nodes/roles.
You can implement this same configuration for Nexus following the
configuration documentation for VXLAN anycast gateway.
Thank you,
Nathan
On Sun, Apr 21, 2024 at 8:55 PM Chen Jiang via cisco-nsp <
cisco-nsp@puck.nether.net> wrote:
> Hi! Michael
>
> Thanks for your
co.com/iop?tpid=6)? In particular, the page I linked
(and I may just not be understanding correctly) seems to be saying
that QSFP-100G-ER4L-S may be compatible with what you are looking for.
Regards,
Nathan
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On 27/09/2023 at 4:15:31 PM, Mark Tinka wrote:
>
>
> On 9/24/23 03:43, Nathan Ward wrote:
>
> My only assumption was that early versions of VRF implementation in IOS
> did not expect that operators would require more fine-grained use of
> import/export policies, and may ju
of expected RTs? It would certainly make it a lot faster to generate the
list of RTs to advertise with rtfilter - though given that’s only at config
commit time perhaps it’s not a big deal.
It means that policy in Cisco can be shorter, which is nice I suppose.
From memory, if you create a static default and leak that, it follows
wherever that default goes, and doesn’t follow the logic you would expect
for label mode per-vrf - so if it’s a default to null, the packets get
dropped. Default to a vrf with a next-hop - packets go out to that next-hop.
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On Wed, Sep 21, 2022 at 6:52 AM Simon Leinen via cisco-nsp <
cisco-nsp@puck.nether.net> wrote:
> Gert Doering writes:
> > On Wed, Sep 21, 2022 at 08:14:30AM +0300, Hank Nussbacher wrote:
> >> Indeed the SNMP leaks appear to be exactly CSCtw74132 which we did
> >> not know about nor did Cisco TAC :
If you search
instead on your 3650 PID, you may find otherwise, but from what I can tell,
there is one other DWDM and a CWDM module that *are* supported, just not
the DWDM-SFP10G-C-S.
Thank you,
Nathan
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>
> Has anyone established a remote access vpn inside another remote access
> vpn?
I have never done it myself. I have found using a VM to work well for
this.
>
>
Does it work? any challenges, do you need the same VPN client?
>
I have had more cases with my users breaking one VPN client installa
this it was some kind of link local IPv6 stuff. Either way, it would be
nice to know what you find the problem to be.
Thank you,
Nathan
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>
> Somewhat related, IOS (all flavours) do in-place ACL unless you do
> object ACLs. In-place ACL update behaviour essentially doubles your
>
FWIW we are actually using object ACLs. What's the behavior then?
Copy-swap? Is there a real name for that which I'm not remembering?
___
>
> Do you happen to have a bug reference for this? We’ve been seeing this
> behaviour intermittently on some csr 1ks and haven’t had the time/energy to
> debate it with TAC yet.
Sorry, just saw this.
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuw19907 . That's for the
Catalyst 4500x, which
>
>
> Is this the norm for the Cisco 10/25 switches as well? I don't have any to
> test with at the moment.
>
> Cisco 3850's have some 1/10 uplink module ports that are identified as
Gigabit or TenGigabit based on the configuration. However, both types of
interfaces always exist logically, they ju
>
>
> This bug not only affects ACLs but other commands as well. Unsure if it is
> fixed in newest XE versions. Could this also affect you?
>
>
Aside from this behavior, XE in the enterprise access layer is full of bugs
related to ACLs. We've recently begun a practice of maintaining two
distinct v
s". Yay.
This is what happens on J ACX boxes.. stunningly bad behaviour :-(
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If "echo" is used, I think you might need something like the following,
replicating the ACEs exactly on each side.
//
permit udp eq 3784
permit udp eq 3785
permit udp eq 3784
permit udp eq 3785
permit udp eq 3784
permit udp eq 3785
permit udp eq 3784
permit udp eq 3785
//
On Th
On Thu, Oct 10, 2019 at 2:36 AM BASSAGET Cédric <
cedric.bassaget...@gmail.com> wrote:
> Hello aain,
> It seems my problem is related to STP.
> After rebooting a switch, VPC peer-link is disabled by spanning tree :
>
> > interface port-channel13
> > switchport mode trunk
> > switchport trunk a
On Thu, Apr 4, 2019 at 2:07 PM Martin T wrote:
> Hi Nathan,
>
> > I could be wrong, but doesn't the output you provided above represent 1
> ms of jitter?
>
> Yes, but the output of "sh ip sla statistics" in my first e-mail shows
> that RTT(round-trip time)
t doesn't the output you provided above represent 1 ms
of jitter?
