From 2c7cac91ed6e7db0f6937923d2b57f97dbdbc337 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:53:30 +0200 Subject: Adding upstream version 8.4.4. Signed-off-by: Daniel Baumann --- pimd/DEBUG | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 pimd/DEBUG (limited to 'pimd/DEBUG') diff --git a/pimd/DEBUG b/pimd/DEBUG new file mode 100644 index 0000000..a6ad260 --- /dev/null +++ b/pimd/DEBUG @@ -0,0 +1,84 @@ +DEBUG HINTS + + - Check the source is issuing multicast packets with TTL high enough + to reach the recipients. + + - Check the multicast packets are not being dropped due to + fragmentation problems. + + - Three easy options to test IGMPv3 joins from the receiver host: + + 1) Configure pimd on the receiver host with "ip igmp join": + + interface eth0 + ip pim ssm + ip igmp join 239.1.1.1 1.1.1.1 + + 2) Use test_igmpv3_join command-line utility (provided with qpimd): + + test_igmpv3_join eth0 239.1.1.1 1.1.1.1 + + 3) User the Stig Venaas' ssmping utility: + + ssmping -I eth0 1.1.1.1 + + To see multicast responses with ssmping, you will need run on + the host 1.1.1.1 either: + a) Stig Venaas' ssmpingd command-line daemon + OR + b) qpimd built-in ssmpingd service: + conf t + ip ssmpingd 1.1.1.1 + + - Using nepim to generate multicast stream from 1.1.1.1 to 239.1.1.1: + + Notices: + + a) The host unicast address 1.1.1.1 must be reachable from the + receiver. + + b) nepim tool requires the receiver must be started *before* the + sender. + + First: Start a receiver for that stream by running: + + nepim -q -6 -j 1.1.1.1+239.1.1.1@eth0 + (Remember of enabling both "ip pim ssm" and "ip igmp" under eth0.) + + Second: Start the sender at host 1.1.1.1. + + The following command generates a 100-kbps multicast stream for + channel 1.1.1.1,239.1.1.1 with TTL 10 and 1000-byte payload per UDP + packet (to avoid fragmentation): + + nepim -6 -M -b 1.1.1.1 -c 239.1.1.1 -T 10 -W 1000 -r 100k -a 1d + + + +SAMPLE DEBUG COMMANDS + + conf t + int eth0 + ip pim ssm + + test pim receive hello eth0 192.168.0.2 600 10 111 1000 3000 0 + test pim receive join eth0 600 192.168.0.1 192.168.0.2 239.1.1.1 1.1.1.1 + + show ip pim join + + +INTEROPERABILITY WITH CISCO + + ! Cisco IP Multicast command reference: + ! ftp://ftpeng.cisco.com/ipmulticast/Multicast-Commands + ! + ip pim ssm default ! enable SSM mode for groups 232.0.0.0/8 + ip multicast-routing + ip pim state-refresh disable + no ip pim dm-fallback + ! + interface FastEthernet0 + ip pim sparse-mode + ip igmp version 3 + +-x- -- cgit v1.2.3