################################################################################ # Version 1.0 $Revision: 3 $ # $Author: LRaicea $ # # Copyright © 1997 - 2007 by IXIA # All Rights Reserved. # # Revision Log: # 07-20-2007 LRaicea - created sample # 10-16-2007 MVasile - updated the session status checking # 11-28-2007 LRaicea - updated statistics retrieval # ################################################################################ ################################################################################ # # # 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 creates BFD and OSPF emulation on two Ixia ports connected to # # each other. # # One BFD router is created on each port. # # Each BFD router will have 1 router interfaces. # # The BFD router interface will be configured as a GRE tunnel. # # For each BFD router interface we add one IPv4 BFD session. # # 2 OSPF routers are created on each port. # # The protocols are started and statistics are being retrieved. # # # # Module: # # The sample was tested on a LM1000STXS4 module. # # The sample was tested with HLTSET27. # # # ################################################################################ package require Ixia set test_name [info script] set chassisIP sylvester set port_list [list 2/1 2/2] set intf_connected_0 20.0.0.1 set intf_connected_1 20.0.0.2 set loop_count 2 set intf_loop_0 5.0.0.1 set intf_loop_step_0 0.0.1.0 set intf_loop_1 7.0.0.1 set intf_loop_step_1 0.0.1.0 set gre_count 1 set intf_gre_0 2.0.0.1 set intf_gre_step_0 0.0.1.0 set intf_gre_1 3.0.0.1 set intf_gre_step_1 0.0.1.0 # Connect to the chassis, reset to factory defaults and take ownership # When using P2NO HLTSET, for loading the IxTclNetwork package please # provide –ixnetwork_tcl_server parameter to ::ixia::connect set connect_status [::ixia::connect \ -reset \ -ixnetwork_tcl_server localhost \ -device $chassisIP \ -port_list $port_list \ -username ixiaApiUser \ ] if {[keylget connect_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget connect_status log]" return } 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 port_0 [lindex $port_handle 0] set port_1 [lindex $port_handle 1] puts "Ixia port handles are: $port_0, $port_1 ... \n\n" update idletasks ################################################################################ # Configure interface in the test ################################################################################ set interface_status [::ixia::interface_config \ -port_handle [list $port_0 $port_1] \ -intf_mode ethernet \ -autonegotiation 1 \ -speed auto \ -duplex auto \ ] if {[keylget interface_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget interface_status log]" return } puts "Ixia port configuration returned: [keylget interface_status status] ...\n\n" update idletasks ################################################################################ # Configure BFD routers ################################################################################ # Connected IP Loopback IP GRE IP GRE DST # = GRE SRC # ------------------------------------------------- # 20.0.0.1 5.0.0.1 2.0.0.1 7.0.0.1 # 5.0.1.1 2.0.4.1 7.0.1.1 set bfd_router_status [::ixia::emulation_bfd_config \ -mode create \ -reset \ -port_handle $port_0 \ -mac_address_init 0ab0.0026.0001 \ -count 1 \ -intf_count 1 \ -intf_ip_addr $intf_connected_0 \ -intf_ip_prefix_length 24 \ -intf_gw_ip_addr $intf_connected_1 \ -router_id $intf_connected_0 \ -loopback_count $loop_count \ -loopback_ip_addr $intf_loop_0 \ -loopback_ip_addr_step $intf_loop_step_0 \ -loopback_ip_prefix_length 24 \ -gre_count $gre_count \ -gre_ip_addr $intf_gre_0 \ -gre_ip_addr_step $intf_gre_step_0 \ -gre_ip_prefix_length 24 \ -gre_dst_ip_addr $intf_loop_1 \ -gre_dst_ip_addr_step 0.0.0.0 \ -gre_dst_ip_addr_lstep $intf_loop_step_1 \ -gre_dst_ip_addr_cstep 0.0.0.0 \ -gre_src_ip_addr_mode routed \ ] if {[keylget bfd_router_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bfd_router_status log]" return } set bfd_router_0 [keylget bfd_router_status router_handles] set gre_interfaces_0 [keylget bfd_router_status interface_handles.