doc: Updated topotest.rst doc with scapy details

1. Scapy, is a python tool, which would be used in multicast-pim-bsm-topo1
   suite automation. We have some BSM raw packets captured and saved in
   JSON file, these packets would be sent using scapy on tests demands.

Signed-off-by: Kuldeep Kashyap <kashyapk@vmware.com>

diff --git a/doc/developer/topotests.rst b/doc/developer/topotests.rst
index 5486fd826d6b528a6901752fe49ac1638a053811..865f0481dea2e32aa3fc0a98b9dc1f29123a6b14 100644 (file)
--- a/doc/developer/topotests.rst
+++ b/doc/developer/topotests.rst
@@ -23,6 +23,7 @@ Installing Mininet Infrastructure
    apt-get install iproute
    pip install ipaddr
    pip install "pytest<5"
+   pip install "scapy>=2.4.2"
    pip install exabgp==3.4.17 (Newer 4.0 version of exabgp is not yet
    supported)
    useradd -d /var/run/exabgp/ -s /bin/false exabgp