Hi All Cisco Part N2K-C2248TPE-FA-B  what exactly is this ? Is this the Fabric Extender with Fan  or is this only the Fan ? If I wanted to order this part what will I get ? ... View more

Besides the ME-3400E which of the other Cisco Switches and Metro Ethernet Switches support 802.1AD ? ... View more

I have  3  Data centres which I am linking up via Single Mode Single Strand Fibre The switches at each data centre are WS-C4948-E Distance between Data Centre 1 and Data Centre 2  is 60km  single mode single strand Distance between Data Centre 2 and Data Centre 3 is 70km   single mode single strand What type of SFP do I need to use in each Data Centre for the WS-C4948-E switches for these distances. Kind Regards and thanks to All Steve ... View more

ASA NAT Performance Figures Please ? Does anyone have real world NAT performance figures for any of the ASA55** models. I am interested to see actual NAT Sessions and throughput on the ASA ? My Router has peaked at 130,000 Sessions  (100% CPU) so I need to move to an ASA. Currently using a CISCO7201 So I need assistance in choosing a ASA55XX to replace that will do more than 130,000 NAT Sessions ? ... View more

HELP  I NEED ADVISE ON CHOOSING ANOTHER ROUTER ??    I am working with a client who has a CISCO7201 which is at 100% CPU  with  131,000 nat sessions. 7201: dies at 100% CPU, drops packets, end users see little or no traffic, I replaced the 7201 with and ASR1002 with ESP5  and it is not much better.  ASR 1002: limping at 85% RP CPU, 62% SP CPU, drops packets, end users see 30% of actual plan speed. The ASR is currently running at 83% RP CPU, 63% SP CPU with WHAT ARE THE RECOMMEDATIONS AND ADVISE HERE, THE ASR1002 ISNT MUCH BETTER  FROM ASR1002 Total active translations: 110861 (423 static, 110438 dynamic; 110687 extended) Outside interfaces: GigabitEthernet0/0/0, Loopback6, Loopback127 Inside interfaces: GigabitEthernet0/0/1.55 Hits: 5319971872  Misses: 122285308 CEF Translated packets: 0, CEF Punted packets: 0 Expired translations: 123414071 Dynamic mappings: -- Inside Source [Id: 1] access-list 1 pool cvc55 refcount 109542 pool cvc55: netmask 255.255.254.0 start 180.181.124.1 end 180.181.125.254 type generic, total addresses 510, allocated 150 (29%), misses 0 nat-limit statistics: max entry: max allowed 0, used 0, missed 0 Pool stats drop: 0  Mapping stats drop: 0 Port block alloc fail: 0 IP alias add fail: 0 Limit entry add fail: 0 ... View more

Hi All I am looking for a Cisco Aggregation Switch with following Features Must support Netflow IPFIX or equivalent. Must support Spanning-tree elimination between a switch pair Must be 2RU Must have 16 x  1GigE Port SFP (copper and Fibre Support) Must gave 2 x 10GigE SFP+ Layer 3 virtualization Routing Protocol Support ... View more

Hi All I am looking for a Cisco Aggregation Switch with following Features Must support Netflow IPFIX or equivalent. Must support Spanning-tree elimination between a switch pair Must be 2RU Must have 16 x  1GigE Port SFP (copper and Fibre Support) Must gave 2 x 10GigE SFP+  Layer 3 virtualization Routing Protocol Support ... View more

There is some conflicting information on the Cisco Website about the FIB for the ASR1001 The claim is that the ASR1001 does 1M IPv4 and 1M IPv6 routes Is this true and if not what are the correct figures? I would like to  be able to do 1M IPv4 and 500,000  IPv6 routes ... View more

I need to carry some spares and my question is ?  Can the following higher spec 15216-DCU-1950  be used to cover the list below it? Would be more cost / operationally efficient if we could use the higher spec to cover all bases. HIGHER SPEC 15216-DCU-1950= DCF of -1950 ps/nm SUBSTITUTON BASE: 15216-DCU-100= DCF of -100 ps/nm 15216-DCU-350= DCF of -350 ps/nm and 4dB loss 15216-DCU-450= DCF of - 450 ps/nm 15216-DCU-550= DCF of - 550 ps/nm 15216-DCU-750= DCF of -750 ps/nm and 6dB loss 15216-DCU-950= DCF of - 950 ps/nm 15216-DCU-1150= DCF of -1150 ps/nm and 8dB loss 15216-DCU-1350= DCF of -1350 ps/nms 15216-DCU-1550= DCF of -1550 ps/nm ... View more

A quick one.. on Cisco website on the 4900M and the 4948s results in differences in the support of the number of spanning tree instances: This one (table 2) says 1500 and 3000: http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps6021/product_data_sheet0900aecd8017a72e.html Where as this one (table 4) says 4000: http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps6021/ps9310/Data_Sheet_Cat_4900M.html Which is correct? ... View more

My engineeer as asked me to get a XR-12406/120-AC.  However I a GSR6/120-AC Spare. What is the main difference between these units and can I upgrade my GSR6/120-AC to XR Specs ... View more

We have a GSR6/120-AC  and my engineer has asked for a XR-PRP-2.  I have  several spare a PRP-2 which I would like to use. What is the main difference between the XR-PRP-2 and PRP-2 ... View more

I see the WS-SVC-AGM-1-K9  was EOL  Jan 2010                       What is the suggested Product Migration Option?                   Also if anyone is using this WS-SVC-AGM-1-K9 I would like some feedback                   Our problem is listed below and we are wondering of the WS-SVC-AGM-1-K9 will work ?                               Looking at the best option to detect attempts at cracking our SIP servers. We see connections from scanners on the internet trying to brute force SIP passwords reasonably often, and would like to be alerted to them happening. Essentially we see hundreds of SIP registration attempts or Invites from the same IP, and this is how we know it is dodgy. If the Anomaly Detector can alert us to this type of traffic, it will be much easier to stop them quickly ... View more

I see the WS-SVC-AGM-1-K9  was EOL  Jan 2010 What is the suggested Product Migration Option? Also if anyone is using this WS-SVC-AGM-1-K9 I would like some feedback Our problem is listed below and we are wondering of the WS-SVC-AGM-1-K9 will work ? Looking at the best option to detect attempts at cracking our SIP servers. We see connections from scanners on the internet trying to brute force SIP passwords reasonably often, and would like to be alerted to them happening. Essentially we see hundreds of SIP registration attempts or Invites from the same IP, and this is how we know it is dodgy. If the Anomaly Detector can alert us to this type of traffic, it will be much easier to stop them quickly. ... View more