Re: [c-nsp] IOS XR

2011-09-12 Thread Rob Shakir
On 12 Sep 2011, at 11:45, Vitkovsky, Adam wrote: Well you can always pay some extra $$$ for the 1+1 APS to improve the convergence times on the long-haul systems But still if the first aplifier on the TX path fails you'd still have to wait some time till the blackout reaches the RX site at

Re: [c-nsp] channelized OC-12 for aggregation

2010-05-13 Thread Rob Shakir
to move away from it (yet!). Kind regards, Rob -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks/Vialtus Solutions ddi: +44208 587 6077mob: +44797 155 4098 pgp: 0xc07e6deb nic-hdl: RJS-RIPE This email is subject to: http

Re: [c-nsp] Error: Write byte status SP error on 6500?

2010-05-09 Thread Rob Shakir
. Sounds similar enough to your issue that it might explain it. HTH, Rob -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks/Vialtus Solutions ddi: +44208 587 6077mob: +44797 155 4098 pgp: 0xc07e6deb nic-hdl: RJS-RIPE

Re: [c-nsp] MPLS over VLAN

2010-04-27 Thread Rob Shakir
no awareness of what's in the packet, or what relevance it has to any service. Kind regards, Rob -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks/Vialtus Solutions ddi: +44208 587 6077mob: +44797 155 4098 pgp: 0xc07e6deb nic

Re: [c-nsp] Multiprotocol BGP with Cisco

2010-04-19 Thread Rob Shakir
not sure on the practicality of implementing such a mechanism, as it would perhaps depend on how the FIB is implemented. I cannot, however, see a reason why it would not be possible to implement this, theoretically. Kind regards, Rob -- Rob Shakir r...@eng.gxn.net Network

Re: [c-nsp] Dynamic TCAM allocation/optimization? (was Re: N7K tcam handling)

2010-03-13 Thread Rob Shakir
is that it should give some similar behaviour, however, there are still concerns around non-determinism and control-plane scaling. It does, however, seem worth noting that this approach isn't something that's been wholly abandoned. Kind regards, Rob -- Rob Shakir r...@eng.gxn.net Network

Re: [c-nsp] route-map IN / OUT deny issue

2010-03-02 Thread Rob Shakir
, this is your issue. Kind regards, Rob -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks/Vialtus Solutions ddi: +44208 587 6077mob: +44797 155 4098 pgp: 0xc07e6deb nic-hdl: RJS-RIPE This email is subject to: http

Re: [c-nsp] ISSU on SXF - SXI

2010-02-12 Thread Rob Shakir
, and will not be trying it again. I think it's suited for deployments where you have 30+ boxes that are identical in terms of configuration, and hardware, but in the SP environment (like us), the variance of boxes means that it's just not worthwhile. Kind regards, Rob -- Rob Shakir r

Re: [c-nsp] Cisco 6500/Sup720 ARP CoPP

2010-02-10 Thread Rob Shakir
as this, or is any ARP class-map showing forwarding and/or policing? Kind regards, Rob [0]: http://www.cisco.com/web/strategy/docs/gov/DATM_CoPP_ERSPAN_NetFlow.pdf [1]: http://www.ciscosystems.com/en/US/prod/collateral/switches/ps5718/ps708/prod_white_paper0900aecd802ca5d6.html -- Rob Shakir

Re: [c-nsp] 7600 Rate Limiting Output

2010-01-31 Thread Rob Shakir
RJS-TEST end Out of interest - what IOS are you running on the 7600 in question? Kind regards, Rob -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks/Vialtus Solutions ddi: +44208 587 6077mob: +44797 155 4098 pgp: 0xc07e6deb

Re: [c-nsp] 7600 Rate Limiting Output

2010-01-30 Thread Rob Shakir
.html [1]: http://www.cisco.com/en/US/prod/collateral/routers/ps368/product_data_sheet0900aecd8033998f_ps708_Products_Data_Sheet.html -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks/Vialtus Solutions ddi: +44208 587 6077mob: +44797 155 4098

Re: [c-nsp] 10GE WAN options for 7606 for market data / micro-bursting

2010-01-30 Thread Rob Shakir
put together a strict statement of requirements and get Cisco to demonstrate that the card meets your demands before you go forward. The 7600 platform can have a nasty habit of biting you back. I can probably share more details of the ES off-list if you need them! Cheers, Rob -- Rob Shakir

Re: [c-nsp] IOS Version for 7206VXR

2009-12-06 Thread Rob Shakir
deployments, I would recommend investigating 12.2(33)SRD3 - our current testing is pretty positive. Kind regards, Rob -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks/Vialtus Solutions ddi: +44208 587 6077mob: +44797 155 4098 pgp

