Table of Contents
BGP Replay Tool
Used to test BGP Route Receiver that ships with Trisul.
1. Download BRT
You can find it here http://caia.swin.edu.au/tools/bgp/brt/downloads.html
There seems to be an issue with the Net::BGP module.
We are getting the following error with version 0.2
Can't locate object method “mp_unreach_nlri” via package “Net::BGP::Update” at brt-0.2.pl line 263, <$fh> line 2.
As a hack you can comment out the mp_unreach_nlri and mp_reach_nlri , you will lose the multipath updates.
2. Install the Perl Net::BGP module
sudo cpanm Net::BGP
3. On router under test
Add the BRT as a peer say with AS 300
Lets say the router has an AS 400
sh bgp neighbors debug ip bgp all conf t router bgp 400 neighbor 192.168.3.100 remote-as 300
4. Prepare a route update file
Download a route update file in MRT format. The easiest way is to download from a collector see http://archive.routeviews.org/
4.1 Convert the MRT format update file to a format acceptable by brt using bgpdump
BRT tool needs a human readable BGP update file
BGP update file in human readable with Unix format (bgpdump -m option)
Convert the file using bgpdump
bgpdump -m updates.20191101.0130 > updates.20191101.0130.bgpdump
5. Now you can inject routes into the router table.
Run BRT , use the -v to keep an eye on errors.
sudo perl brt-0.2.pl -brtas 300 -brtip 192.168.3.33 -peeras 400 -peerip 192.168.3.200 -f ~/updates.20191101.0130.bgpdump -v
Use the following command on the router
sh ip route sh bgp summ sh bgp neighbors
BRT is a useful tool to test Trisul ISP (needs license)