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Re: GPON Vendors
From: Mark Tinka <mtinka () globaltransit net>
Date: Wed, 7 Dec 2011 11:45:13 +0800

On Wednesday, December 07, 2011 06:18:07 AM Jeff Saxe wrote:

- Currently runs only RSTP, but not MST. So difficult to
load-balance redundant links into our switching core. I
don't remember if MST is on the planned feature list.

We run LACP either to the same or different routers 
depending on a few internal factors.

For LACP to different routers, we use MC-LAG.

Don't want to have to deal with "Spamming" Tree :-).

- Currently no true IPv6 support. You can hand off IPv6
over a "straight transparent LAN" connection, but you
can't use the DHCP snooping / IP source verify features,
which they have in v4, to ensure that a customer must
use DHCPv6 to get their address and then cannot
impersonate another customer with a manual IPv6 address.
Calix says full IPv6 support is planned.

Same problem on the Huawei, too.

Full support is planned for mid-to-late 2013. Of course, 
that puts a dent in our plans.

- We had a few 711GX ONTs that developed optical
transceiver failures in the field. It could be something
that we did, but it seemed to me that it was just a bad
batch of components in that specific product, since the
710GX and 711GE and 716GE's were all fine. All were
replaced under warranty just fine, so no complaints
other than customer downtime and our time to repair.

We've found that the Huawei works well with other vendor 
optics too. Cisco, Juniper, OEM's. All good.

Of course, for 10Gbps uplinks, the SFP+ units are bought 
from Huawei. We have some SPF+ modules from Cisco and their 
OEM's, but haven't tried them on the Huawei. Experience 
suggests it would work, but they're quite premium that we 
always need them for the Cisco's anyway :-).

Mark.

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