3:49 a.m.
MPING: doesn't work with IPv6
-----------------------------
Key: JGRP-1095
URL: https://jira.jboss.org/jira/browse/JGRP-1095
Project: JGroups
Issue Type: Task
Reporter: Bela Ban
Assignee: Bela Ban
Fix For: 2.8
Running MPING with TCP works with IPv4, but not with IPv6 (members don't find each
other). The config is
<MPING mcast_addr="ff0e::8:8:5"
mcast_port="7200"
num_ping_requests="1"
timeout="3000"
num_initial_members="3"/>
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7:58 a.m.
New subject: [JBoss JIRA] Commented: (JGRP-1095) MPING: doesn't work with IPv6
[
https://jira.jboss.org/jira/browse/JGRP-1095?page=com.atlassian.jira.plug...
]
Bela Ban commented on JGRP-1095:
--------------------------------
The issue is that MPING wants to send a request back to the requester via the transport
(TCP), but a socket to a lonk local address with a scope-id fails. Without the scope-id,
it works.
TODO: remove the scope-id when creating a socket. Dito for TUNNEL, TCPGOSSIP
MPING: doesn't work with IPv6
-----------------------------
Key: JGRP-1095
URL: https://jira.jboss.org/jira/browse/JGRP-1095
Project: JGroups
Issue Type: Task
Reporter: Bela Ban
Assignee: Bela Ban
Fix For: 2.8
Running MPING with TCP works with IPv4, but not with IPv6 (members don't find each
other). The config is
<MPING mcast_addr="ff0e::8:8:5"
mcast_port="7200"
num_ping_requests="1"
timeout="3000"
num_initial_members="3"/>
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8:14 a.m.
New subject: [JBoss JIRA] Commented: (JGRP-1095) MPING: doesn't work with IPv6
[
https://jira.jboss.org/jira/browse/JGRP-1095?page=com.atlassian.jira.plug...
]
Bela Ban commented on JGRP-1095:
--------------------------------
The issue is that the scope-id is *added* to a scopeless link-local addr by JGroups ! This
is fine for binding, but we cannot return a scoped link-local IPv6 address as the caller
will not be able to establish a socket connection to us !
So maybe only use the scope-id for binding a socket, but return the unscoped LL IPv6
address.
This affects
- MPING
- TCPGOSSIP and
- TUNNEL
MPING: doesn't work with IPv6
-----------------------------
Key: JGRP-1095
URL: https://jira.jboss.org/jira/browse/JGRP-1095
Project: JGroups
Issue Type: Task
Reporter: Bela Ban
Assignee: Bela Ban
Fix For: 2.8
Running MPING with TCP works with IPv4, but not with IPv6 (members don't find each
other). The config is
<MPING mcast_addr="ff0e::8:8:5"
mcast_port="7200"
num_ping_requests="1"
timeout="3000"
num_initial_members="3"/>
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2:31 a.m.
New subject: [JBoss JIRA] Resolved: (JGRP-1095) MPING: doesn't work with IPv6
[
https://jira.jboss.org/jira/browse/JGRP-1095?page=com.atlassian.jira.plug...
]
Bela Ban resolved JGRP-1095.
----------------------------
Resolution: Done
The reason for the dailure was that the bind_addr in TCP was link-local and scoped
(scope-id=3). This address was then multicast by MPING. The receiver tried to send a
response by connecting to the LL scoped IPv6 address, which failed, so the sender never
got a response.
The solution was to introduce a utility method Util.connect(), which checks if the
destination address is a LL scoped IPv6 address and - if yes - replaces it with an
unscoped one.
MPING: doesn't work with IPv6
-----------------------------
Key: JGRP-1095
URL: https://jira.jboss.org/jira/browse/JGRP-1095
Project: JGroups
Issue Type: Task
Reporter: Bela Ban
Assignee: Bela Ban
Fix For: 2.8
Running MPING with TCP works with IPv4, but not with IPv6 (members don't find each
other). The config is
<MPING mcast_addr="ff0e::8:8:5"
mcast_port="7200"
num_ping_requests="1"
timeout="3000"
num_initial_members="3"/>
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6045
days inactive
6046
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3 comments
1 participants
participants (1)
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Bela Ban (JIRA)