Re: [c-nsp] Performance issue on link

2013-04-01 Thread Laurent Geyer
Bandwidth delay product (BDP). You'll find a bunch of articles out there searching for those terms. Adjusting the TCP windows size to compensate for the delay should help you achieve close to CIR. You mention a Linux server (most distributions have TCP window scaling enabled), but I'll

Re: [c-nsp] FQDN ACL's on ASA

2013-04-01 Thread Laurent Geyer
FQDNs are not dynamic. The ASA will use whatever the name resolves to when the ACL is compiled. Based on that behavior I'd say that, a wildcard entry wouldn't do what you want it to even if the ASA accepted that input. — Laurent On Thu, Mar 28, 2013 at 6:14 PM, Scott Voll svoll.v...@gmail.com

Re: [c-nsp] Performance issue on link

2013-04-01 Thread Laurent Geyer
You didn't adjust the TCP window size of the stack.  Wish I could remember the exact syntax, but if you do a google search you should find the systl commands to make the necessary changes for the protocol stack. — Laurent On Mon, Apr 1, 2013 at 7:08 PM, CiscoNSP List cisconsp_l...@hotmail.com

Re: [c-nsp] DNS amplification

2013-03-16 Thread Laurent Geyer
Curious, how does uRPF help under this scenario? Although the source address is spoofed, the target is stil valid destination address. — Laurent On Sat, Mar 16, 2013 at 6:38 PM, David Rothera david.roth...@gmail.com wrote: Depends on whether you want to defeat being the person being attacked

Re: [c-nsp] Unable to transmit tagged frames over q-in-q tunnel

2011-10-27 Thread Laurent Geyer
On Thu, Oct 27, 2011 at 12:41 PM, Keegan Holley keegan.hol...@sungard.comwrote: Your diagram got mangled. I think your PE facing interface has to be a tunnel as well depending on the type of router you are connected to. Assuming that the user port was an access port for vlan 1006 before,

Re: [c-nsp] OSPF NSSA question

2009-07-22 Thread Laurent Geyer
On Tue, Jul 21, 2009 at 1:54 PM, Ruben Alvarezr...@opusnet.com wrote:  Now the ABR has all the N2 routes for the three routers.  But so do all three routers, which isn't needed.  They only have one interface and a default route.  Is there a way I can ignore all routes in the area except the

Re: [c-nsp] OSPF NSSA question

2009-07-22 Thread Laurent Geyer
On Wed, Jul 22, 2009 at 4:13 PM, Ruben Alvarezr...@opusnet.com wrote: A stub area is an area which does not receive external route advertisements. It may be configured to reduce many route advertisements into an area when the routing table consists of mostly external routes. Instead of the

Re: [c-nsp] LX vs LH Transceivers

2009-06-16 Thread Laurent Geyer
On Mon, Jun 15, 2009 at 7:08 PM, Justin Krejcijkre...@usinternet.com wrote: Everywhere online that I could find seems to indicate LX and LH are 100% compatible with each other and that Cisco even uses these two interchangeably (to the dismay of some). LX and LH interoperability shouldn't be an

[c-nsp] EoMPLS - port mode to vlan mode

2009-02-13 Thread Laurent Geyer
Hey there. Does anybody here happen to have any experience working with pseudo wires that are port-tunneled on one side and vlan-tunneled on the other? Having a bear of a time trying to figure out why I cannot pass any traffic over a vc that's configured in this fashion. Switch A

Re: [c-nsp] EoMPLS - port mode to vlan mode

2009-02-13 Thread Laurent Geyer
On Fri, Feb 13, 2009 at 12:10 PM, Justin Shore jus...@justinshore.com wrote: Laurent Geyer wrote: interface TenGigabitEthernet3/1.100 encapsulation dot1Q 100 xconnect Switch A IP 100 encapsulation mpls end Are you sure that you're not getting any traffic out of Te3/1.100? My thought

Re: [c-nsp] EoMPLS - port mode to vlan mode

2009-02-13 Thread Laurent Geyer
On Fri, Feb 13, 2009 at 1:25 PM, Saku Ytti saku+cisco-...@ytti.fi wrote: On (2009-02-13 12:02 -0500), Laurent Geyer wrote: Does anybody here happen to have any experience working with pseudo wires that are port-tunneled on one side and vlan-tunneled on the other? Having a bear of a time

Re: [c-nsp] untagged to QinQ switch ports

2009-02-13 Thread Laurent Geyer
On Fri, Feb 13, 2009 at 2:05 PM, Ross McConner rmccon...@gmail.com wrote: Maybe I'm just hitting my head against a wall and therefore can't see the answer.. I'm looking for a way to take a non-trunked ethernet port and encapsulate any of the L2 packets into a double-tagged dot1q vlan.

