[c-nsp] Recommendation for Cisco router with Full BGP Route

[Pengembara T.]

Hi,

Thanks for the at hands on experience .

Interested at 7280cr2k. But based on thi, its no longer listed

Looks like its already replaced with something else.


https://www.arista.com/en/products/platforms


Im still did not understand arista model naming convention.

What about 7280SR3-40YC6 ? Is the control plane able to handle

The closest thing with CR2K is 7280CR3-32P4.

7280sr3 did not mention bgp table, but mention these:
Cloud Networking Ready
• Up to 384K MAC Addresses
• Over 2M IPv4 Unicast Routes
• Over 5M IPv4 Routes with 7280R3K
• Algorithmic ACLs for 100K+ rules

Routing table is ok, but bgp table im not sure.

Thx.

On Wednesday, March 5, 2025, Drew Weaver <drew.weaver at thenap.com> wrote:

> Hi,
>
> I have both ASR 9902 and Arista DCS-7280CR2K-30
>
> Downsides of the ASR9902 for us include:
>
> Not being able to configure the ports in the exact way we need to as far
> as the integrated switch.
> Internet Licensing
> Had a really hard time trying to renew support for less than 40% of the
> cost of the entire router for 1 year. I feel like something went terribly
> wrong here but I wasted 6 months trying to fix it.
> Very expensive for what amounts to a 8x100GE router
>
> Upsides:
>
> If you like IOS XR
> If you like netflow and not sflow
> It's made by Cisco (... I guess that is still an upside)
> I don't believe the 9902 uses a proprietary algo to achieve its maximum
> route scale.
>
> Downsides of the Arista DCS-7280CR2K-30
>
> Sflow only
> The OS doesn't seem to know whether or not it has written files to the
> filesystem when you save a running config or copy a new software image.
> The OS doesn't seem to track whether the disk is still working or not.
> I'm not 100% sure I trust flexroute yet for large tables above 1M routes
> but fingers are crossed.
> if you want flexroute you have to make sure you get the K model
> If you don't like EOS
>
> Upsides:
>
> 30 ports of 100GE that can break out however we want
> If you like EOS
> As far as I know there is no phone home or licensing restrictions
> I'm not sure on current pricing but these weren’t as expensive as an
> ASR9902 and you get 22 extra ports.
>
> Thanks,
> -Drew
>
> -----Original Message-----
> From: cisco-nsp <cisco-nsp-bounces at puck.nether.net> On Behalf Of
> Pengembara T. via cisco-nsp
> Sent: Tuesday, March 4, 2025 1:26 AM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] Recommendation for Cisco router with Full BGP Route
>
> Hi all,
>
> I am looking for recommendations on a Cisco model that meets the following
> requirements:
>
> - Supports 4 BGP peers (both eBGP and iBGP), each with a full BGP table
> for IPv4 and IPv6
> - Smallest possible physical size (2U max if possible)
> - Prefer perpetual license
> - Relatively stable CPU usage, preferably ≤50% for most of the time while
> handling this BGP load
>
> Thanks in advance.
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