Here’s what happened when I added “loops 1” …it seemed to just allow those
previously loop-detected prefixes, to now be allowed into the rib. True ? is
this safe ? I mean isn’t this what AS PATH loop detection is supposed to
prevent. Then again, maybe if you know a good reason to do this, then I guess
you just have to be careful and know what you’re going huh
****** before…
[edit]
r4@lab-mx104:r4# run show route receive-protocol bgp 10.0.2.9
inet.0: 35 destinations, 39 routes (35 active, 0 holddown, 0 hidden)
Prefix Nexthop MED Lclpref AS path
* 192.168.50.0/24 10.0.2.9 100 (65001) I
192.168.60.0/24 10.0.9.6 100 (65001) I
192.168.70.0/24 10.0.9.7 100 (65001) I
...looking at one of them...
[edit]
r4@lab-mx104:r4# run show route protocol bgp 192.168.10.0
inet.0: 35 destinations, 39 routes (35 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
192.168.10.0/24 *[BGP/170] 08:07:39, localpref 101, from 10.0.6.1
AS path: I, validation-state: unverified
> to 10.0.4.10 via lt-0/1/0.42
****** after…
[edit]
r4@lab-mx104:r4# set protocols bgp group my-cbgp family inet unicast loops 1
[edit]
r4@lab-mx104:r4# run show route receive-protocol bgp 10.0.2.9
inet.0: 35 destinations, 43 routes (35 active, 0 holddown, 0 hidden)
Prefix Nexthop MED Lclpref AS path
* 192.168.10.0/24 10.0.6.1 101 (65001 65000)
I
* 192.168.20.0/24 10.0.6.2 100 (65001 65000)
I
192.168.30.0/24 10.0.2.2 100 (65001 65000)
I
* 192.168.50.0/24 10.0.2.9 100 (65001) I
192.168.60.0/24 10.0.9.6 100 (65001) I
192.168.70.0/24 10.0.9.7 100 (65001) I
* 192.168.100.0/24 10.0.6.1 101 (65001 65000)
I
...looking at one of them...
[edit]
r4@lab-mx104:r4# run show route protocol bgp 192.168.10.0
inet.0: 35 destinations, 43 routes (35 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
192.168.10.0/24 *[BGP/170] 00:00:13, localpref 101, from 10.0.2.9
AS path: (65001 65000) I, validation-state: unverified
> to 10.0.4.10 via lt-0/1/0.42
[BGP/170] 08:08:35, localpref 101, from 10.0.6.1
AS path: I, validation-state: unverified
> to 10.0.4.10 via lt-0/1/0.42
- Aaron Gould
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