[j-nsp] access-internal routes

[Aaron]

Thanks Aaron

...and sorry folks for that email showing up on the list twice... for some reason I was unable to post for the last 3 days (your blessing , lol) ... ahhrmm, so during that time I tried posting that access-internal route question twice... both came through today.

Y'all have a nice weekend

Aaron


-----Original Message-----
From: Aaron Dewell [mailto:aaron.dewell at gmail.com] 
Sent: Friday, April 1, 2016 3:51 PM
To: Aaron <aaron1 at gvtc.com>
Cc: juniper-nsp at puck.nether.net
Subject: Re: [j-nsp] access-internal routes


Any DHCP routes appear as access-internal.  There may be other reasons but that’s the most common.

> On Mar 30, 2016, at 5:46 PM, Aaron <aaron1 at gvtc.com> wrote:
> 
> what are these routes (access-internal) ?  i'm seeing them actually 
> being sent over my MPLS L3VPN into my other pe's as /32 routes.  very interesting.
> and seemingly very inefficient and busy.  not sure that I like the 
> idea of host routes for 10's of thousands of hosts being injected into 
> my mpls vpn all over my network.  i'm thinking this is happening 
> possible from dhcp relay on my acx5048.  how do I turn off the /32 
> route injection at the
> acx5048 ?
> 
> 
> 
> 
> <https://webmail.gvtc.net/owa/redir.aspx?C=fdee00eaee6a4010b73c7abd904
> 6c3e3& URL=mailto%3aagould%40eng-lab-acx5048-1> 
> agould at eng-lab-acx5048-1> show route table one.inet.0 protocol 
> access-internal
> one.inet.0: 768 destinations, 956 routes (768 active, 0 holddown, 0 
> hidden)
> + = Active Route, - = Last Active, * = Both
> 10.88.127.51/32    *[Access-internal/12] 22:44:14
>> to 111.222.176.65 via irb.10
> 111.222.176.75/32     *[Access-internal/12] 00:06:28
>> to 111.222.176.65 via irb.10
> 
> 
> 
> 
> <https://webmail.gvtc.net/owa/redir.aspx?C=fdee00eaee6a4010b73c7abd904
> 6c3e3& URL=mailto%3aagould%40eng-lab-acx5048-1> 
> agould at eng-lab-acx5048-1> show dhcp relay binding routing-instance one
> IP address        Session Id  Hardware address   Expires     State
> Interface
> 10.88.127.51      3           38:c8:5c:2a:c8:bf  3551        BOUND
> irb.10
> 111.222.176.75    13          94:de:80:a4:65:ad  12130       BOUND
> irb.10
> 
> 
> 
> 
> 
> other cisco asr9k pe's within my mpls cloud sees these /32 routes...
> 
> 
> 
> RP/0/RSP0/CPU0:sabn-9k#sh route vrf one | in 10.101.12.245 Wed Mar 30 
> 14:47:00.638 CDT
> B    10.88.127.51/32 [200/0] via 10.101.12.245 (nexthop in vrf default),
> 05:46:47
> B    111.222.176.64/28 [200/0] via 10.101.12.245 (nexthop in vrf default),
> 05:36:21
> B    111.222.176.75/32 [200/0] via 10.101.12.245 (nexthop in vrf default),
> 00:08:42
> 
> 
> 
> Aaron
> 
> 
> 
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