I've only ever used the *loops* knob for hub and spoke VPNs. There may be some other use cases, but I'm not aware of them.
On Fri, Jun 16, 2017 at 9:34 PM, Aaron Gould <[email protected]> wrote: > 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 > _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
