Cisco WAN :: 3945E Maximum Throughput Potential?
Jan 8, 2011
Am looking at purchasing a router that is capable of serving a WAN bearer at up to 1Gbps. The 3945E has had good reviews as a high throughput router but the datasheets suggests performance of 350Mbps. It also states that additional performance can be ensured by adding SPE modules. Whether the 3945E could achieve up to 1Gbps with SPE modules?
If the 3945E can't achieve such performance, The key features I am after are:
IPV4 and IPV6 support
L2tpV3 support
BGP
IP SLA
1Gb Copper Connections on-board with capability of at least 4 Ports
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Jan 19, 2012
what this syslog message means? Being getting this on my 3945e series routers. My gut tells me they are caused by our Security guys scanning my routers with invalid login attempts.
%SSH-3-DH_RANGE_FAIL: Client DH key range mismatch with maximum configured DH key on server
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Jan 18, 2011
I need to provide a router to connect Internet circuit and run IPsec to MPLS network. Circuit is 10Mbps.
What is the max a Cisco 881 can handle if running IPsec?Also, if you are aware of any branch router (1941) which allows connection to future 4G LTE .
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Jun 12, 2012
We are looking at providing an ISR 819 for one of our customers using FTTC & 3G for failover .. However, I cant seem to find any recommended throughput guidence for the device? We could be looking at up to 80Mbps via the ethernet interface and I just dont know if the device will cope?
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Aug 31, 2011
I have a asa5580 with multiple interfaces. To replicate me databases to another site, I mainly use two interfaces on that firewall. Those interfaces have a steady pace, around 95%.
I am wondering when I should consider that the thoughput between those two interfaces is too much? Is there a good document that could explain me clearly why?
Also I want to be sure that I won't affect the normal traffic between the other interfaces. Is there a way to garantee certain traffic over others on an ASA? I don't have any router in me setup layer 3 role is perform by asa firewalls (static routes).
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May 24, 2013
When WAN traffic meter is enable on RV180 router maximum throughput drops to 40Mbps from ~120Mbps.Enabling WAN traffic meter is needed to get SNMP data from WAN port.
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Oct 15, 2012
what the maximum Data Througput can be for this router. Right now, the router is limiting my internet speed compared to what the cable modem can provide..So far, I know that when I connect my computer directly to the output of the Motorola Cable Modem and run a Speed Test on my Charter cable connection, the test shows ~ 50 Mbps for downloads and ~5 Mbps for uploads. That would be great, but I have multiple computers and need to use a router/gateway to feed my LAN. When I insert the RVS4000 router between modem and computer, the Speed Test results drop to ~ 16 Mbps for downloads and remain ~ 5 Mbps for uploads. During that test, there were no other computers online via the router. While 16 Mbps is not shabby, I would like to achieve the full value... is that possible?
Is the RVS4000 unit capable of 50 Mbps for 30 Mbps? How do I setup the router to achieve the maximum available download speed?There is a setup page for the router which has settings right now set at 50000 Kbps Upload and 60000 Kbps for Download; this implies to me that the router is capable of such speeds.
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Aug 11, 2011
I cannot find this info on the cisco site.
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Oct 8, 2012
Does anybody know the Maximum Throuput of a Csico 4948 using its Layer 3 capability? Is it 72mpps for Cisco 4948 and 102 mpps for Cisco 4948 10 Gigabitethernet?
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Mar 21, 2012
We are experiencing output drops on our 3750G-12S (IOS 12.2.55).
I have monitored throughput with MRTG, but it doesn't seem that high compared to that the 3750G is supposed to handle 17.8 Mpps.
The 3750G's are stacked, running ospf, qos, multicast (IPTV) and etherchannel.Is the maximum throughput reduced by stacking or any of the other features?
I don't know if one can estimate what the maximum throughput is per ASIC or per port, but on one of the ASICs that is having drops the peak unicast load is 1.3 Mpps and multicast Mpps is 0.9 Mpps. Total ~2.2 Mpps.
This doesn't seem high at all and I don't understand why the drops are appearing. What I can do to find out the reason for these drops?
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Dec 11, 2011
I a using a Ciscoet 2800 Series router with a Call Manager 5.0.1. When I make a call I g this error:
*Dec 12 20:30:38.575 Potential Mute Call:
*Dec 12 20:30:38.575 Call ID1=3 Call ID2=4 ConfID=2
*Dec 12 20:30:38 575 Leg1: CallID=3; TX Packets 398; RX Packets 400;
*Dec 12 20:30:38 565 Leg 2: CallID=4 TX Packets 398; RX Packets 400;
I can be heard but do not here anything. No ringback at all.
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May 9, 2011
I recently upgraded to the 107Mbps service from sudden link. The tech tested my signal coming into the house and it proved to be very strong. I then hooked up the Motorola Surboard Docsis 3.0 modem via hardline to my iMAC and my brother's PC running 7. He and I both did the speed test and we are only getting 50-75 Mbps. The tech claimed we needed to wait and the speed would build up, but its been 24 hours and still around the 50-75 range. We also got higher rated cables to ensure that there was no loss. I made sure the settings in the modem was set to send out 107Mbps and the Tech agreed that the modem was capable of delivering the speed. Both my brother's PC and my iMac are within 3 to 4 months old. The modem is also about 6 months old. why the speed is not clocking at or near 100Mbps.
