mirror of
https://github.com/GNS3/gns3-registry.git
synced 2024-12-22 14:12:28 +00:00
68 lines
2.0 KiB
ReStructuredText
68 lines
2.0 KiB
ReStructuredText
|
Docker Open vSwitch with SNMP for GNS3
|
||
|
|
--------------------------------------
|
||
|
|
Inspired by gns3/openvswitch
|
||
|
|
This are sources for docker image for a configurable Open vSwitch with SNMP and LLDP support.
|
||
|
|
|
||
|
|
By default, all ports will be added to br0. To have eth0 as dedicated mgmt. interface see below.
|
||
|
|
|
||
|
|
Use case examples:
|
||
|
|
- SNMP enabled switch
|
||
|
|
- test NMS / SNMP topology detection
|
||
|
|
|
||
|
|
Software
|
||
|
|
--------
|
||
|
|
Based on alpine:latest with additional net-snmp and lldpd packets installed.
|
||
|
|
|
||
|
|
SNMP agent will listen on all interfaces, read-only community is 'public'
|
||
|
|
LLDP agent is integrated with snmpd.
|
||
|
|
|
||
|
|
Both agents can be switched on or off by the respective environment variables.
|
||
|
|
|
||
|
|
Environment variables
|
||
|
|
---------------------
|
||
|
|
Set the following variables to either 1 or 0 to start or not start the corresponding protocols / daemons:
|
||
|
|
LLDP, SNMP, RSTP default 1
|
||
|
|
|
||
|
|
Dedicated management interface
|
||
|
|
------------------------------
|
||
|
|
If MANAGEMENT_INTERFACE=1 eth0 will not be added to br0 and needs to be configured
|
||
|
|
as usual.
|
||
|
|
|
||
|
|
Number of bridges
|
||
|
|
-----------------
|
||
|
|
By default one bridge (br0) is created and all interfaces are added.
|
||
|
|
To create more bridges set NUM_BR=n (default n=1).
|
||
|
|
Configuration of those additional bridges needs to be done manually.
|
||
|
|
|
||
|
|
RSTP
|
||
|
|
----
|
||
|
|
By default RSTP will be enabled (RSTP=1).
|
||
|
|
Use RSTP_ROOT to set bridge priority. 1 for primary root, 2 for secondary root bridge.
|
||
|
|
|
||
|
|
LLDP
|
||
|
|
----
|
||
|
|
Use LLDP_CHASSIS_ID=someName to configure chassis id.
|
||
|
|
|
||
|
|
LLDP_PID_TYPE={ifname | mac} configure the port id subtype e.g. what is used as port id.
|
||
|
|
For even more LLDP config, you can connect to a running container and edit /etc/lldpd.d/lldpd.conf
|
||
|
|
(the folder is added as docker volume for persistence).
|
||
|
|
|
||
|
|
Helpers
|
||
|
|
-------
|
||
|
|
/bin/rstp is a wrapper for ovs-vsctl.
|
||
|
|
Usage: rstp command [bridge]
|
||
|
|
status show status
|
||
|
|
enable enable RSTP
|
||
|
|
disable disable RSTP and forward BPDU
|
||
|
|
primary configure bridge as primary root
|
||
|
|
secondary configure bridge as secondary root
|
||
|
|
|
||
|
|
By default br0 will be used.
|
||
|
|
|
||
|
|
Building the container
|
||
|
|
#######################
|
||
|
|
|
||
|
|
.. code:: bash
|
||
|
|
|
||
|
|
docker build -t gns3/ovs-snmp .
|