[j-nsp] Multiple usage of VRRP-Groups (JunOS)

Malte von dem Hagen mvh at hosteurope.de
Wed Jul 8 08:13:20 EDT 2009


Hi,

Hendrik Kahmann schrieb:
> is it okay to use the same VRRP-group (i.e. 20) multiple times on the  
> same physical interface?

IIRC, the vrrp-group identifier works via the mac address of the vrrp packets,
so it has to be unique for each broadcast domain.

> We want to use more than 255 VLANs on an physical interface

> to use the same group several times or use the same VRRP-group (i.e.  
> 1) on every VLAN subunit.

As said above, vrrp-group has to be unique per broadcast-domain which is per
vlan. You may use "vrrp-group 1" as often as you like, as long as they talk on
different vlans (which is a very comfortable way, since you can easily use
apply-groups for the common config values).

Kind regards,

Malte
-- 
Malte v. dem Hagen

Abteilung Technik - Network Operations Centre
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