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Feb 16, 2011
Nature of the vulnerability that FW 1.31 is said to correct?
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Jan 11, 2012
How to block Potential Denial of Service in cisco 3750 switches.
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Oct 16, 2011
I have a Cisco 3560 running as a Level3 device in my network running 10 V LANs and routing between most of them (nothing complex with ACLs) and running spanning-tree mode pvst. The main network is run on a net gear GS748TPS stack of three switches running MSTP.
I have just bought an additional 3560 and a 2960 to plug in. I have set them up with IP addresses and then plugged them into the net gear. This brought the whole network down until I unplugged the new switches.
I have confirmed the IP addresses aren't duplicated and that DHCP is not running on the switches so I can only assume it's something to do with DHCP. I cannot afford for the network to go offline again, so is there anything I should check? Am I running incompatible spanning tree methods between the net gear and Cisco devices?
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Sep 28, 2011
Does following configuration is responding to the request of my client asking for 20 T1/E1 connections on a Secure ISR 3945E, by combining on the same router One (01) NM-8CE1T1-PRI card and Three (03) HWIC-4T1/E1 cards.
Here are the router configuration:
CISCO3945E-SEC/K9 Cisco 3945E Security Bundle w/SEC license PAK
MEM-3900-1GU2GB 1GB to 2GB DRAM Upgrade (1GB+1GB) for Cisco 3925/3945 ISR
MEM-CF-256U1GB 256MB to 1GB Compact Flash Upgrade for Cisco 1900,2900,3900
NM-8CE1T1-PRI 8 port channelized T1/E1 and PRI network module
HWIC-4T1/E1 4 port clear channel T1/E1 HWIC
SM-NM-ADPTR Network Module Adapter for SM Slot on Cisco 2900, 3900 ISR
PWR-3900-AC/2 Cisco 3925/3945 AC Power Supply (Secondary PS)
CAB-ACE AC Power Cord (Europe), C13, CEE 7, 1.5M
S39EUK9-15104M Cisco 3925-3945 SPE IOS UNIVERSAL
PWR-3900-AC Cisco 3925/3945 AC Power Supply
3900-FANASSY Cisco 3925/3945 Fan Assembly (Bezel included)
C3900-SPE250/K9 Cisco Services Performance Engine 250 for Cisco 3945 ISR
ISR-CCP-EXP Cisco Config Pro Express on Router Flash
SL-39-IPB-K9 IP Base License for Cisco 3925/3945
SL-39-SEC-K9 Security License for Cisco 3900 Series
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Dec 13, 2012
I have a NAT setup. Some of my udp packets are dropping. How to find more about the NAT to find whether it missed anything or not. the router is 3945e. [code]
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Mar 31, 2013
Can Cisco 3945E support VRF-Lite ?
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Oct 23, 2012
the feature difference between Cisco 7204vxr vs 3945E.
Wanted to know the limitation in 3945E compared to 7204VXR
Features39457204VXR with G2MemoryPacket processingBandwidth support
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Dec 16, 2011
I have inherited a 3945E router with an NM-8CE1T1-PRI card installed in slot 2 using the SM-NM adapter card. The command 'card type E1 2' has been issued but I only see interfaces Serial2/0:0 to Serial2/0:30.
Since it as 8 port card I was also expecting there to be
Serial2/1:0 to Serial2/1:30
Serial2/2:0 to Serial2/2:30
etc etc.......
Serial2/7:0 to Serial2/7:30
The router will not allow me to issue a sub slot number with the card type command.
Am I missing something in the configuration or is there an issue with this card and router combination? The show inventory has the following:
NAME: "Network Module Adapter for SM Slot on Slot 2", DESCR: "Network Module Adapter for SM Slot"
PID: SM-NM-ADPTR , VID: V01, SN: FOCxxxxxxxx
NAME: "8 port channelized and PRI T1/E1 NM on Slot 2", DESCR: "8 port channelized and PRI T1/E1 NM"
PID: NM-8CE1T1-PRI , VID: V01 , SN: FOCxxxxxxxx
It doesn't give any errors when booting up and the router is running c3900e-universalk9-mz.SPA.152-1.T.bin IOS.
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May 29, 2013
I was looking for Rack Unit required for 7206 VXR & 3945E but couldn't find it.
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Jan 20, 2013
I have an issue understanding the difference between 3945 and 3945E from VPN support perspective.
If you check this link here:
[URL]
You will see that the 3945E doesn't even have an ISM slot for a VPN ISM module and of course I could not find any ISM module for 3945E (I think this is obvious). Nevertheless, the above mentioned page and
[URL]
say "Embedded hardware-accelerated VPN encryption for secure connectivity" for 3945E
That the Cisco 3945E supports the same VPN features (including packet encryption / decryption in hardware) like a Cisco 3945 with VPN ISM card?