Re: [c-nsp] SPA V1 vs V2

2009-10-30 Thread Rob Shakir
that this doesn't work :-) Kind regards, Rob -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks/Vialtus Solutions ddi: +44208 587 6077mob: +44797 155 4098 pgp: 0xc07e6deb nic-hdl: RJS-RIPE This email is subject to: http

Re: [c-nsp] SPA V1 vs V2

2009-10-27 Thread Rob Shakir
that these cards that do not support a feature do not let you configure it! Kind regards, Rob -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks/Vialtus Solutions ddi: +44208 587 6077mob: +44797 155 4098 pgp: 0xc07e6deb nic

Re: [c-nsp] 7609 DHCP alternatives - EVC / Subinterfaces

2009-10-24 Thread Rob Shakir
if you have any requirement to support different features ongoing - we're currently using routed subifs with no problems in a couple of deployments. Kind regards, Rob -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks/Vialtus Solutions ddi: +44208 587

Re: [c-nsp] MPLS TE Fast Re-route

2009-09-17 Thread Rob Shakir
if you think there's anything I can assist with. Kind regards, Rob -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks/Vialtus Solutions ddi: +44208 587 6077mob: +44797 155 4098 pgp: 0xc07e6deb nic-hdl: RJS-RIPE This email

Re: [c-nsp] Change VRF RD

2009-09-12 Thread Rob Shakir
the line-by-line sync to the secondary in SSO causes it to crash. Both are triggered by trying to remove the VRF RD and reconfigure it. TAC haven't been able to reproduce either, so unfortunately we've got no bug ID. Cheers, Rob -- Rob Shakir r...@eng.gxn.net Network

Re: [c-nsp] do i *need* DFCs on the 6500?

2009-09-03 Thread Rob Shakir
configured. Unfortunately, I don't have the resources to test this - has anyone tried this scenario, and verified this is _actually_ how things work, rather than theoretically? (I think the official answer for this was...This will be fixed in EARL 8) Thanks, Rob -- Rob Shakir

Re: [c-nsp] Monitoring Cisco SIP 200/400 interfaces

2009-08-31 Thread Rob Shakir
slot in the box) I believe that this should let you monitor the CPU of the SIP. Hope this helps, Rob -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks/Vialtus Solutions ddi: +44208 587 6077mob: +44797 155 4098 pgp: 0xc07e6deb

Re: [c-nsp] Migrate 6500 to 7600

2009-08-30 Thread Rob Shakir
chassis, it booted and ran fine under SXF15a. After verifying the functionality, we moved to SRC2. Hopefully this is of some help, Rob -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks/Vialtus Solutions ddi: +44208 587 6077mob: +44797 155

Re: [c-nsp] No GRP images for GSR's?

2009-03-30 Thread Rob Shakir
is (I would say) a better bet. I've also been told there will be no 12.0(33)S for GRP, just as you stated. Additionally, 12.0(32)S13 should be available within the next week or so with a fix for the 4-byte ASN problem. Kind regards, Rob -- Rob Shakir r...@eng.gxn.net

Re: [c-nsp] Opinions of DDoS appliances, other techniques, most notably Cisco Guard

2009-03-30 Thread Rob Shakir
mitigation measures. I'd be really interested to hear about what other Guard-type appliances people are deploying - and how people are working around the 6500/7600 limitations with NetFlow. Thanks, Rob -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks

Re: [c-nsp] BGP Session Teardown due to AS_CONFED_SEQUENCE in AS4_PATH

2009-01-20 Thread Rob Shakir
, to try to ensure that both the IOS behaviour, and RFC are changed. Many thanks, Rob -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks/Vialtus Solutions ddi: +44208 587 6077mob: +44797 155 4098 pgp: 0xc07e6deb nic-hdl: RJS-RIPE

[c-nsp] BGP Session Teardown due to AS_CONFED_SEQUENCE in AS4_PATH

2009-01-16 Thread Rob Shakir
to this problem is much appreciated, either publicly, or privately. Regards, Andy Davidson, NetSumo (andy.david...@netsumo.com), Jonathan Oddy, Hostway UK (jonathan.o...@hostway.co.uk), Rob Shakir, GX Networks (r...@eng.gxn.net) References: [0]: Andy Davidson

[c-nsp] SPA-1XCHSTM1/OC3 SDH Software Implementation

2008-12-12 Thread Rob Shakir
comments. Cheers, Rob -- Rob Shakir r...@eng.gxn.net Network Development EngineerGX Networks/Vialtus Solutions ddi: +44208 587 6077mob: +44797 155 4098 pgp: 0xc07e6deb nic-hdl: RJS-RIPE This email is subject to: http//www.vialtus.com