[Mini-NDN] not known command in some topology

[sepehr abdous]

Hello all,
I'm new to mini-ndn, I implemented a topology using minindnEdit as bellow

[nodes]
node6: _ hyperbolic-state=off radius=0.0 angle=0.0 network=/ndn
router=/%C1.Router/cs/node6 site=/edu/site nlsr-log-level=INFO
max-faces-per-prefix=0 nfd-log-level=INFO
node4: _ hyperbolic-state=off radius=0.0 angle=0.0 network=/ndn
router=/%C1.Router/cs/node4 site=/edu/site nlsr-log-level=INFO
max-faces-per-prefix=0 nfd-log-level=INFO
node2: _ hyperbolic-state=off radius=0.0 angle=0.0 network=/ndn
router=/%C1.Router/cs/node2 site=/edu/site nlsr-log-level=INFO
max-faces-per-prefix=0 nfd-log-level=INFO
node5: _ hyperbolic-state=off radius=0.0 angle=0.0 network=/ndn
router=/%C1.Router/cs/node5 site=/edu/site nlsr-log-level=INFO
max-faces-per-prefix=0 nfd-log-level=INFO
node3: _ hyperbolic-state=off radius=0.0 angle=0.0 network=/ndn
router=/%C1.Router/cs/node3 site=/edu/site nlsr-log-level=INFO
max-faces-per-prefix=0 nfd-log-level=INFO
node1: _ hyperbolic-state=off radius=0.0 angle=0.0 network=/ndn
router=/%C1.Router/cs/node1 site=/edu/site nlsr-log-level=INFO
max-faces-per-prefix=0 nfd-log-level=INFO
[switches]
[links]
node1:node2
node1:node3
node3:node5
node5:node6
node6:node4
node4:node2
node4:node3
node3:node6


and then wrote the command:
minindn minindn.conf

but when everything was set up and I tried to use the command:
a echo "hello"
for mininet based on the following link:
https://github.com/named-data/mini-ndn/blob/master/docs/GETTING-STARTED.md

I've encountered the following error:
mininet> a echo "hello"
*** Unknown command: a echo "hello"
mininet> a nfd-status
*** Unknown command: a nfd-status
mininet> a nlsrc status
*** Unknown command: a nlsrc status

 while all of these work fine when I use default topology,

could someone help me with this problem please.

the full version is:

minindn minindn.conf
Parse of minindn.conf done.
*** Creating network
*** Adding controller
*** Adding hosts:
node1 node2 node3 node4 node5 node6
*** Adding switches:

*** Adding links:
(node1, node2) (node1, node3) (node3, node5) (node3, node6) (node4, node2)
(node4, node3) (node5, node6) (node6, node4)
*** Configuring hosts
node1 node2 node3 node4 node5 node6
Setup time: 12
*** Starting controller
c0
*** Starting 0 switches

*** Starting CLI:
mininet> a echo "hello"
*** Unknown command: a echo "hello"
mininet> a nfd-status
*** Unknown command: a nfd-status
mininet> a nlsrc status
*** Unknown command: a nlsrc status
mininet> quit
*** Stopping 1 controllers
c0
*** Stopping 8 links
........
*** Stopping 0 switches

*** Stopping 6 hosts
node1 node2 node3 node4 node5 node6
*** Done


Thank you

-- 
Sepehr Abdous
Faculty: abdous at ce.sharif.edu
Yahoo mail: sepehrabdous at yahoo.com
Cellphone:+989194030591
School of computer engineering
Sharif University of Technology
Tehran, Iran
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