################################################################################# # Version 1.0 $Revision: 1 $ # $Author: LRaicea $ # # Copyright © 1997 - 2006 by IXIA # All Rights Reserved. # # Revision Log: # 08-07-2006 LRaicea # ################################################################################# ################################################################################ # # # 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 user's 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 sample configures 10 L2TP tunnels with 10 sessions each between the # # first Ixia port and DUT. Traffic is sent between the two Ixia ports. # # Topology is the following: # # # # Access PPPoE L2TPoE Destination # # Network -------- LAC ---------- LNS(DUT) ----------- Network # # (Ixia Port1) (Ixia Port1) (Cisco 7200) (Ixia Port1) # # # # # # Module: # # The sample was tested on a LM1000STXS4 module. # # # ################################################################################ ################################################################################ # DUT configuration: # # # # username cisco password 0 cisco # aaa new-model # # aaa authentication login telnet enable # aaa authentication ppp default local # aaa session-id common # ip subnet-zero # no ip gratuitous-arps # no ip domain lookup # # ip multicast-routing # ip cef # # vpdn enable # vpdn ip udp ignore checksum # # vpdn-group LNS # accept-dialin # protocol l2tp # virtual-template 1 # local name lac # l2tp tunnel password 0 cisco # l2tp tunnel timeout no-session 1 # # bba-group pppoe global # virtual-template 1 # # interface Loopback1 # ip address 54.0.0.1 255.255.255.0 # # interface FastEthernet3/0 # ip address 12.70.0.1 255.255.255.0 # no ip mroute-cache # duplex half # pppoe enable group global # no keepalive # # interface FastEthernet5/0 # ip address 12.80.0.1 255.255.255.0 # no ip mroute-cache # duplex half # no keepalive # # interface Virtual-Template1 # mtu 1458 # ip unnumbered Loopback1 # no logging event link-status # no snmp trap link-status # peer default ip address pool pool1 # no keepalive # ppp max-bad-auth 10 # ppp mtu adaptive # ppp authentication chap pap # ppp timeout retry 15 # ppp timeout authentication 15 # # ip local pool pool1 54.0.0.2 54.0.0.254 # # ip classless # no ip http server # # line vty 0 16 # exec-timeout 0 0 # login authentication telnet # end # # ################################################################################ package require Ixia set test_name [info script] set chassisIP sylvester set port_list [list 9/3 9/4] set session_count 100 set tunnel_count 10 set sessions_per_tunnel [expr $session_count / $tunnel_count] # Connect to the chassis, reset to factory defaults and take ownership set connect_status [::ixia::connect \ -reset \ -device $chassisIP \ -port_list $port_list \ -username ixiaApiUser ] if {[keylget connect_status status] != $::SUCCESS} { return "FAIL - $test_name - [keylget connect_status log]" } set port_handle [list] foreach port $port_list { if {![catch {keylget connect_status port_handle.$chassisIP.$port} \ temp_port]} { lappend port_handle $temp_port } } set access_port [lindex $port_handle 0] set network_port [lindex $port_handle 1] ################################################################################ # Configure access interfaces in the test (one for each tunnel) ################################################################################ set port_handle_list "" set intf_ip_addr_list "" set gateway_list "" set speed_list "" set duplex_list "" set auto_list "" set phy_mode_list "" set netmask_list "" set src_mac_addr_list "" for {set i 2} {$i <= [expr $tunnel_count + 1]} {incr i} { lappend port_handle_list $access_port lappend intf_ip_addr_list 12.70.0.$i lappend gateway_list 12.70.0.1 lappend speed_list ether100 lappend duplex_list half lappend phy_mode_list copper lappend auto_list 1 lappend netmask_list 255.255.255.0 lappend src_mac_addr_list 00ab.00ab.[format "%04x" $i] } ################################################################################ # Configure network interface in the test ################################################################################ lappend port_handle_list $network_port lappend intf_ip_addr_list 12.80.0.2 lappend gateway_list 12.80.0.1 lappend speed_list ether100 lappend duplex_list half lappend phy_mode_list copper lappend auto_list 1 lappend netmask_list 255.255.255.0 lappend src_mac_addr_list 00cd.00cd.