Thank you,
Nathan
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that you can no longer attach a new service contract to it (through
Cisco). Though, there are third parties out there that might attach a
non-Cisco service contract to it for you.
Thank you,
Nathan
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htt
? I mean (blatant free training
request here) how does this get handled by the VPN customer?
Just navel gazing here, but I am wondering if there would be any benefit to
me running BGP as my own PE-CE protocol.
Thank you,
Nathan
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Hi,
This is a very common deployment.
You have some questions you need to understand about your product/solution -
some examples:
- are you using IP pools on the BNG, or in the RADIUS server?
- how will you identify users? Option 82 - if so Remote ID or Circuit ID? MAC?
- what parameters do y
>
> Do we have an idea if there is static route limit in Cisco 9200L as we had
> in cisco 3750. Is it working in L2 mode and needs licensing to run L3
> features.
>
> Also, is SVI supported in Network Essential License.
>From this,
https://www.cisco.com/c/en/us/products/collateral/switches/catal
> On 13/01/2019, at 10:26 PM, Saku Ytti wrote:
>
> I'm happy to write supporting traceroute for linux+osx should someone
> have supporting device to test against :)
How about you write the Linux implementation of the client and responder :-
e..?),
or does that not solve it?
Can the 4900 set a DHCP option? I believe you can match to a class based on
DHCP options on the ASR9k, but I’ve not personally done this. It may only be
when doing DHCP proxying on the ASR9k, not sure if this applies to using the
ASR9k as a DHCP relay/proxy t
need. The provided link should be helpful.
- Nathan
On Thu, Sep 13, 2018 at 7:48 AM Harry Hambi - Atos
wrote:
> Hi List,
> If I introduce a new member switch to a stack, switch it on, can I then
> copy an IOS image from an existing members flash to the new stack member?
> Any
erface on a 6500. Could it be the "switchport" config is
causing a problem? Would it not work if you configured "no switchport" on
the parent interface?
- Nathan
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>
> We are seeing ARP packets being dropped within the VSS for some ARP
> packets. (We still have single connected sites to the VSS, hence the need
> for Quad Sup6T's)
> Some ARP requests are arriving on one chassis within the VSS, and are not
> being broadcast on the other chassis, resulting in th
>> The issue is the 4500 stamps the relay agent IP in the DISCOVER as
>> being the incoming interface IP where the DISCOVER was received,
Yeah, that's expected and required behavior. I sort of assumed, as
Mr. Mayer indicated, that the "global" option would still set the
giaddr to the receiving vr
ument not accomplish this?
I.e. "ip helper-address global "
That's how I read this:
http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipapp/command/iap-cr-book/iap-i1.html#wp1413119578
Of course the above is more clear in it's descriptio
and tracking. It works great for us, is super easy to get running,
and has really responsive support. ATM, I actually can't imagine
using anything else for the same functions.
Now I'm in a similar boat of having to decide on change
management/config back
> How to explain this behavior? Is it likely some kind of SNMP agent
I may not have this totally right, but I believe sysUpTime is a 32-bit
value, which will only go out about 400 and some odd days before it
wraps to 0.
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> Do people still want to receive PSIRT notices here?
The PSIRT notifications through this list always beat my Cisco
subscribed notifications by two to three days. So for me getting the
notifications via this list's subscription to Cisco's notifications is
unnecessarily redundant. I will likely
> On 11/11/2016, at 10:23 PM, James Bensley wrote:
>
> On a side note, does my memory serve me correctly, did they also have
> the two power cords that feed into one Y shaped connector? I seem to
> remember nervously connecting a spare power feed to the spare
> connector on the Y cable and pulli
me reason and the
physicals should have “ip nat outside" - though I’m not sure why.
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error.
Good luck,
Nathan
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t delay and checking memcache.
I have not tested any of these yet, and am mulling them over.
If you are using proxy DHCP functionality, perhaps you can auth both BNGs, and
control which you respond to in your DHCP server - if your DHCP server can
support such things. Perha
y the route being a local route or not.
Are there some funny rules that are preventing eBGP multihop from coming up
when the peer address is learned over a leaked route? Or.. a leaked route from
the local PE?
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/c/en/us/support/docs/routers/asr-1000-series-aggregation-services-routers/110531-asr-packet-drop.html>
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mpd.sourceforge.net/doc5/mpd30.html
<http://mpd.sourceforge.net/doc5/mpd30.html> for details on how to do most of
the things you’d want with it, triggered by RADIUS. Not mentioned there, but
CoA is supported for many attributes, also.
