The basic question here is, does Juniper handle multicast on a single vlan
differently than Cisco?
I have two Linux mysql hosts configured in a cluster connected to the same
switch on the same vlan. They communicate on multicast when that switch is a
Cisco 3560 and not at all when that switch is a EX3200. The EX's have
igmp-snooping enabled by default, as I believe the Cisco does.
Both interfaces are pretty straight forward. MGT vlan-id is "1", DATABASES
vlan-id is "5". Both hosts need to send un-tagged traffic on 802.1q tag 5.
<snip>
ge-0/0/2 {
description data-01.mysql;
unit 0 {
family ethernet-switching {
port-mode trunk;
vlan {
members [ MGT DATABASES ];
}
native-vlan-id 5;
}
}
}
ge-0/0/3 {
description data-02.mysql;
unit 0 {
family ethernet-switching {
port-mode trunk;
vlan {
members [ MGT DATABASES ];
}
native-vlan-id 5;
}
}
}
</snip>
Thank you in advance for any insight,
-b
--
Bill Blackford
Senior Network Engineer
Technology Systems Group
Northwest Regional ESD
Logged into reality and abusing my sudo priviledges
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