# -*- coding: cp1252 -*- ################################################################################ # # # Copyright 1997 - 2020 by IXIA Keysight # # All Rights Reserved. # # # ################################################################################ ################################################################################ # # # LEGAL NOTICE: # # ============== # # The following code and documentation (hereinafter "the script") is an # # example script for demonstration purposes only. # # The script is not a standard commercial product offered by Ixia and have # # been developed and is being provided for use only as indicated herein. The # # script [and all modifications enhancements and updates thereto (whether # # made by Ixia and/or by the user and/or by a third party)] shall at all times # # remain the property of Ixia. # # # # Ixia does not warrant (i) that the functions contained in the script will # # meet the users requirements or (ii) that the script will be without # # omissions or error-free. # # THE SCRIPT IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND AND IXIA # # DISCLAIMS ALL WARRANTIES EXPRESS IMPLIED STATUTORY OR OTHERWISE # # INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR # # A PARTICULAR PURPOSE OR OF NON-INFRINGEMENT. # # THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SCRIPT IS WITH THE # # USER. # # IN NO EVENT SHALL IXIA BE LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING # # OUT OF THE USE OF OR THE INABILITY TO USE THE SCRIPT OR ANY PART THEREOF # # INCLUDING BUT NOT LIMITED TO ANY LOST PROFITS LOST BUSINESS LOST OR # # DAMAGED DATA OR SOFTWARE OR ANY INDIRECT INCIDENTAL PUNITIVE OR # # CONSEQUENTIAL DAMAGES EVEN IF IXIA HAS BEEN ADVISED OF THE POSSIBILITY OF # # SUCH DAMAGES IN ADVANCE. # # Ixia will not be required to provide any software maintenance or support # # services of any kind (e.g. any error corrections) in connection with the # # script or any part thereof. The user acknowledges that although Ixia may # # from time to time and in its sole discretion provide maintenance or support # # services for the script any such services are subject to the warranty and # # damages limitations set forth herein and will not obligate Ixia to provide # # any additional maintenance or support services. # # # ################################################################################ ################################################################################ # # # Description: # # This script intends to demonstrate how to use NGPF S-BFD using Python # # # # 1. Configuration of protocols as described in topology. # # 2. Start all protocols. # # 3. Retrieve protocol statistics and check Learned Information # # 4. Deactivate the first initiator OTF # # 5. Retrieve protocol statistics check Learned Information again. # # 6. Deactivate the first initiator OTF # # 7. Retrieve protocol statistics again # # 8. Change the discrminator of the first responder OTF # # 9. Retrieve protocol statistics again. # # 10. Stop all protocols. # ################################################################################ import os import sys import time def assignPorts (ixNet, realPort1, realPort2) : chassis1 = realPort1[0] chassis2 = realPort2[0] card1 = realPort1[1] card2 = realPort2[1] port1 = realPort1[2] port2 = realPort2[2] root = ixNet.getRoot() vport1 = ixNet.add(root, 'vport') ixNet.commit() vport1 = ixNet.remapIds(vport1)[0] vport2 = ixNet.add(root, 'vport') ixNet.commit() vport2 = ixNet.remapIds(vport2)[0] chassisObj1 = ixNet.add(root + '/availableHardware', 'chassis') ixNet.setAttribute(chassisObj1, '-hostname', chassis1) ixNet.commit() chassisObj1 = ixNet.remapIds(chassisObj1)[0] if (chassis1 != chassis2) : chassisObj2 = ixNet.add(root + '/availableHardware', 'chassis') ixNet.setAttribute(chassisObj2, '-hostname', chassis2) ixNet.commit() chassisObj2 = ixNet.remapIds(chassisObj2)[0] else : chassisObj2 = chassisObj1 # end if cardPortRef1 = chassisObj1 + '/card:%s/port:%s' % (card1,port1) ixNet.setMultiAttribute(vport1, '-connectedTo', cardPortRef1, '-rxMode', 'captureAndMeasure', '-name', 'Ethernet - 001') ixNet.commit() cardPortRef2 = chassisObj2 + '/card:%s/port:%s' % (card2,port2) ixNet.setMultiAttribute(vport2, '-connectedTo', cardPortRef2, '-rxMode', 'captureAndMeasure', '-name', 'Ethernet - 002') ixNet.commit() # end def assignPorts ################################################################################ # Either feed the ixNetwork library path in the sys.path as below, or put the # IxNetwork.pm file somewhere else where we python can autoload it. # "IxNetwork.pm" is available in \API\Python ################################################################################ ixNetPath = r'/home/lacp/regress-test/linux-run' sys.path.append(ixNetPath) import IxNetwork ################################################################################# # Give chassis/client/ixNetwork server port/ chassis port HW port information # below ################################################################################# ixTclServer = '10.39.50.134' ixTclPort = '8998' ports = [('10.39.50.126', '1', '9',), ('10.39.50.126', '1', '13',)] # get IxNet class ixNet = IxNetwork.IxNet() print("connecting to IxNetwork client") ixNet.connect(ixTclServer, '-port', ixTclPort, '-version', '8.60', '-setAttribute', 'strict') print("cleaning up the old configfile, and creating an empty config") ixNet.execute('newConfig') # assigning ports assignPorts(ixNet, ports[0], ports[1]) time.sleep(5) root = ixNet.getRoot() vportTx = ixNet.getList(root, 'vport')[0] vportRx = ixNet.getList(root, 'vport')[1] print("adding topologies") ixNet.add(root, 'topology', '-vports', vportTx) ixNet.add(root, 'topology', '-vports', vportRx) ixNet.commit() topologies = ixNet.getList(ixNet.getRoot(), 'topology') topo1 = topologies[0] topo2 = topologies[1] print ("Adding 2 device groups") ixNet.add(topo1, 'deviceGroup') ixNet.add(topo2, 'deviceGroup') ixNet.commit() t1devices = ixNet.getList(topo1, 'deviceGroup') t2devices = ixNet.getList(topo2, 'deviceGroup') t1dev1 = t1devices[0] t2dev1 = t2devices[0] print("Configuring the multipliers (number of sessions)") ixNet.setAttribute(t1dev1, '-multiplier', '1') ixNet.setAttribute(t2dev1, '-multiplier', '1') ixNet.commit() print("Adding ethernet/mac endpoints") ixNet.add(t1dev1, 'ethernet') ixNet.add(t2dev1, 'ethernet') ixNet.commit() mac1 = ixNet.getList(t1dev1, 'ethernet')[0] mac2 = ixNet.getList(t2dev1, 'ethernet')[0] print("Configuring the mac addresses %s" % (mac1)) ixNet.setMultiAttribute(ixNet.getAttribute(mac1, '-mac') + '/counter', '-direction', 'increment', '-start', '00:11:01:00:00:01', '-step', '00:00:00:00:00:01') ixNet.setMultiAttribute(ixNet.getAttribute(mac2, '-mac') + '/counter', '-direction', 'increment', '-start', '00:12:01:00:00:01', '-step', '00:00:00:00:00:01') ixNet.commit() print("Add ipv4") ixNet.add(mac1, 'ipv4') ixNet.add(mac2, 'ipv4') ixNet.commit() ip1 = ixNet.getList(mac1, 'ipv4')[0] ip2 = ixNet.getList(mac2, 'ipv4')[0] mvAdd1 = ixNet.getAttribute(ip1, '-address') mvAdd2 = ixNet.getAttribute(ip2, '-address') mvGw1 = ixNet.getAttribute(ip1, '-gatewayIp') mvGw2 = ixNet.getAttribute(ip2, '-gatewayIp') print("configuring ipv4 addresses") ixNet.setAttribute(mvAdd1 + '/singleValue', '-value', '20.20.20.1') ixNet.setAttribute(mvAdd2 + '/singleValue', '-value', '20.20.20.2') ixNet.setAttribute(mvGw1 + '/singleValue', '-value', '20.20.20.2') ixNet.setAttribute(mvGw2 + '/singleValue', '-value', '20.20.20.1') ixNet.setAttribute(ixNet.getAttribute(ip1, '-prefix') + '/singleValue', '-value', '24') ixNet.setAttribute(ixNet.getAttribute(ip2, '-prefix') + '/singleValue', '-value', '24') ixNet.setMultiAttribute(ixNet.getAttribute(ip1, '-resolveGateway') + '/singleValue', '-value', 'true') ixNet.setMultiAttribute(ixNet.getAttribute(ip2, '-resolveGateway') + '/singleValue', '-value', 'true') ixNet.commit() # Adding ISIS over Ethernet stack print("Adding ISISl3 over Ethernet stacks") ixNet.add(mac1, 'isisL3') ixNet.add(mac2, 'isisL3') ixNet.commit() isisL3_1 = ixNet.getList(mac1, 'isisL3')[0] isisL3_2 = ixNet.getList(mac2, 'isisL3')[0] print("Renaming the topologies and the device groups") ixNet.setAttribute(topo1, '-name', 'S-BFD Inititator Topology') ixNet.setAttribute(topo2, '-name', 'S-BFD Responder Topology') ixNet.commit() # Adding Network group behind DeviceGroup print("Adding NetworkGroup behind ISISL3 DG") ixNet.add(t1dev1, 'networkGroup') ixNet.add(t2dev1, 'networkGroup') ixNet.commit() networkGroup1 = ixNet.getList(t1dev1, 'networkGroup')[0] networkGroup2 = ixNet.getList(t2dev1, 'networkGroup')[0] ixNet.commit() ixNet.setAttribute(networkGroup1, '-multiplier', '1') ixNet.setAttribute(networkGroup2, '-multiplier', '1') ixNet.commit() print("Configuring network topology in the network group") ixNet.add(networkGroup1, 'networkTopology') ixNet.add(networkGroup2, 'networkTopology') ixNet.commit() nt1 = ixNet.getList(networkGroup1, 'networkTopology')[0] nt2 = ixNet.getList(networkGroup2, 'networkTopology')[0] ixNet.commit() ixNet.add(nt1, 'netTopologyLinear') ixNet.add(nt2, 'netTopologyLinear') ixNet.commit() nt11 = ixNet.getList(nt1, 'netTopologyLinear')[0] nt12 = ixNet.getList(nt2, 'netTopologyLinear')[0] ixNet.setAttribute(nt11, '-nodes', '150') ixNet.setAttribute(nt12, '-nodes', '150') ixNet.commit() print("Enabling segment routing and ocnfiguring Node prefix and labels") ixNet.add(nt1, 'simRouter') ixNet.add(nt2, 'simRouter') ixNet.commit() simRouter1 = ixNet.getList(nt1, 'simRouter')[0] simRouter2 = ixNet.getList(nt2, 'simRouter')[0] ixNet.add(simRouter1, 'isisL3PseudoRouter') ixNet.add(simRouter2, 'isisL3PseudoRouter') ixNet.commit() simRouter1 = ixNet.getList(simRouter1, 'isisL3PseudoRouter')[0] simRouter2 = ixNet.getList(simRouter2, 'isisL3PseudoRouter')[0] print("Enabling Segment Routing") ixNet.setAttribute(simRouter2, '-enableSR', 'true') ixNet.commit() nodePrefix1 = ixNet.getAttribute(simRouter2, '-nodePrefix') ixNet.setMultiAttribute(nodePrefix1, '-clearOverlays', 'false', '-pattern', 'counter') counter1 = ixNet.add(nodePrefix1, 'counter') ixNet.setMultiAttribute(counter1, '-step', '0.0.0.1', '-start', '2.2.2.2', '-direction', 'increment') ixNet.commit() sIDIndexLabel1 = ixNet.getAttribute(simRouter2, '-sIDIndexLabel') ixNet.setMultiAttribute(sIDIndexLabel1, '-clearOverlays', 'false', '-pattern', 'counter') counter2 = ixNet.add(sIDIndexLabel1, 'counter') ixNet.setMultiAttribute(counter2, '-step', '1', '-start', '1', '-direction', 'increment') ixNet.commit() print("Adding Device Group behind Network Groups") ixNet.add(networkGroup1, 'deviceGroup') ixNet.add(networkGroup2, 'deviceGroup') ixNet.commit() t1dev2 = ixNet.getList(networkGroup1, 'deviceGroup')[0] t2dev2 = ixNet.getList(networkGroup2, 'deviceGroup')[0] print("Configuring the multipliers") ixNet.setAttribute(t1dev2, '-multiplier', '150') ixNet.setAttribute(t2dev2, '-multiplier', '150') ixNet.commit() ixNet.setAttribute(t1dev2, '-name', 'Inititator') ixNet.setAttribute(t2dev2, '-name', 'Responder') ixNet.commit() print("Adding loopback in second device group of both topologies") ixNet.add(t1dev2, 'ipv4Loopback') ixNet.add(t2dev2, 