Re: ASR9K question please...not sure if this is OT or not...but

Thanks a bunch John. I'll take anything you and your fellow engineers there know about this as I'll plan on turning up the l2tranaport , bvi stuff soon, like tomorrow

Aaron

On Mar 23, 2011, at 5:02 PM, John Neiberger <jneiberger_at_gmail.com> wrote:

> I just looked at that link and much of it describes what I was
> suggesting. You configure"l2transport" on the router port and then add
> it to a bridge group. You can then associate a BVI for that bridge
> group. I don't recall hearing any multicast replication issues related
> to that, and we got several ASR9Ks to replace our 7600s that we're
> using for multicast video. We have way more than 2.5 Gbps of multicast
> running on the 7600s, so the ASR should be able to do that without
> even realizing it's turned on. :)
>
> On Wed, Mar 23, 2011 at 3:48 PM, Aaron <aaron1_at_gvtc.com> wrote:
>> Thanks john, have you explored the Ethernet-service thing that Rob mentioned
>> to me earlier ? is that a nice way to do Layer 2 within the ASR ? (rob sent
>> me a link and I need to read-up on it) does it have a full feature layer
>> interface capability?
>>
>> Also, I need to send 2.5 Gbps of mcast through this layer2 group, so I
>> wonder if that's gonna have limitations with that much traffic
>>
>> Aaron
>>
>>
>> -----Original Message-----
>> From: John Neiberger [mailto:jneiberger_at_gmail.com]
>> Sent: Wednesday, March 23, 2011 3:34 PM
>> To: Rob Laidlaw
>> Cc: Aaron; ccielab_at_groupstudy.com
>> Subject: Re: ASR9K question please...not sure if this is OT or not...but
>> appreciate anything y'all provide
>>
>> IOS XR 4.0.1 supports BVI for its bridge groups. I'm still really new
>> to ASRs, but they really don't seem to want to do L2 much at all in
>> any way similar to Catalyst switches or 7600 routes. It's not as
>> simple as creating a VLAN and L3 VLAN interface. You can create a
>> bridge group and then assign a BVI to it, but it has some limitations.
>> One that I know of is that ACLs are not supported on BVIs.
>>
>> The ASR9K doesn't seem like a good choice to me if you need a lot of
>> L2 stuff. We've been wrestling with similar issues in our test lab on
>> our new ASR9Ks.
>>
>> HTH,
>> John
>>
>> On Wed, Mar 23, 2011 at 2:27 PM, Rob Laidlaw <laidlaw_at_consecro.com> wrote:
>>> I have had to do something similair on the ASR1K series. You have to use
>>> the Carrier Ethernet services to create a virtual layer 2 switch. The 9K
>>> supports it but you may have to upgrade code if yours doesn't have it.
>> Here
>>> is the config guide:
>>>
>>>
>> http://www.cisco.com/en/US/docs/routers/asr9000/software/asr9k_r3.9/lxvpn/co
>> nfiguration/guide/lesc39ethi.html
>>>
>>> Its similar to deploying VPLS in a Service Provider environment, but it
>>> works locally too.
>>>
>>> GL
>>>
>>> -Rob
>>>
>>> On Wed, Mar 23, 2011 at 3:01 PM, Aaron <aaron1_at_gvtc.com> wrote:
>>>
>>>> I have a SP Video architecture (CATV/VoD/PPV type thing) in place,
>> testing,
>>>> and operational to some extent using 4506 and 4503 on both ends..
>>>>
>>>>
>>>>
>>>> Digital Content Managers (DCM's) are putting out mcast video.
>>>> 239dot..mcast
>>>> groups.
>>>>
>>>>
>>>>
>>>> Mcast listeners/IGMP joiners, are Video and Audio Edge Modulators and
>>>> GQAMs.. (y'all may have heard of some of this SciAtl (Scientific
>> Atlanta)
>>>> product line, I believe acquired by cisco about 2 years ago)
>>>>
>>>>
>>>>
>>>> .hang in there, I'll get to my networking question.
>>>>
>>>>
>>>>
>>>> 4500's are doing EIGRP and PIM-SM to allow for support of the above end
>>>> equipment..also, the edge mods and GQAMs are group in vlan's with SVI's
>>>> inside the 4500's where I route this subnets, handle igmp joins, etc
>>>>
>>>>
>>>>
>>>> We are upgrading our 4500's to ASR9K's..9006 on one end and 9010 on the
>>>> other end..
>>>>
>>>>
>>>>
>>>> Guess what I found out today..$100K later..the ASR is naturally a router.
>>>> Not able to simply drop it in place of the 4500's as I've stated above,
>> the
>>>> 4500's are doing L2 and L3 combined. ASR doesn't naturally do that, as I
>>>> now understand it to be like a 2500 (old), or 3660, 7206vxr, 3825, 7513,
>>>> etc,etc..you get my point, pure router. Not like 3550,3560,6500,7600.
>>>>
>>>>
>>>>
>>>> What do y'all think about my making the ASR9K's fit into the current
>>>> architecture of my existing 4500's by using IRB/bridge groups, and
>> routing
>>>> the irb interfaces much like I have the vlans and svi's in my current
>>>> 4500's? any cautions? This seem ok to y'all?
>>>>
>>>>
>>>>
>>>> I'll take any advice I can get
>>>>
>>>>
>>>>
>>>> Aaron
>>>>
>>>>
>>>>
>>>> p.s. I heard today that IOS XR 4.1 supports IRB
>>>>
>>>>
>>>>
>>>> p.s.s. I'm new to ASRs, I'm new to IOS XR, I'm not that experienced with
>>>> IRB. IRB/CRB was something I messed with about 10 years ago for
>> something
>>>> I
>>>> hardly recall.
>>>>
>>>>
>>>> Blogs and organic groups at http://www.ccie.net
>>>>
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Received on Wed Mar 23 2011 - 17:31:22 ART