Compression, mentioned recently, is supported. I’v
es from external networks if they are the
best path for that prefix.
There’s an I-D that updates this to relax it a little so it can be used if you
have multiple eBGP peers between two ASNs (which is obviously quite common).
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pc.com/shop/us/en/products/Rack-Side-Air-Distribution-2U-115V-60HZ/P-ACF201BLK
Actually we’ve got the 220v version but you the the idea.
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gt; 3. High traffic rate
> 4. Combination of traffic streams with varying packet sizes
Hi Eric,
Sounds likely, yeah. Well spotted. Looks like software took a while to get
fixed, I saw+reported it in like, August last year.
I won’t be trusting them with MPLS/L2VPN anywhere I care about any
l actually.
Here we go, poke around here, and let me know if you want any more info:
http://marc.info/?l=cisco-nsp&m=144524503928911&w=2
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, perhaps
that was used.
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otally bone-headed) bug is fixed.
Here is the start of the thread on this, on the FreeRADIUS list.
http://lists.freeradius.org/pipermail/freeradius-users/2016-March/082547.html
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https://p
, so, may as well just include it rather than potentially
obscuring things ;)
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> On 20/04/2016, at 16:50, Brian Knight wrote:
>
> At $DAYJOB we use MPLS VPNs from other carriers to provide Internet access
> to customers connected to these VPNs. There is always a prim
d reducing our PE's Ints MTU size to 1500
> "allow" packets above 1500bytes to pass fragmented, but at 9100, they were
> dropped?
Hi “CiscoNSP List”,
What were you pinging from/to?
CE pinging the PE?
If so, the reply from the PE would have been larger than 1500B - remember
s. There was a somewhat complex workaround, but we
upgraded to resolve it. I think the bug was a regression in
15.1(2)SY5 from a prior fix to resolve the same issue with 1G links.
We went to 15.2(1)SY1a, which fixed it for us.
Nathan
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cisc
; Here are some pictures of it, since I can only find a brief mention of it in
> all the cisco docs.
>
> http://imgur.com/a/w8clL
>
For reference, the PSU sticking out and bracket things is not true on all
ASR920 models - some have fixed PSUs, and the ones that are not a full 19” wi
tra space. Because they’ve got an extra couple cm to
cover, they need the extra thickness so the bracket works in wall mount mode.
No replaceable PSUs on these either. You either get naff brackets or PSUs that
stick out the front, I guess.
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___
> On 16/01/2016, at 23:51, Erik Sundberg wrote:
>
> My rack mount brackets don't look like that...
Interesting! Post a pic?
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> On 16/01/2016, at 22:03, CiscoNSP List wrote:
>
> Thanks Nathan - I really question Cisco's thought processwhat was "wrong"
> with the traditional style RJ45 console port? Took up too much realestate??
>
> We have rack kits for them, but Ive on
a pretty common part as well. I
guess it was partially a price thing - probably similar to why serial ended up
on RJ45 in the first place? I haven’t been around long enough to know :-)
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> On 16/01/2016, at 20:54, Gert Doering wrote:
>
> Hi,
>
> On Sat, Jan 16, 2016 at 08:50:49PM +1300, Nathan Ward wrote:
>> Hi, there is both a USB signalled console port, and an RS232 console.
>> The RS232 console uses a USB style connector, which is very, very p
Also, have you got ASR920 rack mount ears? Ever notice that they’re taller than
1RU because of the folded bits? It’s a pretty bad product from a physical
design POV.
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either, but, trust me - it’s certainly
better than using the CLI!
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> On 8/01/2016, at 00:13, Mike wrote:
>
> Hello group,
>
> I have a tool I developed in house which polls a cisco router terminating
> PPPoE sessions in order to get a complete picture of
at. We chart queries per CPU%, recursion times, all sorts of good stuff.
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> On 19/10/2015, at 19:29, CiscoNSP List wrote:
>
> Hi Nathan - Can you please elaborate on the 920/MPLS issues under load(What
> load did you see the issue? CPU, PPS, Throughput?), and what IOS you were
> running?
>
> We've purchased a bunch of these (None deployed
> On 19/10/2015, at 14:46, James Jun wrote:
>
> On Sun, Oct 18, 2015 at 07:42:27PM +1300, Nathan Ward wrote:
>> Sorry, I should look better.
>
> I would say Juniper ACX is more comparable to ASR 901 Series meant for cell
> sites with simple l3vpn instance or small-sc
e buying. Just dump your current Juniper
> configurations on to the thing and see what happens.
