Cisco Switching/Routing :: 1921 - Router Recommendation Based On WAN Throughput

May 21, 2013

I'm trying to identify a Cisco router that will give 300+Mbps through a 1Gb WAN port.  I think the 1921 can get up to around 300Mbps with the on board RJ45 ports, but are there any other/better suitable models?
There's no need for any other particular functionality or feature set, the routers aren't doing anything fancy or unusual - it's the achieved throughput that's important.

View 4 Replies


Cisco WAN :: 1921 Router - Bond Two T1 Lines For Increased Throughput

Sep 10, 2012

Is it possible to bond two T1 lines for increased throughput and for possible failover situations? I currently have the second T1 as just a fail over.

View 3 Replies View Related

Cisco Switching/Routing :: IP SLA Support On 1921/K9 Or 1921-SEC/K9?

Oct 5, 2012

We want to puchase new Cisco ISR 1921/K9 .   i want to know does it support the following sample IP-SLA commands
ip sla 2icmp-echo 500frequency 1ip sla schedule 2 life forever start-time now
track 10 rtr 1 reachability
delay down 1 up 1
track 20 rtr 2 reachability
delay down 1 up 1 
ip route track 10ip route track 20
Im asking above question because we will need to enable ip-sla  on  the mentioned router.   as i read on the cisco webside, it says Cisco-ISR-1921/K9-IP Base  support only  IP-SLA RESPONDER  feature nothing else. If  Cisco-921/K9  does not support the above commands , should i go for ordering Cisco-1921-SEC/K9 ? 

View 4 Replies View Related

Cisco Switching/Routing :: 1905 What Is Throughput Of A Router

May 24, 2013

I have found recently that Cisco 1905 router is having a throughput of only 10 Mb. But the router is having 2 Gig ports!.My understanding is that throughput is the data packetforwarding done by a router at a time.
What is actually mean by throughput of a router. How the router can handle 1 Gb of data from interfaces at a time?

View 2 Replies View Related

Cisco Switching/Routing :: 1921 Router LAN Configuration

Mar 27, 2012

I have recently configured a cisco 1921 router for internal routing on my network.  Here is what i am trying to accomplish:
Main network   mask all office devies and computers.
Second network  mask - All plant equipment machinery and production lines
i have configure gig 0/0 for my company network and gig 0/1 for my plant network.  I can ping the router from both networks but am unable to route traffic betwenn them.  what am i missing?

View 8 Replies View Related

Cisco Switching/Routing :: 1921 - Can't Login To Brand New Router

Nov 29, 2012

I have a brand new 1921 router that I can't login to using cisco/cisco.  Is there a new password?
I don't have physical access so I can't reboot it until Monday.  Just wanted to get it working today. 

View 8 Replies View Related

Cisco Switching/Routing :: Not Detecting HWIC-2T In 1921 Router?

Oct 15, 2012

I Have installed HWIC-2T card in my cisco 1921 router but it is not able to detected in router. find the ver of router
Cisco IOS Software, C1900 Software (C1900-UNIVERSALK9-M), Version 15.1(4)M4, RELEASE SOFTWARE (fc1)
Technical Support: [URL] Copyright (c) 1986-2012 by Cisco Systems, Inc.Compiled Tue 20-Mar-12


View 8 Replies View Related

Cisco Switching/Routing :: 1921 - How To Chose Core Router

Jan 26, 2012

How do I chose a router? Network has about 100+ devices across a campus with remote sites connected thru metro-e.Thinking of a 1921 to use as core router.

View 4 Replies View Related

Cisco Switching/Routing :: 1921 Router - Bandwidth Limitation

Oct 20, 2011

I have the following setup:
Cisco 1921 is my core router and connected to it is a 30 Mbit fiberline
Now, the thing is that i want VLAN2 to have a 5 Mbit bandwidth limit to Internet but full speed to VLAN1.
I have played around with Rate limit without success.
I also have access to cisco switches that can limit the bandwidth.

View 23 Replies View Related

Cisco Switching/Routing :: 1921 Router To Ping The Local Devices Connected To Network

Feb 7, 2013

I wounder if there is any way to ping the local deviceses connected to a network hosted by a Cisco 1921 router? I wan't to be able to ping the device(computer name) but currently cant do that.

View 1 Replies View Related

Cisco Switching/Routing :: 881 - Zone Based Firewall (Can't Access Router With CCP)

Mar 3, 2013

I'm having an issue accessing a clients router on the WAN interface with Cisco config pro. I can get CLI access with SSH without any issue.  I have port 22 and 443 allowed as management access from my public IP - SSH working fine but config pro being refused connection, Possibly a certificate issue?

