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Re: 7600 AtoM mpls issue (Gert Doering)

 

 

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michalis.bersimis at hq

Apr 6, 2012, 12:41 AM

Post #1 of 4 (401 views)
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Re: 7600 AtoM mpls issue (Gert Doering)

Hi,
In 7600 with 67xx Cards you can make in interface Vlan EoMPLS. I have implement this with SRD and SRE IOS Take care that both end of the xconnect has the same MTU!! If you put the following command it should inform you for any problems!

sh mpls l2transport vc 701 detail
Local interface: Vl701 up, line protocol up, Eth VLAN 701 up
Interworking type is Ethernet
Destination address: 1.1.1.2, VC ID: 701, VC status: up
Output interface: Te7/1, imposed label stack {115 2707}
Preferred path: not configured
Default path: active
Next hop: 10.10.10.10
Create time: 20w1d, last status change time: 3w2d
Signaling protocol: LDP, peer 1.1.1.2:0 up
Targeted Hello: 1.1.1.1(LDP Id) -> 1.1.1.2, LDP is UP
Status TLV support (local/remote) : enabled/supported
LDP route watch : enabled
Label/status state machine : established, LruRru
Last local dataplane status rcvd: No fault
Last local SSS circuit status rcvd: No fault
Last local SSS circuit status sent: No fault
Last local LDP TLV status sent: No fault
Last remote LDP TLV status rcvd: No fault
Last remote LDP ADJ status rcvd: No fault
MPLS VC labels: local 387, remote 2707
Group ID: local 0, remote 0
MTU: local 1600, remote 1600
Remote interface description:
MAC Withdraw: sent:2, received:0
Sequencing: receive disabled, send disabled
Control Word: On (configured: autosense)
VC statistics:
transit packet totals: receive 70459, send 0
transit byte totals: receive 4510236, send 0
transit packet drops: receive 0, seq error 0, send 0


interface Vlan701
mtu 1600
no ip address
xconnect 1.1.1.2 701 encapsulation mpls

Best Regards,

Michalis Bersimis


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gert at greenie

Apr 6, 2012, 12:55 AM

Post #2 of 4 (379 views)
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Re: 7600 AtoM mpls issue (Gert Doering) [In reply to]

Hi,

On Fri, Apr 06, 2012 at 10:41:20AM +0300, michalis.bersimis [at] hq wrote:
> In 7600 with 67xx Cards you can make in interface Vlan EoMPLS.

As far as I understand, only if you have ES(+) or SIP cards on the
core-facing side of your 7600.

gert
--
USENET is *not* the non-clickable part of WWW!
//www.muc.de/~gert/
Gert Doering - Munich, Germany gert [at] greenie
fax: +49-89-35655025 gert [at] net


michalis.bersimis at hq

Apr 6, 2012, 1:15 AM

Post #3 of 4 (372 views)
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Re: 7600 AtoM mpls issue (Gert Doering) [In reply to]

Yes this might be true, for the CORE-facing side, in our implementation we have these cards facing the CORE.

-----Original Message-----
From: Gert Doering [mailto:gert [at] greenie]
Sent: Friday, April 06, 2012 10:55 AM
To: Μπερσίμης Μιχάλης (900356)
Cc: cisco-nsp [at] puck
Subject: Re: [c-nsp] 7600 AtoM mpls issue (Gert Doering)

Hi,

On Fri, Apr 06, 2012 at 10:41:20AM +0300, michalis.bersimis [at] hq wrote:
> In 7600 with 67xx Cards you can make in interface Vlan EoMPLS.

As far as I understand, only if you have ES(+) or SIP cards on the
core-facing side of your 7600.

gert
--
USENET is *not* the non-clickable part of WWW!
//www.muc.de/~gert/
Gert Doering - Munich, Germany gert [at] greenie
fax: +49-89-35655025 gert [at] net

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gert at greenie

Apr 6, 2012, 2:14 AM

Post #4 of 4 (366 views)
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Re: 7600 AtoM mpls issue (Gert Doering) [In reply to]

Hi,

On Fri, Apr 06, 2012 at 11:15:32AM +0300, michalis.bersimis [at] hq wrote:
> Yes this might be true, for the CORE-facing side, in our implementation we have these cards facing the CORE.

And that's the trick - the 7600 packet forwarding side knows that the
core-facing side has a few extra tricks in it's sleeve, and so this works.

gert

--
USENET is *not* the non-clickable part of WWW!
//www.muc.de/~gert/
Gert Doering - Munich, Germany gert [at] greenie
fax: +49-89-35655025 gert [at] net

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