[format "%04x" $i] set interface_status [::ixia::interface_config \ -port_handle $port_handle_list \ -mode config \ -speed $speed_list \ -duplex $duplex_list \ -phy_mode $phy_mode_list \ -autonegotiation $auto_list \ -intf_ip_addr $intf_ip_addr_list \ -gateway $gateway_list \ -netmask $netmask_list \ -src_mac_addr $src_mac_addr_list] if {[keylget interface_status status] != $::SUCCESS} { return "FAIL - $test_name - [keylget interface_status log]" } ################################################################################ # Configure L2TP on access port ################################################################################ set l2tp_status [::ixia::l2tp_config \ -port_handle $access_port \ -mode lac \ -l2_encap ethernet_ii \ -num_tunnels $tunnel_count \ -l2tp_src_addr 12.70.0.2 \ -l2tp_dst_addr 12.70.0.1 \ -sessions_per_tunnel $sessions_per_tunnel \ -l2tp_src_count $tunnel_count \ -l2tp_src_step 0.0.0.1 \ -l2tp_dst_step 0.0.0.0 \ -udp_src_port 1701 \ -udp_dst_port 1701 \ -tunnel_id_start 1 \ -session_id_start 1 \ -tun_auth \ -hostname lac \ -secret cisco \ -tun_distribution next_tunnelfill_tunnel \ -auth_mode chap \ -username cisco \ -password cisco \ -attempt_rate 10 \ -rws $tunnel_count \ -offset_bit ] if {[keylget l2tp_status status] != $::SUCCESS} { return "FAIL - $test_name - [keylget l2tp_status log]" } set l2tp_handle [keylget l2tp_status handle] puts "L2TP handle is $l2tp_handle " ################################################################################ # Connect sessions ################################################################################ set control_status [::ixia::l2tp_control \ -handle $l2tp_handle \ -action connect ] if {[keylget control_status status] != $::SUCCESS} { return "FAIL - $test_name - [keylget control_status log]" } ################################################################################ # Get L2TP session/tunnel aggregate statistics ################################################################################ puts "Waiting for sessions and tunnels to establish ..." set l2tp_attempts 0 set l2tp_tunnels_up 0 while {($l2tp_tunnels_up < $session_count)} { after 10000 set l2tp_status [::ixia::l2tp_stats \ -handle $l2tp_handle \ -mode aggregate ] if {[keylget l2tp_status status] != $::SUCCESS} { return "FAIL - $test_name - [keylget l2tp_status log]" } set aggregate_stats [keylget l2tp_status aggregate] set l2tp_tunnels_up [keylget aggregate_stats sessions_up] incr l2tp_attempts } set statList { idle connecting num_sessions connected connect_success sessions_up tunnels_up tunnels_neg success_setup_rate min_setup_time max_setup_time avg_setup_time } puts "\n" puts [format "%-41s" "[string repeat * 14] L2TPoE STATS [string repeat * 13]"] puts "" puts [format "%-30s %-10s" Statistic Value] puts [format "%-41s" [string repeat "-" 41]] foreach {key} $statList { if {![catch {keylget aggregate_stats $key}]} { puts [format "%-30s | %-10d" $key [keylget aggregate_stats $key]] } } ################################################################################ # Configure bidirectional traffic ################################################################################ set traffic_status [::ixia::traffic_config \ -mode create \ -port_handle $access_port \ -port_handle2 $network_port \ -bidirectional 1 \ -l3_protocol ipv4 \ -ip_src_mode emulation \ -emulation_src_handle $l2tp_handle \ -ip_src_count $tunnel_count \ -ip_dst_mode fixed \ -ip_dst_addr 12.80.0.2 \ -l3_length 1000 \ -rate_percent 20 \ -transmit_mode continuous ] if {[keylget traffic_status status] != $::SUCCESS} { return "FAIL - $test_name - [keylget traffic_status log]" } ################################################################################ # Clear traffic stats ################################################################################ set control_status [::ixia::traffic_control \ -port_handle $port_handle \ -action clear_stats ] if {[keylget control_status status] != $::SUCCESS} { return "FAIL - $test_name - [keylget control_status