View 1 Replies View Related

Cisco Switching/Routing :: 2811 High CPU And Low Throughput

Aug 10, 2011

I am facing a problem on a 2811 router. The CPU is remaining around 60% and the router throughput is reaching at most 18 MB while according to the data sheet the 2811 maximum throughput is 61MB. I have checked the output interpreter in order to try and figure out the cause of the high CPU and to determine if it is affecting throughput but there are not processes consuming more than 10%. I have attached the show tech-support and the show process cpu history outputs.

View 11 Replies View Related

Cisco Switching/Routing :: Throughput Of Etherchannel On 3560G

Nov 27, 2012

We have a problem with the throughput over etherchannel in LACP with 2 or 4 ports. It is iSCSI traffic (vmware esxi 4.1 U3) is going from 2 separate NICs (ports) to the etherchannel (with 2 or 4 ports) that has a SAN connected (Nexenta).

The SAN is configured in passive LACP and the switch is in active LACP.  Actually it does not matter if we do LACP or just MODE ON, still same result: ~1GBit/s throughtput in either direction.  Like already mentioned, 2 or 4 ports in the etherchannel make no difference, or the configuration of the etherchannel.

I will post some config data below, but here is the question: Why can't we see traffic beyond 1GBit/s?  Source and destination are capable of doing much more than that (vmware esxi RAID 5 of 1TB SATA; SAN 16 x 1TB NL-SAS). If we look with CNA, we can see that the traffic is balanced equally over the etherchannel ports. With or without QOS or flowcontrol, no difference. This whole traffic happenes on this switch. 
port-channel load-balance src-dst-ip
interface Port-channel5


View 13 Replies View Related

Cisco Switching/Routing :: 1921 Routing Access From Mixed IP Ranges Between VLANS

Jan 23, 2013

I have the following config using a Cisco 1921.  I am trying to get devices on the the native VLAN to get internet access via the gateway x.x.x.73.Any thing being routed from the other Vlans 15/20/30 can get access, but nothing from an internal IP address.  Is there something I am missing.
The Xs replace the same 3 octets for each interface.I am trying to route from VLANs 15/20/30 to see VLAN 5.  I have tried a few things, in terms of adding extra ip routes, but can't get anything to work.  Each of those Vlans have another router on the other side of them, which I have also tried adding ip routes too, but nothing.  One of the routers (Vlan15 is a Draytek 2830). [code]

View 5 Replies View Related

Cisco Switching/Routing :: Slow Throughput Between 3750 Etherchannel

Apr 23, 2013

We've installed cisco devices accross our site in the last year or so and slowing getting on top of it now. How ever our old unmanaged kit seems to be out performing it. It's most like down to my misconfiguration which has lead me to here. Below is the details of hardware and configuration between devices. 3750 Core consisting of the following stacked. [code] I've got MRTG monitoring traffic and the throughput seems to max out 24m/s,

View 15 Replies View Related

Cisco Switching/Routing :: 5020 - Slow Throughput Between Two VLANs

Feb 14, 2012

When transferring traffic between two VLANs my throughput rate seems to drop to about 1.5 - 3.0 megabits / second.
My setup is like this...
Two Nexus 5020 switches. (switch01 and switch02)
Two Nexus 2232PP fabric extender switches. (switch03 and switch04)
Two Dell R815s with Chelsio and Intel NICs. (host1 and host2)
The servers run Xenserver 6.0, but as part of testing with this I've tried installing RedHat 6.2, VMware ESX 5.0 (vsphere 5).
The issue occurs when using trunking and transferring data from one VLAN to another. Example...
VM1 is in VLAN401 with an IP address of The VM is on Host1. VM2 is in VLAN402 with an IP address of The VM is on Host2.
I've been using a network throughput tool called iPerf to test and I find that I can only get a throughput rate of about 3.0megabits.
If I switch VM2 to be in VLAN401 with an IP address of I get a throughput rate of about 6.7gigabits/sec.
In the above scenario, I'm using a Layer3 interface on the Nexus 5020, but in production we use a Vyatta virtual firewall.
I worked with Citrix for about 3 months and that was a dead end.

View 1 Replies View Related

Cisco Switching/Routing :: SGE2010 - Slow Gigabit Throughput?