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Nov 15, 2011
I'm looking to use a Cisco 3945E to terminate a 1Gbps Ethernet internet connection and I want to know the realistic throughput that I can expect. The router will only be configured with BGP with partial routes. No firewall or QoS will be configured.
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May 30, 2013
I'm trying to migrate the running-config from our old 3725 router to our new 3945e router. Almost all of the config is copied over except for a few lines that come up as unrecongnized commands. So it looks like these commands were either removed or changed to something new.
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Dec 1, 2011
I have a question concerning about how many ospf and bgp route entries does 3945E isr g2 router support?
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Sep 11, 2011
I am wondering if IOS bundled by default with CISCO3945E-SEC/K9 and CISCO2911-SEC/K9 contains adv. ip services features (like Eigrp, OSPF etc.).
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Jun 24, 2012
I am using 3945E Router as Easy VPN Server, with 15.1 IOS. On router I have bunch on usernames for VPN authentication, I want to restrict Router management access for them(ssh,telnet, http and so on).
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Jul 15, 2012
I'm trying wrap my head around bandwidth guarantee for nested maps. I tried adding a new class to two of my policy-maps today, and got this error: 3945E-1(config-pmap-c)#bandwidth 3000 Insufficient bandwidth 3000 kbps for the bandwidth guarantee
I'm not sure how it knows that with the nested maps and how it's computed. I have a 100mb WAN connectin going to 19 branches. I have a class-map that identifies traffic to the individual branch and within that class, a policy-map is applied to prioritize voice over video etc.
Here's the QoS setup:
class-map Branch1-Policy
match access-group branch-1-acl
*
*
[code]....
I was adding the Video-Conf class to both Traffic-6calls and Traffic-10calls when I got the above error. How would that percentage be calculated? I know by default i can only reserve up to 75% of interface bandwidth. The platform is 3945E running 15.1(3)
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Feb 12, 2012
i want to create a trunk between 4507 & 3945E router & route two vlans from router 3945E
4507# vlan 99 & 51
# int vlan 99
# ip add 10.22.100.1/24
#int vlan 51
# ip add 10.22.103.1/24
[code].....
4507 version : IOS-XE Software, Catalyst 4500 L3 Switch Software (cat4500e-UNIVERSAL-M), Version 03.02.00.SG RELEASE SOFTWARE (fc4)
3945E: 15.1(2)T4 what I am missing?
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Apr 11, 2013
I was looking for document where the VPN throughput of the Cisco886/887 Router is listet.
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Apr 23, 2013
We have a 1841 setup with WAN and LAN subinterfaced(2 WAN connections, 1 internal VLANs) and I am recieving some pretty horrible throughput when traversing the router to the WAN.
I am receiving about 2 MBPS down but around 5 up.Currently there is a ACL on the WAN interface, and as well we are running NAT NVI. It is possible that this might have something to do with it, but I am not sure.
Most of the CPU is going to IP input however I cannot seem to determine the cause. One thing I am thinking is the overload for NVI is using a route-map. Could that cause it to process switch instead of fast/CEF switch?
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Mar 17, 2013
My first wireless router, which I still have and works perfectly, was a DIR-601, A1, fw v1.00na. It has always been reliable and worked great, save for being a little weak on the signal range. Back when I got it I knew little about networking period, let alone wireless routers- so I never tweaked anything on it. Now it's almost 4 years later. Being a little more knowledgable, and my family creating A LOT more traffic on my network, I decided some upgrades were in order. First I called COX to upgrade my speed too, which led me to having to purchase a new Motorolla SB6121 modem- and everything was great. However, aside from the same old dead spots in my house, I was starting to realize the limitations of my 601 with regards to handling the traffic load. Since I never had an issue with my 601, I decided to stay loyal to D-Link. After, albeit, a small amount of research... I decided on the 655. It fit the budget, and I read some decent reviews on it regarding gaming. Plus, from what I've read, I didn't really see any benifit to justify a dual band router for what I do. Anyway, my new 655, B1, fw v2.05NA has solved all of my wireless issues and handles our traffic perfectly, except for one slight problem- my wired PS3. I have Cox ultimate, which here in Nevada is up to 150Mbps, and wired my laptop is getting 107Mbps download- pretty consistently with the 655, and around 100 with the 601. My PS3 on the other hand, went from 27 to 32Mbps wired with my 601, to only getting 8 to 15Mbps wired to the 655- and a lot of lag on certain online games. It seems that out of all of our devices, my PS3 is the only one that doesn't like the 655. I really hesitate to DMZ my PS because of the risks, but at this point I'm almost desperate enough to try anything. I hooked the 601 back up for now for the PS3 performance...but we are REALLY missing the wireless and traffic handling performance of the 655!!
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Jan 25, 2013
When a physical switchport/routed port has high usage, you can move the link to a higher capacity port, upgrade the port, bond links, etc. What exactly do you do when an SVI has high usage? I guess you could remove some servers from the VLAN, but that doesn't seem like a reasonable solution. What dictates the capacity of an SVI? The backplane of the switch?
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