Normally, sure, but they’re impossible to get ahold of.
Current configs are on ME3600X for me, so I expect I’ll get errors :-)
--
Nathan Ward
__
> On 17/10/2015, at 17:54, Mark Tinka wrote:
>
>
>
> On 17/Oct/15 06:26, Nathan Ward wrote:
>
>> I’m surprised no one has yet mentioned Juniper ACX - or at least I couldn’t
>> see it in a quick scan of the thread.
>
> It was mentioned…
Sorry, I should
can report back on how well they work.
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Nathan Ward
> On 15/10/2015, at 10:52, Gavin McBride wrote:
>
> Hello all,
>
> I've been evaluating a few platforms for a smallish MetroE-style
> deployment, focused on E-Line services between a number of sites, with n x
> 10
forwarding when it came under
under heavy load, but you know, we’re getting there..)
--
Nathan Ward
> On 24/09/2015, at 14:35, Pshem Kowalczyk wrote:
>
> Hi,
>
> I don't expect that platform to ever support those sort of features (but
> that's my personal opinion). The n
re using the second to
last port. Same goes for other switches you might connect, same reasoning.
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other countries, but it depends on
the network.
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> On 19/08/2015, at 00:29, Tim Durack wrote:
>
> Question: What is the preferred practice for separating peering and transit
> circuits?
>
> 1. Terminate peering and transit on separate routers.
> 2. Terminat
Internet over VASI interfaces is a pretty
common solution, because you can do NAT and whatever else there so the customer
runs private addressing within their cloud. Putting lots of subscriber traffic
over a VASI just to get the packets in to the right VRF is pretty uncommon.
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ng, and if you’ve got
peering/transit/non-BNG stuff on the same box as your BNG.
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und it for my SE to take upstairs, if anyone else is impacted by it hit
me up of list and we’ll try get it fixed.
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xists, I’ve even seen it myself!
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” VRF on a different router, but that
doesn’t work where we have POPs which consist of only a BNG and a CDN hanging
off it.
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archi
higher specced boxes nearer your border choose where to
send stuff. You need per-VRF, so that you can put a null default in, and
advertise that, and not have your traffic label switched to null - per-VRF does
a route lookup when the VPN label is popped.
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__
> Glad to hear that you got it working!
Thanks.
> Out of curiosity, would you mind sharing the specific pref list entry
> you ended up using?
>
> Was it simply 'everything/32'?
Tinkering with the prefix-list at first, got the results I expected.
I was redistributing the static routes to BGP, ma
Thanks to everyone that gave input & advice.
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To understand the human mind, understand self-deception. - Anon
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> Does a 'sh ip route' for the /32 indicate that its being redistributed?
> If you do a 'sh ip bgp nei adver' does it show it being advertised?
Below I pasted excerpts from the router. The route appears to be
redistributed by the correct route-map. The STATIC-TO-BGP map proceeds
to set the commun
he transit peer, I'm assuming not.
I've attached a portion of the cisco-config (substituting sensitive info,
but it should be easy enough to follow).
Would someone mind suggesting if I'm missing anything of particular
importance. It would be much appreciated.
Thanks.
--
Naveen N
everywhere closer to Cogent will go
from Cogent to ATT and then to you. If Cogent does not have a direct
connection to ATT (OK so that is unlikely), then traffic will leave
Cogent on a path towards ATT . . . and the intermediary might just
send it back to Cogent . . .
--
HTH,
Nathan
so that people who have a choice between Cogent and ATT
don't send to Cogent.
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Nathan
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On Mon, Oct 27, 2008 at 6:41 PM, <[EMAIL PROTECTED]> wrote:
> Nathan, thanks for this idea. Your idea could work. I just need to find
> out if they will accept my 2x /25 routes if I split the /24.
Frances Albemuth refined my proposal with better knowledge of Cogent's
communiti
er out non-default
non-Cogent routes. Set local preference lower than default on default
route from Cogent, and local-preference higher than default on Cogent
routes.
-- advertise whole network to ATT, without prepends.
-- receive default route from ATT, with
1s?
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Thanks for your help,
Nathan
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several tunnels (one for each
VLAN), or just one tunnel with 802.1q tags, or even just one tunnel
for one VLAN and another VLAN as default VLAN?
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Nathan
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ning nicely at about 30-40% capacity for
a Cisco 12000 :-) Not that I've got the list price for a 12000 with
ATM SMI and GBE cards in front of me, but something tells me it isn't
going to happen.
