[j-nsp] vlan-id 0
Nalkhande Tarique Abbas
ntarique at juniper.net
Thu Jul 9 11:50:51 EDT 2009
Masood,
Do you think its possible to configure anything other than unit 0
without vlan-tagging? I hope that answers your question.
> ge-1/1/0.1 up up inet 1.1.1.0/31 <--
> ge-1/1/0.2 up up inet 2.2.2.0/31 <--
Thanks & Regards,
Tarique A. Nalkhande
-----Original Message-----
From: masood at nexlinx.net.pk [mailto:masood at nexlinx.net.pk]
Sent: Thursday, July 09, 2009 9:46 PM
To: Nalkhande Tarique Abbas
Cc: Bit Gossip; Juniper List
Subject: Re: [j-nsp] vlan-id 0
Your configuration is missing "vlan-tagging"
Is behaviour remains the same if you add "vlan-tagging" under interface
configuration.
Regards,
Masood
Blog: http://weblogs.com.pk/jahil/
>
> Hi
>
> AFAIK, basically a unit 32767 is created implicitly when
"vlan-tagging"
> is enabled to pass untagged control traffic (like STP, LACP ... etc).
> When a unit with vlan-id 0 is configured, this unit itself is used to
> send the control traffic. So the unit 32767 then gets deleted.
>
>
>
> ge-1/1/0 up up
> ge-1/1/0.1 up up inet 1.1.1.0/31
> ge-1/1/0.2 up up inet 2.2.2.0/31
> ge-1/1/0.32767 up up
>
> root at Sulfur# show | compare
> [edit interfaces ge-1/1/0]
> + unit 0 {
> + vlan-id 0;
> + }
>
> lab at Sulfur> show interfaces terse | match ge-1/1/0
> ge-1/1/0 up up
> ge-1/1/0.0 up up
> ge-1/1/0.1 up up inet 1.1.1.0/31
> ge-1/1/0.2 up up inet 2.2.2.0/31
>
>
>
> Thanks & Regards,
> Tarique A. Nalkhande
>
>
> -----Original Message-----
> From: juniper-nsp-bounces at puck.nether.net
> [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Bit Gossip
> Sent: Thursday, July 09, 2009 6:13 PM
> To: Juniper List
> Subject: [j-nsp] vlan-id 0
>
> Experts,
> do you know what is the meaning of vlan-id 0?
> According to: http://en.wikipedia.org/wiki/IEEE_802.1Q
> "VLAN Identifier (VID): a 12-bit field specifying the VLAN to which
the
> frame belongs. A value of 0 means that the frame doesn't belong to any
> VLAN; in this case the 802.1Q tag specifies only a priority and is
> referred to as a priority tag"
>
> How would I match this Juniper config:
>
> show configuration interfaces ge-0/0/0
> vlan-tagging;
> unit 0 {
> vlan-id 0;
> family inet {
> address 1.1.1.1/30;
> }
> }
>
> on a cisco device on the other end of the cable where vlan starts from
> 1?
>
> r2(config-subif)#encapsulation dot1Q ?
> <1-4094> IEEE 802.1Q VLAN ID required
>
> Thanks,
> bit
>
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