'ipv4Loopback') ixNet.commit() ipv4Loopback1 = ixNet.getList(t1dev2, 'ipv4Loopback')[0] ipv4Loopback2 = ixNet.getList(t2dev2, 'ipv4Loopback')[0] print("Assigning ipv4 address on Loop Back Interface") addressSet1 = ixNet.getAttribute(ipv4Loopback1, '-address') ixNet.setMultiAttribute(addressSet1, '-clearOverlays', 'false', '-pattern', 'counter') addressSet2 = ixNet.getAttribute(ipv4Loopback2, '-address') ixNet.setMultiAttribute(addressSet2, '-clearOverlays', 'false', '-pattern', 'counter') ixNet.commit() counter1 = ixNet.add(addressSet1, 'counter') counter2 = ixNet.add(addressSet2, 'counter') ixNet.setMultiAttribute(counter1, '-step', '0.0.0.1', '-start', '1.1.1.1', '-direction', 'increment') ixNet.setMultiAttribute(counter2, '-step', '0.0.0.1', '-start', '2.2.2.2', '-direction', 'increment') ixNet.commit() print("Adding mplsoam on the loopback interface of both topologies") ixNet.add(ipv4Loopback1, 'mplsOam') ixNet.add(ipv4Loopback2, 'mplsOam') ixNet.commit() mplsoam1 = ixNet.getList(ipv4Loopback1, 'mplsOam')[0] mplsoam2 = ixNet.getList(ipv4Loopback2, 'mplsOam')[0] ipv4Loopback1 = ixNet.getList(t1dev2, 'ipv4Loopback')[0] ipv4Loopback2 = ixNet.getList(t2dev2, 'ipv4Loopback')[0] ixNet.setAttribute(mplsoam2, '-enableSBfdResponder', 'true') ixNet.setAttribute(mplsoam1, '-initiatorSBFDSessionCount', '1') ixNet.commit() ixNet.add(mplsoam1, 'sbfdInitiator') ixNet.commit() sbfdinit = ixNet.getList(mplsoam1, 'sbfdInitiator')[0] ixNet.commit() peerDisc = ixNet.getAttribute(sbfdinit, '-peerDiscriminator') ixNet.setMultiAttribute(peerDisc, '-clearOverlays', 'false', '-pattern', 'counter') counter3 = ixNet.add(peerDisc, 'counter') ixNet.setMultiAttribute(counter3, '-step', '1', '-start', '1', '-direction', 'increment') ixNet.commit() ixNet.add(sbfdinit, 'mplsLabelList') ixNet.commit() sbflabel = ixNet.getList(sbfdinit, 'mplsLabelList')[0] label = ixNet.getAttribute(sbflabel, '-mplsLabel') ixNet.setMultiAttribute(label, '-clearOverlays', 'false', '-pattern', 'counter') counter4 = ixNet.add(label, 'counter') ixNet.setMultiAttribute(counter4, '-step', '1', '-start', '16001', '-direction', 'increment') ixNet.commit() ################################################################################ # 2. Start all protocols and wait for 120 seconds ################################################################################ print("Starting protocols and waiting for 60 seconds for protocols to come up") ixNet.execute('startAllProtocols') time.sleep(120) ################################################################################ # 3. Retrieve protocol statistics. ################################################################################ print ("Fetching all Protocol Summary Stats\n") viewPage = '::ixNet::OBJ-/statistics/view:"MPLSOAM IF Per Port"/page' statcap = ixNet.getAttribute(viewPage, '-columnCaptions') for statValList in ixNet.getAttribute(viewPage, '-rowValues') : for statVal in statValList : print("***************************************************") index = 0 for satIndv in statVal : print("%-30s:%s" % (statcap[index], satIndv)) index = index + 1 # end for # end for # end for print("***************************************************") ############################################################################### # Retrieve protocol learned info # ############################################################################### print("Fetching MPLSOAM learned info") ixNet.execute('getAllLearnedInfo', mplsoam1, '3') time.sleep(5) linfo = ixNet.getList(mplsoam1, 'learnedInfo')[0] values = ixNet.getAttribute(linfo, '-values') print("***************************************************") for v in values : print(v) # end for