${bfd_router_0}] ################################################################################ # Connected IP Loopback IP GRE IP GRE DST # = GRE SRC # ------------------------------------------------- # 20.0.0.2 7.0.0.1 3.0.0.1 5.0.0.1 # 7.0.1.1 3.0.4.1 5.0.1.1 set bfd_router_status [::ixia::emulation_bfd_config \ -mode create \ -reset \ -port_handle $port_1 \ -mac_address_init 0ab0.0026.0002 \ -count 1 \ -intf_count 1 \ -intf_ip_addr $intf_connected_1 \ -intf_ip_prefix_length 24 \ -intf_gw_ip_addr $intf_connected_0 \ -router_id $intf_connected_1 \ -loopback_count $loop_count \ -loopback_ip_addr $intf_loop_1 \ -loopback_ip_addr_step $intf_loop_step_1 \ -loopback_ip_prefix_length 24 \ -gre_count $gre_count \ -gre_ip_addr $intf_gre_1 \ -gre_ip_addr_step $intf_gre_step_1 \ -gre_ip_prefix_length 24 \ -gre_dst_ip_addr $intf_loop_0 \ -gre_dst_ip_addr_step 0.0.0.0 \ -gre_dst_ip_addr_lstep $intf_loop_step_0 \ -gre_dst_ip_addr_cstep 0.0.0.0 \ -gre_src_ip_addr_mode routed \ ] if {[keylget bfd_router_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bfd_router_status log]" return } set bfd_router_1 [keylget bfd_router_status router_handles] set gre_interfaces_1 [keylget bfd_router_status interface_handles.${bfd_router_1}] puts "Ixia BFD routers are: $bfd_router_0, $bfd_router_1 ... \n\n" update idletasks ################################################################################ # Configure BFD sessions ################################################################################ set bfd_session_status [::ixia::emulation_bfd_session_config \ -mode create \ -handle $bfd_router_0 \ -count 1 \ -ip_version 4 \ -enable_auto_choose_source 1 \ -local_disc 3 \ -enable_learned_remote_disc 1 \ -remote_ip_addr $intf_gre_1 \ -remote_ip_addr_step $intf_gre_step_1 \ -session_type single_hop \ ] if {[keylget bfd_session_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bfd_session_status log]" return } set bfd_sessions_0 [keylget bfd_session_status session_handles] set bfd_session_status [::ixia::emulation_bfd_session_config \ -mode create \ -handle $bfd_router_1 \ -count 1 \ -ip_version 4 \ -enable_auto_choose_source 1 \ -local_disc 3 \ -enable_learned_remote_disc 1 \ -remote_ip_addr $intf_gre_0 \ -remote_ip_addr_step $intf_gre_step_0 \ -session_type single_hop \ ] if {[keylget bfd_session_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bfd_session_status log]" return } set bfd_sessions_1 [keylget bfd_session_status session_handles] puts "Ixia BFD IPv4 sessions are: ${bfd_sessions_0}, ${bfd_sessions_1} ... \n\n" update idletasks ################################################################################ # Create OSPF routers ################################################################################ set ospf_neighbor_status [::ixia::emulation_ospf_config \ -mode create \ -reset \ -port_handle $port_0 \ -session_type ospfv2 \ -count [expr $loop_count * $gre_count] \ -interface_handle $gre_interfaces_0 \ -router_id $intf_gre_0 \ -router_id_step $intf_gre_step_0 \ -network_type ptop \ -bfd_registration 1 \ ] if {[keylget ospf_neighbor_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget ospf_neighbor_status log]" return } set ospf_neighbor_0 [keylget ospf_neighbor_status handle] set ospf_neighbor_status [::ixia::emulation_ospf_config \ -mode create \ -reset \ -port_handle $port_1 \ -session_type ospfv2 \ -count [expr $loop_count * $gre_count] \ -interface_handle $gre_interfaces_1 \ -router_id $intf_gre_1 \ -router_id_step $intf_gre_step_1 \ -network_type ptop \ -bfd_registration 1 \ ] if {[keylget ospf_neighbor_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget ospf_neighbor_status log]" return } set ospf_neighbor_1 [keylget ospf_neighbor_status handle] puts "Ixia OSPF neighbors are: $ospf_neighbor_0, $ospf_neighbor_1 ... \n\n" update idletasks ################################################################################ # Start protocols ################################################################################ set ospf_emulation_status [::ixia::emulation_ospf_control \ -port_handle [list $port_0 $port_1] \ -mode start \ ] if {[keylget ospf_emulation_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget ospf_emulation_status log]" return } puts "Started OSPF protocol ... \n\n" update idletasks after 5000 set bfd_emulation_status [::ixia::emulation_bfd_control \ -port_handle [list $port_0 $port_1] \ -mode start \ ] if {[keylget bfd_emulation_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bfd_emulation_status log]" return } puts "Started BFD protocol ... \n\n" update idletasks ################################################################################ # Retrieve learned BFD information ################################################################################ # There are ($gre_count * $loop_count) interfaces per router, each BFD interface # has one session configured set sessions_configured [expr 2 * $gre_count * $loop_count] # There are ($gre_count * $loop_count) interfaces per router, each BFD interface # has one session configured and for each session connected through the same # loopback there are ($gre_count - 1) sessions auto configured set sessions_autoconfigured [expr 2 * ($gre_count * $loop_count) * ($gre_count - 1)] set sessions_all [expr $sessions_autoconfigured + $sessions_configured] set retries 20 set sessions_learned 0 set sessions_up 0 set learned_sessions_0 "" set learned_sessions_1 "" while {($sessions_up < $sessions_all) && ($retries > 0)} { set sessions_learned 0 set sessions_up 0 set learned_sessions_0 "" set learned_sessions_1 "" set bfd_emulation_status [::ixia::emulation_bfd_info \ -port_handle [list $port_0 $port_1] \ -mode learned_info \ ] if {[keylget bfd_emulation_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bfd_emulation_status log]" return } puts "Retrieving learned BFD information, number of retries left:\ [expr $retries - 1] ..." update idletasks if {![catch {set learned_sessions_0 [keylkeys bfd_emulation_status \ ${port_0}.${bfd_router_0}.session]}]} { incr sessions_learned [llength $learned_sessions_0] foreach session $learned_sessions_0 { if {![catch {set session_state [keylget bfd_emulation_status \ ${port_0}.${bfd_router_0}.session.${session}.session_state]}] && \ $session_state == "UP"} { incr sessions_up } } } if {![catch {set learned_sessions_1 [keylkeys bfd_emulation_status \ ${port_1}.${bfd_router_1}.session]}]} { incr sessions_learned [llength $learned_sessions_1] foreach session $learned_sessions_1 { if {![catch {set session_state [keylget bfd_emulation_status \ ${port_1}.${bfd_router_1}.session.${session}.session_state]}] && \ $session_state == "UP"} { incr sessions_up } } } incr retries -1 if {$sessions_up < $sessions_all} { after 1000 } } if {$sessions_learned == 0} { puts "FAIL - $test_name - There are no BFD sessions learned." return } ################################################################################ # Print learned BFD information ################################################################################ set stats_list { "Desired Min. Transmit Interval" desired_min_tx_interval "Local Discriminator" local_disc "Local IP Address" local_ip_addr "Remote Discriminator" remote_disc "Remote Flags" remote_flags "Remote IP Address" remote_ip_addr "Remote Router State" remote_state "Remote Router Up Time" remote_up_time "Protocol Using Session" protocol_using_session "Required Min. Echo Interval" req_min_echo_interval "Required Min. Receive Interval" req_min_rx_interval "Session State" session_state "Session Type" session_type } foreach {session_key} $learned_sessions_0 { puts [string repeat "-" 80] puts "BFD - Port $port_0, Router $bfd_router_0, Session ${session_key}" puts [string repeat "-" 80] foreach {stat_output stat_name} $stats_list { puts "[format %-35s $stat_output] [keylget bfd_emulation_status \ ${port_0}.${bfd_router_0}.session.${session_key}.${stat_name}]" } } foreach {session_key} $learned_sessions_1 { puts [string repeat "-" 80] puts "BFD - Port $port_1, Router $bfd_router_1, Session ${session_key}" puts [string repeat "-" 80] foreach {stat_output stat_name} $stats_list { puts "[format %-35s $stat_output] [keylget bfd_emulation_status \ ${port_1}.${bfd_router_1}.session.${session_key}.${stat_name}]" } } set bfd_emulation_status [::ixia::emulation_bfd_info \ -port_handle [list $port_0 $port_1] \ -mode aggregate_stats \ ] if {[keylget bfd_emulation_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bfd_emulation_status log]" return } foreach port [list $port_0 $port_1] { puts [string repeat "-" 50] puts "BFD - Port $port" puts [string repeat "-" 50] foreach {stat_name} [keylkeys bfd_emulation_status \ ${port}.aggregate] { puts "[format %-35s [string totitle [split $stat_name _]]]\ [keylget bfd_emulation_status ${port}.aggregate.${stat_name}]" } } if {$sessions_up < $sessions_all} { puts "FAIL - $test_name - Only $sessions_up out of the\ $sessions_all BFD sessions(configured and autoconfigured) are up." return } puts "SUCCESS - $test_name - [clock format [clock seconds]]" return