On Mon, Nov 23, 2009 at 8:15 PM, Clinton Work clin...@scripty.com wrote:
The Catalyst 4500 supports 3000 logical instances with the SupV from what I
was able to find. With MST, the capacity is further increased:
MST logical instances = access ports + ( trunk ports * MST instances)
So as long
On Mon, 23 Nov 2009 11:40:17 -0800 (PST), Kevin Graham wrote
The answer is very simple: if someone thinks that ethernet flow
control is the answer, the burden of proof is on them to answer
difficult questions about what the actual problem is, what flow
control is going to solve, and why
On Tue, Nov 24, 2009 at 2:25 AM, Gert Doering g...@greenie.muc.de wrote:
Hi,
On Mon, Nov 23, 2009 at 07:03:07PM -0500, Bill Desjardins wrote:
the idea is that the border routers peer with the ibgp RR's and use a
bgp conditional statement to advertise your aggregate upstream only
upon
Hello Group,
I have 7200's acting as PE's and running 12.4.23 that show an abnormal numbers
of runts. The interfaces where this can be seen are
E1 channel-groups configured for frame-relay. This is the typical configuration:
!
frame-relay switching
!
controller E1 x/y
channel-group 0 timeslots
hey all
i have a cisco metro switch with IOS 12.2 35SE
when i upgraded the IOS image to 12.2 52 SE
the tacacs could not work well as it was in the previous image even though i
had the same configuration
any thoughts ?
On Tue, 24 Nov 2009, Mohammad Khalil wrote:
the tacacs could not work well as it was in the previous image even
though i had the same configuration any thoughts ?
Try adding the plaintext key again ('tacacs-server key xxx'). I've seen
some IOS upgrades need it re-obfuscated to make it work.
Hello all,
I would like to talk to anyone who has deployed MPLS VPNs for their
University Campus Network. Specifically, I'd like to know about their
design, operational pitfalls, what you would do again, what wouldn't you do
again, etc.
Offlist is fine. This information will be kept
Hello All
I've got a PA-A3-OC3 that is terminating a large number of PPPoA
connections. I need to do basic QoS/prioritization for voice traffic. I
am using a subinterface per VPI with a vc-class to reference the
virtual-template.
I have set up a parent/child policy-map as the documentation
Another thing to look at is the tacacs source-interface.
If you don't have it in there, tie it to a loopback.
If you do have it in there, verify the IP of the interface, and also try
removing it.
I've seen a few times after an upgrade that either removing it, or
adding it 'magically' fixed the
Heh ,or the old ACC boxes (I think the Danube), where the original
design was to not have ANY front-panel LEDs. The 'managers' didn't like
that, so all they did was create a simple oscillator circuit that
blinked an LED.
The LED has NO correlation to the real status of the chassis. The
chassis
Hi Dave,
I've got a PA-A3-OC3 that is terminating a large number of PPPoA
connections. I need to do basic QoS/prioritization for voice traffic.
I
am using a subinterface per VPI with a vc-class to reference the
virtual-template.
I have set up a parent/child policy-map as the
Tim Franklin wrote:
I've got a PA-A3-OC3 that is terminating a large number of PPPoA
connections. I need to do basic QoS/prioritization for voice traffic.
I
am using a subinterface per VPI with a vc-class to reference the
virtual-template.
I have set up a parent/child policy-map as the
From: sth...@nethelp.no
Normally, hardware-forwarding boxes should never show significant CPU
load.
With the exception of the old 3500XL series using 50% or more of the
CPU to drive the front panel LEDs :-)
Yes, a 3500XL...
PCP-2000-IDF-3-2#show proc cpu | e 0.00.*0.00.*0.00
CPU
On Tue, Nov 24, 2009 at 09:00:51AM +0100, Marian ??urkovi?? wrote:
On Mon, 23 Nov 2009 11:40:17 -0800 (PST), Kevin Graham wrote
My understanding of this must be broken... If the pause frame is sent
only sent when or immediately before RX buffers are exhausted, then
TX queuing is triggered
Howdy,
I've been having some issues with queue drops/CLI sluggishness on a 6500 and I
wanted to check what kind of volume of traffic I was getting punted to the RP.
