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Hello,
I am trying to run a discovery. I get correct result from the root switch and connected ones, however, it crashs when it encounters a workstation that has ipv4 and ipv6. See below logs:
kpoman@vmlab:~/natlas-master$ python3 natlas-cli.py diagram -r 10.1.1.29 -o lffm_natlas.png -c natlas.conf -d 3
natlas v0.12.1
Michael Laforest <[email protected]>
Python 3.8.10
Config file: natlas.conf
Output file: lffm_natlas.png
Out Catalog file: None
Root node: 10.1.1.29
Discover depth: 3
Diagram title: natlas Diagram
Discovery codes:
. depth ! connection error
+ discovering node > numerating adjacencies
i include node L leaf node
Discovering network...
1 [root] +Rack Principal (10.1.1.29)
[root] >Rack Principal (10.1.1.29)
2 [lldp] +.sw35 (10.1.1.35)
3 [lldp] +.sw38 (10.1.1.38)
4 [lldp] +.sw36 (10.1.1.36)
5 [lldp] +.sw37 (10.1.1.37)
6 [lldp] +.sw39 (10.1.1.39)
Traceback (most recent call last):
File "/home/kpoman/.local/lib/python3.8/site-packages/pysnmp/hlapi/asyncore/transport.py", line 56, in _resolveAddr
return socket.getaddrinfo(transportAddr[0],
File "/usr/lib/python3.8/socket.py", line 918, in getaddrinfo
for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -2] Name or service not known
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "natlas-cli.py", line 305, in <module>
main(sys.argv[1:])
File "natlas-cli.py", line 96, in main
exec_mod(mod, argv[1:])
File "natlas-cli.py", line 167, in exec_mod
modret = module.entryfunc(natlas_obj, argv)
File "/home/kpoman/natlas-master/./modules/diagram.py", line 85, in mod_entry
natlas_obj.discover_network(opt_root_ip, 1)
File "/home/kpoman/natlas-master/natlas/natlas.py", line 102, in discover_network
self.network.discover(root_ip)
File "/home/kpoman/natlas-master/natlas/network.py", line 117, in discover
self.__discover_node(node, 0)
File "/home/kpoman/natlas-master/natlas/network.py", line 397, in __discover_node
child, query_result = self.__query_node(n.remote_ip, n.remote_name)
File "/home/kpoman/natlas-master/natlas/network.py", line 275, in __query_node
if (node.try_snmp_creds(self.config.snmp_creds) == 0):
File "/home/kpoman/natlas-master/natlas/node.py", line 249, in try_snmp_creds
if (self.snmpobj.get_cred(snmp_creds) == 1):
File "/home/kpoman/natlas-master/natlas/snmp.py", line 156, in get_cred
cmdgen.UdpTransportTarget((self._ip, SNMP_PORT)),
File "/home/kpoman/.local/lib/python3.8/site-packages/pysnmp/hlapi/transport.py", line 19, in __init__
self.transportAddr = self._resolveAddr(transportAddr)
File "/home/kpoman/.local/lib/python3.8/site-packages/pysnmp/hlapi/asyncore/transport.py", line 62, in _resolveAddr
raise error.PySnmpError('Bad IPv4/UDP transport address %s: %s' % (
pysnmp.error.PySnmpError: Bad IPv4/UDP transport address 254.128.0.0.0.0.0.0.2.12.41.255.254.104.242.110@161: [Errno -2] Name or service not knowncaused by <class 'socket.gaierror'>: [Errno -2] Name or service not known
kpoman@vmlab:~/natlas-master$
Hello,
I am trying to run a discovery. I get correct result from the root switch and connected ones, however, it crashs when it encounters a workstation that has ipv4 and ipv6. See below logs:
When debugging, I do see a node with this data:
<name=vmlab, ip=['254.128.0.0.0.0.0.0.2.12.41.255.254.104.242.110'], plat=None, ios=None, serial=None, router=None, vss=<enabled=0,domain=None,members=[<serial=None,plat=None>, <serial=None,plat=None>]>, stack=<enabled=0,count=0,members=[]>>
looking at that reported IP, it does match with that station ipv6 address: fe80::20c:29ff:fe68:f26e/64
Is there any woakraround ?
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