################################################################################ # Version 1.1 $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 # 12-28-2007 LRaicea - updated stats 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 BGP emulation on two Ixia ports connected to # # each other. # # One BFD router is created on each port. # # For each BFD router we add one IPv4 BFD sesssion. # # One BGP router is created on each port. # # Each BGP router advertises one route. # # 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] # 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 ..." 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 \ ] if {[keylget interface_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget interface_status log]" return } puts "Ixia port configuration returned: [keylget interface_status status] ..." update idletasks ################################################################################ # Create protocol interface in the test ################################################################################ set interface_status [::ixia::interface_config \ -port_handle [list $port_0 $port_1] \ -intf_ip_addr [list 26.1.1.1 26.1.1.2] \ -gateway [list 26.1.1.2 26.1.1.1] \ -netmask [list 255.255.255.0 255.255.255.0] \ -ipv6_intf_addr [list 26::1 26::2] \ -ipv6_prefix_length [list 64 64] \ -src_mac_addr [list 0ab0.0026.0001 0ab0.0026.0002] \ ] if {[keylget interface_status status] != $SUCCESS} { puts "FAIL - $test_name - [keylget interface_status log]" return } set interface_handle [keylget interface_status interface_handle] set interface_0 [lindex $interface_handle 0] set interface_1 [lindex $interface_handle 1] puts "Ixia interface configuration returned: $interface_handle ..." update idletasks ################################################################################ # Configure BFD routers ################################################################################ set bfd_router_status [::ixia::emulation_bfd_config \ -mode create \ -reset \ -port_handle $port_0 \ -count 1 \ -intf_count 1 \ -interface_handle $interface_0 \ -router_id 26.1.1.1 \ ] 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 bfd_router_status [::ixia::emulation_bfd_config \ -mode create \ -reset \ -port_handle $port_1 \ -count 1 \ -intf_count 1 \ -interface_handle $interface_1 \ -router_id 26.1.1.2 \ ] 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] puts "Ixia BFD routers are: $bfd_router_0, $bfd_router_1 ..." 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 26.1.1.2 \ -session_type multi_hop \ ] if {[keylget bfd_session_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bfd_session_status log]" return } set bfd_session_0_ipv4 [keylget bfd_session_status session_handles] set bfd_session_status [::ixia::emulation_bfd_session_config \ -mode create \ -handle $bfd_router_0 \ -count 1 \ -ip_version 6 \ -enable_auto_choose_source 1 \ -local_disc 4 \ -enable_learned_remote_disc 1 \ -remote_ip_addr 26::2 \ -session_type multi_hop \ ] if {[keylget bfd_session_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bfd_session_status log]" return } set bfd_session_0_ipv6 [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 5 \ -enable_learned_remote_disc 1 \ -remote_ip_addr 26.1.1.1 \ -session_type multi_hop \ ] if {[keylget bfd_session_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bfd_session_status log]" return } set bfd_session_1_ipv4 [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 6 \ -enable_auto_choose_source 1 \ -local_disc 6 \ -enable_learned_remote_disc 1 \ -remote_ip_addr 26::1 \ -session_type multi_hop \ ] if {[keylget bfd_session_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bfd_session_status log]" return } set bfd_session_1_ipv6 [keylget bfd_session_status session_handles] puts "Ixia BFD IPv4 sessions are: ${bfd_session_0_ipv4}, $bfd_session_1_ipv4 ..." puts "Ixia BFD IPv6 sessions are: ${bfd_session_0_ipv6}, $bfd_session_1_ipv6 ..." update idletasks ################################################################################ # Create BGP routers ################################################################################ set bgp_router_status [::ixia::emulation_bgp_config \ -port_handle $port_0 \ -mode reset \ -count 1 \ -interface_handle $interface_0 \ -neighbor_type internal \ -ip_version 4 \ -local_router_id_enable 1 \ -local_router_id 26.1.1.1 \ -local_as 100 \ -local_as_mode fixed \ -ipv4_unicast_nlri \ -ipv4_multicast_nlri \ -ipv6_unicast_nlri \ -ipv6_multicast_nlri \ -bfd_registration 1 \ -bfd_registration_mode multi_hop \ ] if {[keylget bgp_router_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bgp_router_status log]" return } set bgp_router_0 [keylget bgp_router_status handles] set bgp_router_status [::ixia::emulation_bgp_config \ -port_handle $port_1 \ -mode reset \ -count 1 \ -interface_handle $interface_1 \ -neighbor_type internal \ -ip_version 4 \ -local_router_id_enable 1 \ -local_router_id 26.1.1.2 \ -local_as 100 \ -local_as_mode fixed \ -ipv4_unicast_nlri \ -ipv4_multicast_nlri \ -ipv6_unicast_nlri \ -ipv6_multicast_nlri \ -bfd_registration 1 \ -bfd_registration_mode multi_hop \ ] if {[keylget bgp_router_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bgp_router_status log]" return } set bgp_router_1 [keylget bgp_router_status handles] puts "Ixia BGP routers are: $bgp_router_0, $bgp_router_1 ..." update idletasks ################################################################################ # Create BGP routes ################################################################################ set bgp_ipv4_route_status [::ixia::emulation_bgp_route_config \ -mode add \ -handle $bgp_router_0 \ -ip_version 4 \ -prefix 36.1.1.0 \ -prefix_from 24 \ -prefix_to 24 \ -num_routes 1 \ -origin igp \ ] if {[keylget bgp_ipv4_route_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bgp_ipv4_route_status log]" return } set bgp_route_0 [keylget bgp_ipv4_route_status bgp_routes] set bgp_ipv4_route_status [::ixia::emulation_bgp_route_config \ -mode add \ -handle $bgp_router_1 \ -ip_version 4 \ -prefix 36.1.2.0 \ -prefix_from 24 \ -prefix_to 24 \ -num_routes 1 \ -origin igp \ ] if {[keylget bgp_ipv4_route_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bgp_ipv4_route_status log]" return } set bgp_route_1 [keylget bgp_ipv4_route_status bgp_routes] puts "Ixia BGP routes are: $bgp_route_0, $bgp_route_1 ..." update idletasks ################################################################################ # Start protocols ################################################################################ set bgp_emulation_status [::ixia::emulation_bgp_control \ -port_handle [list $port_0 $port_1] \ -mode start \ ] if {[keylget bgp_emulation_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bgp_emulation_status log]" return } puts "Started BGP protocol ..." 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 ..." update idletasks # Wait for BGP sessions to establish after 20000 ################################################################################ # Retrieve learned BFD information set sessions_configured 4 set sessions_autoconfigured 0 set sessions_all [expr $sessions_configured + $sessions_autoconfigured] set retries 20 set sessions_learned 0 set sessions_up 0 set learned_sessions_0 "" set learned_sessions_1 "" while {($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_aggregate_status [::ixia::emulation_bfd_info \ -port_handle [list $port_0 $port_1] \ -mode aggregate_stats \ ] if {[keylget bfd_aggregate_status status] != $::SUCCESS} { puts "FAIL - $test_name - [keylget bfd_aggregate_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_aggregate_status \ ${port}.aggregate] { puts "[format %-35s [string totitle [split $stat_name _]]]\ [keylget bfd_aggregate_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 } return "SUCCESS - $test_name - [clock format [clock seconds]]"