I made a span session and began checking out the traffic with tethereal.
It seems like a huge (30,000) or so packets every few
* Drew Weaver drew.wea...@thenap.com [2009-11-24 17:34]:
I've been having some issues with queue drops/CLI sluggishness on a
6500 and I wanted to check what kind of volume of traffic I was
getting punted to the RP.
I made a span session and began checking out the traffic with
tethereal.
Hi Dave,
interface Virtual-Template1
ip unnumbered Loopback0
ip accounting output-packets
no logging event link-status
peer default ip address pool adsl1
ppp authentication pap chap radius-ppp
ppp authorization radius-ppp
ppp link reorders
ppp multilink
ppp multilink
I recall having some of my aaa config options slightly changing syntax after
upgrading. Sounds like you've verified this, but it may be worth
double-checking.
-b
-Original Message-
From: cisco-nsp-boun...@puck.nether.net
[mailto:cisco-nsp-boun...@puck.nether.net] On Behalf Of
On Tue, Nov 24, 2009 at 11:24:26AM -0500, Ross Vandegrift wrote:
Yes, what you described is basically a case where the interface runs at
faster
speed than the data path behind it.
Some examples: oversubcribed 10GE card with only 8 Gbps bandwidth to the
switch
fabric or system bus,
This is exactly the *only* situation, where classic flow control makes sense
and
does really help, since it properly triggers output queueing at the sending
side
when the real data-path speed is reached.
OK, the vitriol towards .3x in this thread was so strong I was concerned I had
Hello Tim
Tim Franklin wrote:
interface Virtual-Template1
ip unnumbered Loopback0
ip accounting output-packets
no logging event link-status
peer default ip address pool adsl1
ppp authentication pap chap radius-ppp
ppp authorization radius-ppp
ppp link reorders
ppp multilink
You can't do it with ubr/ubr+ interfaces ,you need to set a different class of
service.
Here is an example technote
http://www.cisco.com/en/US/tech/tk39/tk824/technologies_configuration_example09186a0080094cf6.shtml
Brian
-Original Message-
From: cisco-nsp-boun...@puck.nether.net
Hi,
Yeah I followed the exact same instructions you posted when creating the RP
span session.
Source Port-VLAN Info
-
Ingress Source Ports: 4/23 15/1
Egress Source Ports : 4/23
Ingress Source Vlans: null
Egress Source Vlans : null
Ingress Filter Vlans : null
Sure,
example #1
example #1
2.012467 local.ip - internet.ip UDP Source port: isdd Destination port:
51472
2.012516 local.ip - internet.ip UDP Source port: isdd Destination port:
51472
2.012566 local.ip - internet.ip UDP Source port: isdd Destination port:
51472
2.012616
Hi Lee,
I believe you're referring to show 'platform hardware capacity' and nothing
looks extremely out of the ordinary.
-Drew
From: Lee [mailto:ler...@gmail.com]
Sent: Tuesday, November 24, 2009 1:14 PM
To: Drew Weaver
Cc: Cisco-nsp
Subject: Re: [c-nsp] 6500 - What determines whether certain
Hi Drew,
On Tue, Nov 24, 2009 at 11:33 AM, Drew Weaver wrote:
Howdy,
I've been having some issues with queue drops/CLI sluggishness on a 6500
and I wanted to check what kind of volume of traffic I was getting punted to
the RP.
I made a span session and began checking out the traffic with
On Tue, Nov 24, 2009 at 1:03 PM, Drew Weaver drew.wea...@thenap.com wrote:
Hi,
Yeah I followed the exact same instructions you posted when creating the RP
span session.
Well.. it was worth a shot :)
Have you seen any syslog messages about a fib or tcam table overflow?
Someone else will
Hi,
No HSRP, VRRP or GLBP on this box.
#sh mac-address-table aging-time
VlanAging Time
--
Global 300
no vlan age other than global age configured
Routed MAC aging time: 300 seconds
This is on our core, though so there are no hosts connected here.
-Drew
-Original
[...taking this from nanog to c-nsp...]