print("***************************************************") ################################################################################ # 3.Deactivating the 1st initiator OTF ################################################################################ print("Deactivating the 1st initiator OTF") active = ixNet.getAttribute(sbfdinit, '-active') overlay1 = ixNet.add(active, 'overlay') ixNet.setMultiAttribute(overlay1, '-index', 1, '-value', 'false') ixNet.commit() globalObj = ixNet.getRoot() + '/globals' topology = globalObj + '/topology' print ("Applying changes on the fly") try : ixNet.execute('applyOnTheFly', topology) except : print("error in applying on the fly change") # end try/expect time.sleep(20) ############################################################################### # 4. Retrieve protocol statistics again and compare with # previouly retrieved statistics. ############################################################################### print ("Fetching all Protocol Summary Stats\n") viewPage = '::ixNet::OBJ-/statistics/view:"MPLSOAM IF Per Port"/page' statcap = ixNet.getAttribute(viewPage, '-columnCaptions') for statValList in ixNet.getAttribute(viewPage, '-rowValues') : for statVal in statValList : print("***************************************************") index = 0 for satIndv in statVal : print("%-30s:%s" % (statcap[index], satIndv)) index = index + 1 # end for # end for # end for print("***************************************************") ############################################################################### # Retrieve protocol learned info # ############################################################################### print("Fetching MPLSOAM learned info") ixNet.execute('getAllLearnedInfo', mplsoam1, '3') time.sleep(5) linfo = ixNet.getList(mplsoam1, 'learnedInfo')[0] values = ixNet.getAttribute(linfo, '-values') print("***************************************************") for v in values : print(v) # end for print("***************************************************") ################################################################################ # 5.Activating the 1st initiator OTF ################################################################################ print("Activating the 1st initiator OTF") active2 = ixNet.getAttribute(sbfdinit, '-active') overlay2 = ixNet.add(active2, 'overlay') ixNet.setMultiAttribute(overlay2, '-index', 1, '-value', 'true') ixNet.commit() globalObj = ixNet.getRoot() + '/globals' topology = globalObj + '/topology' print ("Applying changes on the fly") try : ixNet.execute('applyOnTheFly', topology) except : print("error in applying on the fly change") # end try/expect time.sleep(30) ############################################################################### # 6. Retrieve protocol statistics again and compare with # previouly retrieved statistics. ############################################################################### print ("Fetching all Protocol Summary Stats\n") viewPage = '::ixNet::OBJ-/statistics/view:"MPLSOAM IF Per Port"/page' statcap = ixNet.getAttribute(viewPage, '-columnCaptions') for statValList in ixNet.getAttribute(viewPage, '-rowValues') : for statVal in statValList : print("***************************************************") index = 0 for satIndv in statVal : print("%-30s:%s" % (statcap[index], satIndv)) index = index + 1 # end for # end for # end for print("***************************************************") time.sleep(5) ################################################################################ # 7. Stop all protocols ################################################################################ print ('Stopping protocols') ixNet.execute('stopAllProtocols') print ('!!! Test Script Ends !!!')