[j-nsp] access-internal routes

[Aaron Dewell]

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=fdee00eaee6a4010b73c7abd9046c3e3&
> 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=fdee00eaee6a4010b73c7abd9046c3e3&
> 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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