is oversubscribed ? From the data sheet
"up to 800 Gbps of system throughput" fall short of the total 48x10 + 6x100.
Does NCS5501 has a LPTS/CoPP implementation similar with ASR9k ?
Many thanks in advance !
On 02/02/2017 10:56 AM, Gustav Ulander wrote:
Hello.
We are using NCS 5001 in this role with great success haven't had any issues
with it.
They seem to be just working although that's not that surprising given that its
not that complex of an environment.
We don't do OSPF-TE or RSVP-TE though so on that I cannot comment.
//Gustav
-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-boun...@puck.nether.net] On Behalf Of James
Jun
Sent: den 2 februari 2017 00.35
To: cisco-nsp@puck.nether.net
Subject: [c-nsp] NCS-5501 & 5502 Experiences?
Is anybody rolling NCS 5501 or 5502 in production yet with the current IOXR 6.1
build?
We're evaluating deploying NCS 5501 and 5502 (the -TR variants, not SE) for
some MPLS LSR role.
If selected, the NCS55K would be used as pure 'P' router where all it does is
label switching in the middle, with ASR9K and MX boxes serving as PE's using
100GE into NCS55k. We do not need L2VPN, L3VPN or any PE services.
Our requirements are fairly simple, as noted below. I've already run this
through with our SE, and he had confirmed that NCS5501 and 5502 should support
them all, but I was wondering if anybody had any experience using these boxes
in production.
Requirements:
- MPLS Traffic Engineering (using OSPF-TE) and RSVP-TE
- Fast Reroute for RSVP-TE LSPs
- Bundle-Ether/LAG hashing - src/dst + ports, labels, for labeled traffic.
Majority of labeled traffic expected to traverse through the NCS are typical
IP/IMIX internet
traffic, but labeled 1 time for PE-to-PE LSPs; IPv6 traffic would see two
labels due to 6PE;
There is also some limited pseudowire and vpn traffic so hashing on labels
would be needed
as well. For the latter case regarding l2vpn, PEs will build l2circuits
using FAT-PW.
- No need for large FIB, just decent LFIB to hold LSPs and FRR bypasses for
typical metro size
regional network.
- The port buffers on NCS5501 are deemed sufficient enough for 100GE->10GE
stepdown on bursty
internet use/IMIX traffic, but real life experiences/feedback would be nice
to hear.
- We do not need to run BGP on these; out-of-band route-reflectors are used.
Many thanks in advance,
James
--
Best regards,
Adrian Minta
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