[c-nsp] default maximum-prefix limits on XR!

[Jared Mauch]

Some of these limits are per-platform, so remember there is no “generic ios-xr”.

On the 9K you may need to set your profile to match your use case.  It’s less obvious compared to a generic central CPU platform like most XE devices are.

- Jared

> On Sep 17, 2015, at 9:24 AM, Adam Vitkovsky <Adam.Vitkovsky at gamma.co.uk> wrote:
> 
> Hi folks,
> 
> Today I learned that XR has default maximum-prefix limits -on a contrary to regular IOS/XE where there are no default limits.
> For most of the folks it's really just an early heads up, maybe relevant for lab tests, but the VPNv4 number is pretty low for big folks or those who are doing Internet in a VRF.
> 
> IPv4 Unicast: 1048576
> IPv4 Labeled-unicast: 131072
> IPv6 Unicast: 524288
> IPv6 Labeled-unicast: 131072
> IPv4 Tunnel: 1048576
> IPv4 Multicast: 131072
> IPv6 Multicast: 131072
> VPNv4 Unicast: 2097152
> IPv4 MDT: 131072
> VPNv6 Unicast: 1048576
> L2VPN EVPN: 2097152
> 
> Found a old thread from Will Hargrave | 26 Apr 03:17 2012 An observation: 512k default max-prefix in IOS-XR
> 
> adam
> 
> 
>        Adam Vitkovsky
>        IP Engineer
> 
> T:      0333 006 5936
> E:      Adam.Vitkovsky at gamma.co.uk
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