Re: [c-nsp] untagged to QinQ switch ports

2009-02-13 Thread Laurent Geyer
On Fri, Feb 13, 2009 at 2:05 PM, Ross McConner rmccon...@gmail.com wrote: Maybe I'm just hitting my head against a wall and therefore can't see the answer.. I'm looking for a way to take a non-trunked ethernet port and encapsulate any of the L2 packets into a double-tagged dot1q vlan.

Re: [c-nsp] EoMPLS - port mode to vlan mode

2009-02-13 Thread Laurent Geyer
O On Fri, Feb 13, 2009 at 4:36 PM, Saku Ytti saku+cisco-...@ytti.fi wrote: On (2009-02-13 13:50 -0500), Laurent Geyer wrote: Any reason why you believe I need to use pseudo wire classes here? Because you need to dig out ethernet frame out from mismatching headers in each end-point. For all

Re: [c-nsp] VPN PIX 6.x Translation issue

2009-02-02 Thread Laurent Geyer
This has to do with NAT behavior on Pix 6.x and supposedly changed on the ASA, but I have personally observed the behavior there as well. Pixes will inherently attempt to translate any traffic they receive on an interface unless told not to. In your case following should address the problem.

Re: [c-nsp] IOS reliability

2009-01-07 Thread Laurent Geyer
On Wed, Jan 7, 2009 at 9:52 AM, Ross Vandegrift r...@kallisti.us wrote: On Wed, Jan 07, 2009 at 11:18:06AM +, a.l.m.bu...@lboro.ac.uk wrote: Most of the crashes have been related to SNMP. For many MIBs, if you poll an object at the same time it is changed/removed, there's a race

Re: [c-nsp] Alternatives to Cisco's TACACS server?

2008-11-25 Thread Laurent Geyer
On Tue, Nov 25, 2008 at 10:32 AM, Teller, Robert [EMAIL PROTECTED]wrote: I am using radius and Microsoft's IAS server and that works just fine. Radius works fine for authentication, but how are you handling accounting? - Laurent ___ cisco-nsp

Re: [c-nsp] scp running/startup config

2008-11-22 Thread Laurent Geyer
On Sat, Nov 22, 2008 at 9:55 PM, Tim Durack [EMAIL PROTECTED] wrote: On Sat, Nov 22, 2008 at 9:46 PM, ghostonthewire [EMAIL PROTECTED] wrote: Tim Durack wrote: Amazing: usziplab001:~/config/Core# !scp scp acl.txt [EMAIL PROTECTED]:running-config Password: acl.txt

Re: [c-nsp] Alternatives to Cisco's TACACS server?

2008-11-20 Thread Laurent Geyer
On Thu, Nov 20, 2008 at 12:30 PM, Tom Simes [EMAIL PROTECTED] wrote: What are folks using these days for a TACACS+ server that they're happy with? TIA! Tom The fork based on Cisco's code over at shrubbery has worked out well for me. http://www.shrubbery.net/tac_plus/ Cheers, Laurent

Re: [c-nsp] OT: network inventory

2008-08-19 Thread Laurent Geyer
On Tue, Aug 19, 2008 at 9:56 AM, chip [EMAIL PROTECTED] wrote: So far all of the software that's been presented will autodiscover devices and backup configs and such. Is there anything around that will actually take inventory of a router. By inventory I mean, list of cards, model numbers,

Re: [c-nsp] Port down 6500 warning via syslog

2008-04-29 Thread Laurent Geyer
On Tue, Apr 29, 2008 at 4:38 AM, Holemans Wim [EMAIL PROTECTED] wrote: I know I have seen this before, but I can't find the article. On most cisco IOS switches, you get syslog messages if a port goes down or up. On a 6500 this is not the case. But I remember seeing an article in which a way

Re: [c-nsp] Core to access links. Use single etherchannel?

2008-04-23 Thread Laurent Geyer
On Wed, Apr 23, 2008 at 9:09 AM, Grant Moerschel [EMAIL PROTECTED] wrote: Is it a viable and recommended option to instead portchannel those two gig ports on both sides to both double the bandwidth and eliminate spanning tree issues? If so, on the core switch side should one gig link be on,