Question

ibgp routes showing in the " Route Origin distribution at the end of the show IP route command..

  • 11 January 2021
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  15 routes from IBGP

A

I am running BGP to JISC only , so why do I see this statement ,

 sh iproute origin ibgp
Ori  Destination        Gateway         Mtr  Flags         VLAN       Duration
#bi  136.148.8.0/23     0.0.0.0         0    UG-D--Bum--f- -          85d:6h:14m:6s
#bi  136.148.4.0/22     0.0.0.0         0    UG-D--Bum--f- -          85d:6h:14m:6s
#bi  136.148.2.0/23     0.0.0.0         0    UG-D--Bum--f- -          85d:6h:14m:6s
#bi  136.148.0.0/16     0.0.0.0         0    UG-D--Bum--f- -          85d:6h:14m:6s

others removed ………..

I do have a statement in the configuration for the dreaded martians ...

configure iproute add blackhole ipv4 10.0.0.0 255.0.0.0
configure iproute add blackhole ipv4 192.168.0.0 255.255.0.0
configure iproute add blackhole ipv4 172.16.0.0 255.240.0.0

I do not remember seeing these statments in the  routing table before is this a feature of :

 

Image   : ExtremeXOS version 16.2.5.4 16.2.5.4-patch1-22 by release-manager
          on Mon Apr 20 07:54:57 EDT 2020

 

Though I do not look at the routing tables that often to actually be able to confirm yes or no

 

 


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