[f-nsp] MPLS VLL Between Cisco and Brocade

[Matthew Walster]

Setting "tag-type tag2 ethe x/y" will allow tagged traffic to pass
through a "regular" VLL (not raw-mode, IIRC) but from what I hear, it
has interop issues with Cisco still.

M



On 15 February 2012 00:44, Matt Kassawara <mkassawara at gmail.com> wrote:
> Last I checked, setting tag1 to 9100 will pass tagged traffic through
> a type 5 VLL.  However, it also causes the ethertype to change on
> ports not associated with the VLL.
>
> On Tue, Feb 14, 2012 at 3:12 AM,  <sam-ml at arahant.net> wrote:
>> We had a similar problem, tried running VLL between a CER-RT (5.2) and a
>> 7600 running SRE and later 15.x. As long as we put untagged traffic on the
>> VLL everything worked fine, but 802.1q tagged traffic didn't pass even if
>> we could see ARP. Brocade suggested  to add the following lines to the
>> config:
>>
>> tag-value tag2 9100
>> tag-type cvlan tag2 svlan tag1 bvlan tag1
>>
>> however this didn’t work for us. We also asked if this will be fixed in
>> the upcoming code, but apparently this is not going to happen due to an
>> architectural limitation of the CER platform.
>>
>> cheers,
>> --
>> sam
>>
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