Essentially, for all of the MEC connections, the VSS has created a clone
of the configured port-channel to bind the actual physical connections,
rather than binding them under the configured port-channel (and suffixed
the port-channel number with A or
Are you using first-hop redundancy like hsrp, glbp, vrrp? This can cause
asymmetrical MAC based FIB timeouts which leads to unicast flooding. I didn't
think these were RP switched, but it could be.
If so, what is your setting for mac-address-table aging-time ? We have ours
set fib
Drew Weaver wrote:
Hi,
No HSRP, VRRP or GLBP on this box.
#sh mac-address-table aging-time
VlanAging Time
--
Global 300
no vlan age other than global age configured
Routed MAC aging time: 300 seconds
This is on our core, though so there are no hosts connected here.
On 24/11/2009, at 5:19 PM, Gert Doering wrote:
Well, the two routers mentioned above are the core and the border
routers. There *is* only these two :-)
Well, in that case the only thing I can think of is conditional advertisement
based on the visibility of an iBGP prefix that you receive
I have seen (very frequently) cloned A and B port-channels (debug calls them secondary
aggregators if i remember right) created on a 6500 after reloading the peer router
(C10k). Quite annoying, since the cloned interface is a new interface and snmp counters do
not work anymore (neither our eem
Drew Weaver wrote:
Howdy,
I've been having some issues with queue drops/CLI sluggishness on a
6500 and I wanted to check what kind of volume of traffic I was
getting punted to the RP.
I made a span session and began checking out the traffic with
tethereal.
It seems like a huge (30,000) or so
Having spent the day chasing something identical.for us is was that the
traffic was being redirected to another router on the inbound VLAN - every
packet needing a redirect gets punted. A few changes to topology and the
redirect requirement was removed and the traffic returned to being
Hi,
On Wed, Nov 25, 2009 at 05:50:45AM +1000, David Hughes wrote:
On 24/11/2009, at 5:19 PM, Gert Doering wrote:
Well, the two routers mentioned above are the core and the border
routers. There *is* only these two :-)
Well, in that case the only thing I can think of is conditional
On Wednesday 25 November 2009 04:01:47 am Tassos
Chatzithomaoglou wrote:
According to tac, this is expected behavior for LACP if
there is a misconfiguration (typically when two links of
the same channel are attempted to be connected on two
different devices on the remote end, like in this
On 25/11/2009, at 6:46 AM, Gert Doering wrote:
Sounds like a plan - Router A down - prefix missing on Router B, remove
external announcement there as well.
How to build a redundant network that falls off the 'net if *either* router
dies :-))
LOL. Didn't think that one through to its
Will the SFPs from the ONS systems work in a cat6500? There's a plethora
of ONS-SC-2G SFPs out there, but not so many DWDM-SFP- modules. I'm
guessing that the disparity in supply means they don't work, but would
like some confirm.
(Have a temporary need to run a gig over a DWDM wave, looking
Jeff Bacon wrote:
Will the SFPs from the ONS systems work in a cat6500? There's a plethora
of ONS-SC-2G SFPs out there, but not so many DWDM-SFP- modules. I'm
guessing that the disparity in supply means they don't work, but would
like some confirm.
(Have a temporary need to run a gig over
Hi Everyone,
I am using a Cisco 1841 router, and behind the router are Polycom IP phones
with private ips. When nat is enabled, most of the phones register just
fine. However, a few fail to register. The SBC on the Telco end responds
with an 482 Loop Detected. It appears the Cisco router is
There is also the issue of the fact that the parser has a startup mode
vs a running mode that may contribute to the error seen. Another case
where this random experience has hurt operators.
Jared Mauch
On Nov 24, 2009, at 10:49 PM, Justin Shore jus...@justinshore.com
wrote:
I talked
Hi,
On Tue, Nov 24, 2009 at 09:49:37PM -0600, Justin Shore wrote:
At boot the 'ntp source' command is stripped out every time. During the
boot sequence right before the Press RETURN to get started line this
error is printed:
ntp source Loopback0
^
% Invalid input
Hi,
On Tue, Nov 24, 2009 at 08:58:27AM +0800, Mark Tinka wrote:
Hopefully, the next EARL will resolve these issues, but who
knows what other limitations it may have, when they may be
resolved, or if support will come both to the 6500 and 7600,
or just one of these?
We might see a Cisco
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