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 10.65.1.0   mask 255.255.255.0- all office devies and computers.
Second network 10.65.2.0  mask 255.255.255.0 - 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?

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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 172.16.1.2timeout 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 0.0.0.0 0.0.0.0 192.168.1.2 track 10ip route 0.0.0.0 0.0.0.0 172.16.1.2 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 ? 

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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?
 
[URL]
 
I don't have physical access so I can't reboot it until Monday.  Just wanted to get it working today. 

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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

[Code]......

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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.

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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
VLAN1
VLAN2
 
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.

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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.

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Cisco WAN :: Enable GUI For Configuration Of 1921 Router?

Dec 15, 2011

I have a Cisco 1921 in place with the security IOS so it is also acting as a firewall.
 
I am wondering if I can enable the GUI so I can configure it remotely.

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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.

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Cisco WAN :: Setting Up Correct NAT Configuration Of 1921 Router?

May 20, 2012

i'm having some trouble setting up the correct NAT configuration of a Cisco 1921 router. The NAT is not working as I want - I think my configuration is wrong somewhere. All clients in 172.16.0.0/24 have the correct outgoing address of 1.1.1.3. But the NAT for 10.10.0.4 (and 10.10.0.5, 10.10.0.6) is partially broken: Ping and ssh from the outside world to 1.1.1.4 is "natted" to 10.10.0.4 and works as expected. But from inside (172.16.0.0/24) ssh to 1.1.1.4 should be "natted" to 10.10.0.4, but doesn't work (ping works). ssh from 172.16.0.0/24 to 10.10.0.4 (without doing NAT) works. 
 
network design:
===============
172.16.0.0/16: network for normal use
192.168.64.0/24: network for specific clients and servers

[Code].....

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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]

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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.

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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 ?

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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]

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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.

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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 ?

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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.

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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. 

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Cisco Switching/Routing :: 1921 To Replace A Software Firewall

Feb 26, 2013

We purchased a cisco 1921 router to replace a software firwall not long ago. The router was sold as a firewall with the suggestion that an ASA would be unnecessary.Unfortunately a router does not replace/do the jobs a firewall does, so I looked online and noticed that Cisco do offer firweall security features in one of their IOS.How do I tell if this is implemented on my router?If not, does my IOS support this, or do I need to buy an extension/another version of the IOS?,The version of the IOS I have is: c1900-universalk9-mz.SPA.151-4.M4.bin.

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Cisco Switching/Routing :: 1921 LAN Adapter Unable To Reach Outside

Apr 2, 2012

The Cisco 1921 router has two routed adapters. One is GE0/0 which I am using for my WAN interface. It is working properly. The 2nd interface is GE0/1 which is being used as my internal adapter. It is running NAT. When I attempt to reach the internet it fails while checking the exit interface. Here is the report.
 
AttributeValueRouter ModelCISCO1921/K9Image Namec1900-universalk9-mz.SPA.151-3.T.binIOS Version15.1(3)THostnameBulldog 
Interface Details   
AttributeValueInterfaceGigabitEthernet0/1IP address192.168.1.1DescriptionNOC Link Test Activity Summary

[Code].....

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Cisco Switching/Routing :: Decipher Differences Between Two Models Of 1921?

Mar 7, 2013

I am trying to decipher the differences between the two models of the 1921 router. One has an IP Base IOS and the other has a Security IOS. I have an ASA so I don't think I need all the Security IOS bells and whistles on an internal router. Although, does the IP Base IOS allow for trunking and sub interfaces? I definitely need that and on CDW's website it says that the 1921-Sec/K9 w/ Security IOS includes 802.1Q and that spec is not listed on the 1921/K9 IP Base IOS model.

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Cisco Switching/Routing :: 1921 - Dynamic Port Forwarding With PAT

Feb 29, 2012

How can I implement this with Zone-based Firewall on my 1921?
 
I'm looking for something as simple as the port triggering function on a Linksys or Netgear router.

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Cisco Switching/Routing :: 1921 Limiting Upload To 1.5mbit?

Nov 28, 2012

We recently got a 1921 for our main office and we have a dedicated 15/15 connection. We're running on an 1871 right now that is not under my control so I can't even see it's running config. OK! So when I set my gateway to be the 1871, we can get our upload to over 6mbit (we have 8 branches, so won't ever get full 15 since they're using it too). With the gateway set as the 1921, it seems like we're stuck at 1.5. I haven't seen it go higher than that. I've looked over the config but can't see anything that would imply some kind of bandwidth limit but I have copied the config here.
 
Building configuration... 
 
Current configuration : 6688 bytes
!
! Last configuration change at 10:59:47 PCTime Thu Nov 29 2012 by admin
! NVRAM config last updated at 10:04:31 PCTime Thu Nov 29 2012 by admin
! NVRAM config last updated at 10:04:31 PCTime Thu Nov 29 2012 by admin
version 15.1

[code]....

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Cisco Switching/Routing :: 1921 Default Password Invalid

Apr 17, 2013

I bought a cisco router last week. The reseller said it is a brand new one. However, when I try to set it with console cable connecting to PC, the default password does not work. I tried to use control+break to get access to rommon for password recovery. The tera term pro displayed nothing at all! In thin case, what should I do to setup the router? Dose the reset button in the back work to restore the router to factory setting(which means i can use default username and password)?