log]" } ################################################################################ # Start traffic ################################################################################ set control_status [::ixia::traffic_control \ -port_handle $port_handle \ -action run ] if {[keylget control_status status] != $::SUCCESS} { return "FAIL - $test_name - [keylget control_status log]" } after 60000 ################################################################################ # Stop traffic ################################################################################ set control_status [::ixia::traffic_control \ -port_handle $port_handle \ -action stop ] if {[keylget control_status status] != $::SUCCESS} { return "FAIL - $test_name - [keylget control_status log]" } ############################################################################### # Retrieve aggregate stats after traffic stopped ############################################################################### set aggregate_stats [::ixia::traffic_stats -port_handle $port_handle] if {[keylget aggregate_stats status] != $::SUCCESS} { return "FAIL - $test_name - [keylget aggregate_stats log]" } proc post_stats {port_handle label key_list stat_key {stream ""}} { puts -nonewline [format "%-16s" $label] foreach port $port_handle { if {$stream != ""} { set key $port.stream.$stream.$stat_key } else { set key $port.$stat_key } puts -nonewline "[format "%-16s" [keylget key_list $key]]" } puts "" } puts "\n******************* TX/RX STATS **********************" puts "\t\t$access_port\t\t$network_port" puts "\t\t-----\t\t-----" post_stats $port_handle "Elapsed Time" $aggregate_stats \ aggregate.tx.elapsed_time post_stats $port_handle "Packets Tx" $aggregate_stats aggregate.tx.pkt_count post_stats $port_handle "Raw Packets Tx" $aggregate_stats \ aggregate.tx.raw_pkt_count post_stats $port_handle "Bytes Tx" $aggregate_stats \ aggregate.tx.pkt_byte_count post_stats $port_handle "Bits Tx" $aggregate_stats \ aggregate.tx.pkt_bit_count post_stats $port_handle "Packets Rx" $aggregate_stats aggregate.rx.pkt_count post_stats $port_handle "Raw Packets Rx" $aggregate_stats \ aggregate.rx.raw_pkt_count post_stats $port_handle "Collisions" $aggregate_stats \ aggregate.rx.collisions_count post_stats $port_handle "Dribble Errors" $aggregate_stats \ aggregate.rx.dribble_errors_count post_stats $port_handle "CRCs" $aggregate_stats \ aggregate.rx.crc_errors_count post_stats $port_handle "Oversizes" $aggregate_stats \ aggregate.rx.oversize_count post_stats $port_handle "Undersizes" $aggregate_stats \ aggregate.rx.undersize_count post_stats $port_handle "RX PCKTS TOS0" $aggregate_stats aggregate.rx.qos0_count post_stats $port_handle "RX PCKTS TOS1" $aggregate_stats aggregate.rx.qos1_count post_stats $port_handle "RX PCKTS TOS2" $aggregate_stats aggregate.rx.qos2_count post_stats $port_handle "RX PCKTS TOS3" $aggregate_stats aggregate.rx.qos3_count post_stats $port_handle "RX PCKTS TOS4" $aggregate_stats aggregate.rx.qos4_count post_stats $port_handle "RX PCKTS TOS5" $aggregate_stats aggregate.rx.qos5_count post_stats $port_handle "RX PCKTS TOS6" $aggregate_stats aggregate.rx.qos6_count post_stats $port_handle "RX PCKTS TOS7" $aggregate_stats aggregate.rx.qos7_count puts "******************************************************\n" ################################################################################ # If you want to clean up after this script, then take out the if 0 logic # It is not called so that you can view the setup after the script executes ################################################################################ if {0} { ############################################################################ # Disconnect sessions ############################################################################ puts "Disconnecting sessions ... " set control_status [::ixia::pppox_control \ -handle $l2tp_handle \ -action disconnect ] if {[keylget control_status status] != $::SUCCESS} { return "FAIL - $test_name - [keylget control_status log]" } set cleanup_status [::ixia::cleanup_session ] if {[keylget cleanup_status status] != $::SUCCESS} { return "FAIL - $test_name - [keylget cleanup_status log]" } } return "SUCCESS - $test_name - [clock format [clock seconds]]"