May 4, 2010

I realize this is just a small business switch, basically a rebranded Linksys, but why I'm only getting 200Mbits/s
- 48 port - 10/100/1000 , set to standalone mode

- 3 separate PCs on this switch , all are fast machines with Core 2 duo / plenty of RAM etc...

- all 3 auto-sense 1Gbps connection
I use iperf tool for bandwidth testing and no matter which PC I pick as server, which as client I get about 150 to 250Mbits/s
I am not looking for full 1000 here, but 200 seems rather sad....
- jumbo frames seem to make no difference

- I am using TCP test in iperf , standard no extra flags , 10 seconds, 20 seconds or even 30 seconds all come out the same.

- wiring is shady as some of it is just Cat5 , but when going from one laptop on the switch to another with brand new Cat6 cables I STILL only got 200.

View 2 Replies View Related

Cisco Switching/Routing :: 2950 - IPERF Throughput Comparison

Mar 2, 2012

I am currently using catalyst 4506 L3 switch and 2950 L2 switches for pc's which are EOL. I am replacing L3 with 3750X, two switches in a stack. L2 is 2960S all with gbps ports. I have to have a baseline (performance comparison with the current setup and new setup) and I am using the following methods
1. Iperf throughput comparison among local vlans
2. Iperf throughput comparison with remote data centers servers.
3. Ping/ftp upload/download comparison with remote DC's. FTP file is around 3GB.
Today I have tested the above with the new setup and compared it with the old setup. For the tasks 1 & 3 I found better performance with the new setup. However the task 2 did not show any performance increase infact the throughput was much lower comparing to the old setup.

View 3 Replies View Related

Cisco Switching/Routing :: Throughput 3560 Versus 2951

Oct 29, 2012

I see the throughput of a ISR is 296.96 Mbps how would this compare to a 3560 if the figure is 38.7Mpps?
What would the throughput of a 3560 be in Mbps?

View 1 Replies View Related

Cisco Switching/Routing :: Maximum Throughput Of 4948 Using Its Layer 3 Capability

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?

View 2 Replies View Related

Cisco Switching/Routing :: 2911 ISRG2 Can Supports Throughput Of 150Mbp

Feb 13, 2012

I like to know what is throughput of the Cisco 2911, cisco 2921 & cisco 2951 routers. I can see ISRG2 can supports the throughput of 150Mbps.

View 1 Replies View Related

Cisco Switching/Routing :: ASA 5520 - NAT Capable Device With High Throughput

Jan 26, 2012

I'll have to replace an old WS-C3550-24. Reasons for this: EOL/EOS & we'll need a NAT capable device...
As I understood, the only L3 catalyst that is able to perform NAT is a 6500? Is that correct? If the above is correct, it seems I can only replace the setup by using a router/ASA with a L2 switch. A router with high throughput (+/- 300Mbps) is hard to find, especially as NAT will require CPU resources...
So, my best (affordable price) solution is getting an ASA5520 (450Mbps FW throughput) and a L2 switch?

View 1 Replies View Related

Cisco Switching/Routing :: C1811 - Isr Max Throughput When Not Running Ipsec Site Vpn?

Dec 12, 2012

What is the c1811 isr max throughput when not running ipsec site vpn. 

View 1 Replies View Related

Cisco Switching/Routing :: 1921 VLAN Routing

Aug 1, 2012

I will be installing two Cisco 1921 Routers to connnect a T1 between two offices.  We are changing out our current AdTran routers as we would like to bridge three VLAN's across the T1 link.  I followed the instructions at (URL) shtml to the best of my ability and my two Gigabit Ethernet ports are tied into a bridged virtual interface (BVI1).  I then assigned a IP to BVI1 and another to my Serial0/0/0 then made a route to get to the other side of the T1 and a defualt route out our proxy. What I want to do now is setup QoS to make sure my voice data gets priority. 

I setup a QoS ACL called "Voice" with the TCP and UDP source and destination ports that our phone system uses.  I then setup a QoS policy on the Serial0/0/0 outgoing interface called "VoiceTraffic" and under the "match" list I match DSCP 46 or my "Voice" access rule.  For the action I turned on "Queuing" and set it up for LLQ at 50%.  Does this sound about right?  Is there anything els eI can setup?  I tried ot setup something else on the ethernet side but because they have the BVI I can't.  I read some article sin this forum that said I could still apply QoS to the GigabitEthernet ports even if they are in the bridge group but it doens't let me do that.

View 10 Replies View Related

Cisco Switching/Routing :: 1921 How To Set Password

Jan 24, 2013

How do I set a password? new Cisco 2911 router, C1900 Software (C1900-UNIVERSALK9-M), Version 15.1(4)M4 ?