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Cisco Switching/Routing :: 1921 / HSRP - Cannot Ping Any Of VLANS

Jul 13, 2012

I have configured HSRP with InterVlan routing. All communication is flowing properly between the vlan's on Router A but when I test failover to Router B I cant ping ANYWHERE. I cannot ping any of the VLANS.

Also, From the primary router I cannot ping any of the interfaces on the secondary router.

I have 2 Cisco 1921 Routers configured for HSRP. Both the G0/1 ports plug into a Cisco 2960S 48 port POE switch (STACKED) (port 1 and port 2 which are trunked and allowing all vlans to pass through. And both of the G0/0 ports are plugged into a Cisco ASA5510.

I have attached a diagram of the setup and the interface configs of the routers.

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Cisco Switching/Routing :: No Power Inline Commands On 1921?

Jan 27, 2013

I am running a 15.1 or so version of the IOS on a 1921 router. I have plugged in the external PoE injector into the router, and the PoE light on the front of the case is lit green. I have no options in the IOS to enable power on the EHWIC ports. I have most licenses enabled, including data and security.

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Cisco Switching/Routing :: Trunking With HWIC-4ESW On 1921?

Feb 27, 2012

We have been facing a problem at my company ! We have a Cisco Router 1921 with one HWIC-4ESW in trunking with a RuggedCom switch RSG2100.When I use the GigabitEthernet port to make a trunk, I create 2 sub-interfaces (one for each Vlan) and configure the Port on Switch as Trunk, the inter-VLan routing works with no problem.But now I need to use this configuration using the HWIC-4ESW on Router, and I can't do this work. I try creat interface Vlan for each vlan, and try creating the VLans at Router Vlans database, but no way. At router I enter in interface and try to do the switchport trunk command to add a Vlan, but doesn't work.

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Cisco Switching/Routing :: 1921 Cannot Access Internal Web Server

Oct 31, 2011

i cant resolve one problem in may 1921 isr router, i have a web server in my internal lan , i set up static nat for accessing that web server from outside and it woks fine but i cannot view that site from internal workstations can you suggest me what to do. as i know when request gets to router it performs static nat and sends packet to the web server, but the server responds with its private source  address instead the public address  witch workstation expects and connection cannot established.

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Cisco Switching/Routing :: 1921-SEC/K9 - HWIC-4ESW Compatibility

Jan 9, 2012

Does Cisco 1921-SEC/K9 support HWIC-4ESW ? I require 4 x 10/100 Ethernet ports
 
If yes how many ? are there any drawbacks if i use this module instead of a switch?

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Cisco Switching/Routing :: 1921 - Multiple VLAN Supported?

Feb 6, 2013

I have a Cisco 1921 Router, a Cisco Catalyst 2960 and a Cisco Catalyst 2970 and I want the router to be able to assign ip-addresses by what VLAN a device is active on.
 
VLAN1: 10.0.0.0/24

VLAN2: 10.0.1.0/24
 
The router is connected to the Catalyst 2960 and there on to the Catalyst 2970 so the VLAN1 and VLAN2 is active on the to switches and the Router.is it possible?

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Cisco Switching/Routing :: Firewall On 1921 K9 Blocking UDP Traffic?

Apr 18, 2012

I have a 1921 K9 with a 4 port 10/100/1000 EHWIC switch.

Interface 0/1 = 192.168.1.0
EHWIC = 192.168.5.0
 
I have Active Directory setup on the 192.168.1.0 network. When I attempt to join the domain from 192.168.5.0 it joins but I get errors. After some troubleshooting using portqry I have found that the services related to class map DomainTrafficUDP are being reported by portqry as being filtered regardless of policy map settings (currently set to allow).
  
Building configuration... 
 
Current configuration : 18833 bytes
!
! Last configuration change at 11:20:25 NewYork Thu Apr 19 2012 by dave
! NVRAM config last updated at 13:56:45 NewYork Wed Apr 18 2012 by dave
!

[Code].....

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Cisco Switching/Routing :: 1921 - Deny Specific Port From / To IP

Oct 7, 2012

I have a network with 3 segments and a 2921 router.v172.16.5.0/24, 172.16.0.0/27 and 172.16.2.0/23             .
 
I want to block all 135 TCP traffic from/to IP 172.16.5.5 to any host in other segment, but only TCP port 135 and only to the specified IP.

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Cisco Switching/Routing :: 1921 Load Balancing Over 3 ADSL Lines

Aug 22, 2012

I have the requirement to provide a Cisco Router with 3 x ADSL lines (768k) to increase the internet speed.PPP multilink is not supported from the ISP.
 
Is it possbile to distribute the traffic between this three ADSL lines?How can I configure this?
 
I have the following hardware configuration:
 
1 x  CISCO1921-SEC/K9
2 x  EHWIC-VA-DSL-B
 
The third ADSL line is connected over an ADSL modem at one fixed Router Gigabit interface.

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