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Nathan
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On Fri, Oct 24, 2008 at 10:10 AM, Joe Maimon <[EMAIL PROTECTED]> wrote:
> Nathan wrote:
>>
>> I can't believe this isn't simple! I just want to change the PVC on
>> the [expletive] ATM cells and push them back the same way they came,
>> how can that b
onfig change, yes, I
know, but they're the only game in town and not expensive as long as
you don't deviate from the norm).
I just can't believe a 7200 can't do this. I can't get a definitive
response either way from the Cisco docs. Anyone? Please?
--
Nathan
_
On Wed, Oct 22, 2008 at 3:04 PM, Nathan <[EMAIL PROTECTED]> wrote:
> On Wed, Oct 22, 2008 at 1:57 PM, Eric Kagan wrote:
>> Just a thought - did you try 'atm route-bridged ip' on the atm
>> sub-interfaces ? I just had to add this to a recent config in order for
&g
On Mon, Oct 20, 2008 at 12:54 PM, Oliver Boehmer (oboehmer)
<[EMAIL PROTECTED]> wrote:
> Nathan <> wrote on Monday, October 20, 2008 10:29 AM:
>> In effect, I want to extend the VC coming in on one PE so that it
>> (L3) terminates on another PE.
>
> you need the
(Replying to list but removing Eric's e-mail address completely)
On Wed, Oct 22, 2008 at 1:57 PM, Eric Kagan wrote:
> Just a thought - did you try 'atm route-bridged ip' on the atm
> sub-interfaces ? I just had to add this to a recent config in order for
> layer 3 to work.
Oh yes, that's standar
On Tue, May 20, 2008 at 6:08 PM, Matthew Crocker <[EMAIL PROTECTED]> wrote:
>
> Nathan,
>
> It sounds like what you want to do should be possible. I'm not sure if the
> 7206 can do it or not. I'm pretty sure a Redback SE-400 can do it.
...
> I have no idea
MPBGP do. Therefore
you need unfettered communication between the loopbacks of your
routers, PE routers included, therefore you need your loopbacks in
your IGP, therefore you need IGP on your PE routers.
I suppose you could somehow make the network function without
notices as quickly as possible and pulls down
> the link.
>
> You want as few routes as possible in IGP (so just links and loopbacks), but
> i guess you already knew that! :)
It's not stressed enough in docs about setting up iBGP and MP-BGP,
unfortunately, but yes I did learn
On Tue, Oct 21, 2008, Adam Armstrong <[EMAIL PROTECTED]> wrote:
> Nathan wrote:
>> - Is running OSPF on a switch at all useful when the switch is
>> connecting routers that are running MPLS, MP-BGP, and OSPF? Can it
>> provide faster detection of link loss?
>
&g
of the two locations)
connected by one WAN link, with all routers having an interface
connected to both switches at its location?
--
Nathan
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on, but mightn't there be some
kind of encapsulation problem? All the examples I've seen do xconnects
between VLANs or between PVCs, not between a VLAN on one hand and a
PVC on the other hand.
Thanks,
Nathan
(Anxiously waiting to see if anyone has insights on my service
provider network design q
t possible ?
Thanks,
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Nathan
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rtr(config-rtr)# no redistribute bgp 65000 subnets route-map
JustATeensyFiftyRoutesOrSo
results in
redistribute bgp 65000 subnets
and that *hurts*
--
HTH
Nathan
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e FE specs, and GE jumbo which is mostly 9000 and
is configured with "system mtu jumbo " but only works on gigabit
interfaces.
I believe your switches have an FE maximum MTU of 1998, so if you are
just making room for some QinQ headers on a 1500-byte packet th
rectly to routers, I'll have
four expensive routers mainly passing packets for the other
routers, that doesn't seem cost-effective. Am I missing or
misunderstanding some crucial documentation or insight?
Thanks for any comments,
--
Nathan
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cisc
e there any
recommendations for software that can manage physical layer assets
reasonably well? Any comments on iTracs or Ulticam?
TIA,
Nathan
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arch
uration on
the routers) not physical (having to do with physical network
connections between routers). In this context a mesh means that every
router must be configured as an iBGP neighbor to all the others (plus
restrictions in option b) above).
--
HTH
Nathan
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s nasty because IIRC debug ip icmp on the PE says it's sending
the ICMP message, but doesn't mention that it chose the wrong outgoing
interface.
At the time I searched CCO for the bug, didn't find it, tested on
12.3, could not reproduce, and therefore upgraded to 12.3.
--
HTH
Na
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