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Posted to issues@trafficserver.apache.org by "Leif Hedstrom (JIRA)" <ji...@apache.org> on 2011/05/15 01:18:47 UTC
[jira] [Assigned] (TS-775) Disable cluster autodiscovery via
multicast when clustering is disabled (as is by default)
[ https://issues.apache.org/jira/browse/TS-775?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Leif Hedstrom reassigned TS-775:
--------------------------------
Assignee: Leif Hedstrom
> Disable cluster autodiscovery via multicast when clustering is disabled (as is by default)
> ------------------------------------------------------------------------------------------
>
> Key: TS-775
> URL: https://issues.apache.org/jira/browse/TS-775
> Project: Traffic Server
> Issue Type: Bug
> Components: Clustering
> Reporter: Igor Galić
> Assignee: Leif Hedstrom
> Fix For: 2.1.9
>
> Attachments: TS-775.diff
>
>
> By default clustering is disabled, however when a freshly installed instance starts up, it tries to discover potential clustering partners via multicast none the less. This is evident with Ubuntu when "ufw" is active, which blocks multicast by default:
> {noformat}
> May 12 23:11:46 pheme kernel: [549586.656109] [UFW BLOCK] IN=eth1 OUT= MAC=01:00:5e:00:00:01:fe:54:00:24:07:4d:08:00 SRC=0.0.0.0 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2
> May 12 23:11:46 pheme kernel: [549586.656131] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:00:24:21:ef:35:90:08:00 SRC=0.0.0.0 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2
> {noformat}
> When clustering is disabled, as it is by default, we should *not* try to do any kind of discovery either.
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