View 6 Replies View Related

Cisco Switching/Routing :: 1921 Can't Go Any Further To Internet

Apr 30, 2012

I am setting up a new 1921 for a public library and I am running  into a problem and I bet I am missing something simple. All the internal stuff works and I can ping the outside IP on the 1921 but can't go any further to the internet. The 1921 has the 2 gig ethernet ports, 0/0 is connected to a DSL getting DHCP settings fine from the DSL modem. The other gig ethernet port 0/1 is running the inside network and its function fine, I have a server on it and other clients and they can ping and get dhcp settings etc.I've pasted the config output below and IP addresses of the main actors. [code]

View 1 Replies View Related

Cisco Switching/Routing :: Upgrade IOS From 1921 ISR?

Dec 18, 2012

How I can upgrade the iOS from CISCO 1921 ISR? Without losing my configurations.

View 3 Replies View Related

Cisco Switching/Routing :: ISR 1921 - IP SLA Tracking

Oct 5, 2012

I have already ordered a Cisco ISR 1921/K9.    but as i read on Cisco website, it is written that Cisco 1921/K9 only support  (IP SLA Responder) feature.
I don't know actually what is sla- responder.  but our requirement is we will connect that Router 1921/K9  into 2-ISP links and i want to enable  IP- SLA probes on that router so that it can track  both the routes into those isp links. so my question is  does  CISCO 1921/K9  have the support for what i need ?How about  Cisco 1921-SEC/K9 ?

View 1 Replies View Related

Cisco Switching/Routing :: 3750G - Maximum Throughput Reduced By Stacking Or Any Of Other Features

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?

View 5 Replies View Related

Cisco Switching/Routing :: 7609 For Switching / Based On LAN (VRRP / HSRP) Feature

Oct 18, 2011

I am facing an isssues with 7609 for LAN switching , based on  LAN (VRRP/HSRP) feature.Actually  we are having ES+ cards (on 7609) and we are using multiple groups(say  350 vrrp groups) running on the router . the routers are connected as router 1>>> mux(which is working as switches)>>> router2

my questing are

1.  does their will be "multicast packets" (for VRRP/HSRP group) "from backup  router to Master router", when in stable state( ie when Master and  backup are already chosen) , or the packet from backup to master should  be unicast.I know for sure, the packet from master to back is multicast packets denstination to Multicast IP packet and To MAC address.I am not sure but I think from backup to master it should be multicast
2. what is frequency of these packets( from backup to master)
3.  As i have multiper group on a single interface ( we are using q-in-q),  when the connectivity from router's is broken, then does all the groups  will muticast their active roll in the lan sengment "at once" or it will  be in a groups say 100 groups at once, and after few ms few 100's and  sone ( as is on OSPF or RIP)
we are in between troubleshooting I hope we get the ans( Actul problem we are seeing in the router's that we have 2 ports on active routers and 2 ports on standby router , but we are not seeing muticast on 1 port on standby router where as all other 3 ports are seeing multicast packets) [code]

View 5 Replies View Related

Cisco Switching/Routing :: L2 Bridge On 1921 Interface?

Nov 20, 2012

I need to set up a L2 llink between my LAN and this 1921 router. I though IRB would do it but its not working yet. Here is the topology- I dont want to see another hop on this 1921 rtr so I hope I can just trunk it or something with IRB. Not working.

View 6 Replies View Related

Cisco Switching/Routing :: Using 1921 With Watchguard Firebox?

Dec 6, 2012

Im having some major issues with my new setup.  I have a Cisco Router (1921ISR) that is connected to the internet through a t1. In addition to that is another cable modem.  Each of these are connected to my firebox through an external interface.My router is on the 10.1.10.X network.  My internal network is 192.168.1.X I have several NAT statements on my router pointing to 10.1.10.X addresses.  These addresses are defined on my firebox as seconday external addresses and I am SNAT'ing them to 192.168.1.X addresses on my local LAN.This is mostly working well for everything.  However, there is an FTP I am connecting to through the a VPN on the cisco that will not connect.  The source is a 192.168.1.X address. 

View 1 Replies View Related

Cisco Switching/Routing :: View Capacity Throughput (backplane) Of Core Switches (6509)?

May 30, 2012

How i can view the capacity throughput (backplane) of core switches (6509)? How i know much is in use?

View 2 Replies View Related

Copyrights 2005-15, All rights reserved