Mailing List Archive

On Wed, Apr 28, 2004 at 03:56:50PM -0700, Scott Weeks wrote:

> Anyone know if it's possible to get traffic counters from SNMP for virtual
> interfaces? Most likely a rhetorical question, since I see:

> But, I just had to ask the group. I'm setting up RRDTool and Cricket and
> would like to get stats on the virtual interfaces.

Same issue here, I think this is not supported by Foundry boxes. I just
count bytes at the switch ports in which these virtual interfaces
terminate.

But it would be nicer if Foundry supported it like Cisco and Juniper.

--
Cliff Albert <cliff@oisec.net>

Good Morning Cliff and Everyone,


On Thu, 29 Apr 2004, Cliff Albert wrote:

: But it would be nicer if Foundry supported it like Cisco and Juniper.


It'd also be nice if a couple Foundry netgeeks listened to the list with
the same vigor that cisco does cisco-nsp.

I guess you use a small perl script to ssh, rsh, or whatever to the
routers and get the numbers and then graph them with something?

scott

On Thu, Apr 29, 2004 at 08:45:50AM +0200, Cliff Albert wrote:
> On Wed, Apr 28, 2004 at 03:56:50PM -0700, Scott Weeks wrote:
>
> > Anyone know if it's possible to get traffic counters from SNMP for virtual
> > interfaces? Most likely a rhetorical question, since I see:
>
> > But, I just had to ask the group. I'm setting up RRDTool and Cricket and
> > would like to get stats on the virtual interfaces.
>
> Same issue here, I think this is not supported by Foundry boxes. I just
> count bytes at the switch ports in which these virtual interfaces
> terminate.

When you say virtual interfaces, are you talking what Cisco calls
subinterfaces, e.g. VLAN traffic on a port, or are you talking virtual
servers a la ServerIron? No experience with the former and not sure if
it's possible, but there are some Cricket examples for graphing virtual
servers (though I'm not using them.)

-- Clifton

--
Clifton Royston -- cliftonr@tikitechnologies.com
Tiki Technologies Lead Programmer/Software Architect
Did you ever fly a kite in bed? Did you ever walk with ten cats on your head?
Did you ever milk this kind of cow? Well we can do it. We know how.
If you never did, you should. These things are fun, and fun is good.
-- Dr. Seuss

On Thu, 29 Apr 2004, Clifton Royston wrote:
: On Thu, Apr 29, 2004 at 08:45:50AM +0200, Cliff Albert wrote:
: > On Wed, Apr 28, 2004 at 03:56:50PM -0700, Scott Weeks wrote:

: > > But, I just had to ask the group. I'm setting up RRDTool and Cricket and
: > > would like to get stats on the virtual interfaces.

: > Same issue here, I think this is not supported by Foundry boxes. I just
: > count bytes at the switch ports in which these virtual interfaces
: > terminate.

: When you say virtual interfaces, are you talking what Cisco calls
: subinterfaces, e.g. VLAN traffic on a port, or are you talking virtual
: servers a la ServerIron? No experience with the former and not sure if
: it's possible, but there are some Cricket examples for graphing virtual
: servers (though I'm not using them.)


Hi Clifton,

I want to graph these:

interface ve 3
port-name Building A
ip address 172.16.80.1 255.255.240.0

Where we have several physical interfaces going to bldg a.

interface ethernet 2/1
port-name Building A-5915
!
interface ethernet 2/2
port-name Building A-5921
!
interface ethernet 2/3
port-name Building A-5927

It just occurred to me that I can just have the program sum all the
physical interfaces and graph the total. This is kludgy, but it should be
the same as graphing the virtual interface.

Mahalo from a mainland-constrained (temporarily) Oahu and Maui person. I
did the Digital Island thing (just down Bishop St.) a few years
back. Good luck on the Series A financing!

scott

on 4/29/2004 3:54 PM Scott Weeks said the following:

> It just occurred to me that I can just have the program sum all the
> physical interfaces and graph the total. This is kludgy, but it
> should be the same as graphing the virtual interface.

That doesn't work for people who have multiple vlans per interface. :(

Can the ve interfaces support counters since (IIRC) Foundry just
programs the CAM with the proper routes and switches the traffic?

Devon

On Thu, Apr 29, 2004 at 12:54:34PM -0700, Scott Weeks wrote:
> Where we have several physical interfaces going to bldg a.
>
> interface ethernet 2/1
> port-name Building A-5915
> !
> interface ethernet 2/2
> port-name Building A-5921
> !
> interface ethernet 2/3
> port-name Building A-5927
>
> It just occurred to me that I can just have the program sum all the
> physical interfaces and graph the total. This is kludgy, but it should be
> the same as graphing the virtual interface.

Yes, I have done this in the past with Cricket. It works for the N:1
real:virtual case, but of course not for the other way around.

> Mahalo from a mainland-constrained (temporarily) Oahu and Maui person. I
> did the Digital Island thing (just down Bishop St.) a few years
> back. Good luck on the Series A financing!

Thanks, we are definitely looking!

I knew a few guys at DI (John Englehart, and much later Jason
Forester) slightly from other contexts, mainly from their Hawaii Online
days. One of the highest implied compliments LavaNet ever got as an
ISP was when pretty near the entire systems department of HOL came over
to sign up for LavaNet accounts en masse.

-- Clifton

--
Clifton Royston -- cliftonr@tikitechnologies.com
Tiki Technologies Lead Programmer/Software Architect
Did you ever fly a kite in bed? Did you ever walk with ten cats on your head?
Did you ever milk this kind of cow? Well we can do it. We know how.
If you never did, you should. These things are fun, and fun is good.
-- Dr. Seuss