Cisco Switching/Routing :: 1900 Series Router Not Giving Out IP Addresses

Oct 15, 2012

I've got a problem with DHCP running on a cisco 1900 series router, 1921 to be precise. The Data VLAN works perfectly, i configured a ip helper address and its working. Problem tough is VLAN 20. This is the voice vlan. As u can see in the config below, this has been configured using VRRP and VRF for failover purposes. I did more of these configurations, and they all worked fine, just not with this particular router!
 
As u will notice i deleted all the not needed to know information or i X'ed it!
 
Jan-Aart
version 15.1
service timestamps debug datetime msec

[Code]......

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Cisco Switching/Routing :: 1900 Series Router Needs Reboot Every Time Connection Is Lost

Jan 1, 2013

i have a cisco 1900 series router from the isp and we connect it the our router the rv042 small biz, and we have here a cisco catalyst 2950 switch with just default configuration connected to the hosts.
 
my problem is from time to time that the connection is lost there is no connection with the router and the only solution is to turn off and on the cisco 1900 router and the connection will be back.
 
do we need to configure the routers and switches? what do you need to configure?

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Cisco Switching/Routing :: Password Recovery On 1900 Series ISR?

Jan 1, 2012

I can see the console on the router. (Using the USB console connected to a Macintosh.) I was configuring the router though this console connection, and I created a new user (priv level 15) and removed the default 'cisco' user. So I'm stuck at the username/password login prompt now.
 
I decided to do the password recovery procedure (via the cisco doc I found etc), but I cannot break into ROMMON during the boot process. I'm not sure if that's because my Mac isn't sending the break, or what.
 
The pw recovery doc says you can "remove flash" if you can't break into the boot sequence. However, I cannot find any instructions on how to remove the flash. I've opened the router, and I see one very small daughter card on the main board that I think is the flash, but I'm not about to start arbitrarly prying parts off.

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Cisco WAN :: 1900-3900 Series Router With 100FX Fiber Interface

Oct 30, 2011

Is there a router (1900-3900 series router) that will support a 100FX fiber connection. We use to use 2800-3800 and 2600-3700 series routers with FX fiber interface now these routers are no longer available and our need for 100Mbps FX is still a requirement.

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Cisco AAA/Identity/Nac :: 1900 Series ISR Router - Local User Management VPN

Oct 3, 2012

I'm a bit new to Cisco and i find this AAA a bit confusing..I've turend on AAA by:aaa new-model
 
Can I use this "default" list for WebVPN ? And what would be a different if i create new "sslvpn" list..Also when I'll be creating user for VPN remote access.. that user will also exist in local database and have access to router via SSH?Because the research I've done it doesn't seem you can group users in different "aaa groups" e.g. user admin belongs under "admin" aaa group which can do ssh to router, users for VPN can only do remote VPN access and not SSH and login into router.i saw ASA has some attribute for users called remote-user
 
•admin, in which users are allowed access to the configuration mode. This option also allows a user to connect via remote access.
 
•nas-prompt, in which users are allowed access to the EXEC mode.
 
•remote-access, in which users are allowed access to the network.
 
 But i can't find this option in IOS on my 1900 Series ISR router.

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Cisco WAN :: 1900 - Internet Connection And Multiple IP Addresses

May 30, 2013

Today I was having a conversation with my Cisco Academy teacher from a few years back, and we couldn't figure this out.I am getting an internet connection via Verizon FiOS. Instead of giving me an ISR, they're going to just give me an ethernet cable. Here's what I want to do with it.
 
This cable is going to be plugged into a 1900 series router. Connect to that will be a 48 port switch. Connected to that will be multiple servers to be used for web hosting, email, databases, etc. My ISP is providing me with 13 public addresses, however, it is not my own unique subnet.
 
Here comes the question; how would I set this up? The way I was originally thinking was to assign one IP to fa0/0, a second to fa0/1, and then assign the fa0/1 address as the default gateways for all the hosts on the inside. But then I realized that it won't let me have the same network on 2 ports.

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Cisco VPN :: VPN SSL On 1900 Series License

Oct 7, 2012

I bought 1921-SEC-k9 so i have security license installed: Technology Package License Information for Module:'c1900' [code] Now I'd like to know if SSL VPN comes with that license or do I need to buy additional VPN SSL license to use it? If so.. i'd just use IPsec... i need client-to-site configuration.. can you point me to tutorial or just a basic config.. because for ipsec i just find site-to-site tutorials on internet.

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Cisco WAN :: Interface Embedded-Service-Engine In 1900 Series

May 3, 2011

Sure this is a simple one. New to the 1900 series routers, have a 1921 with IOS 15.1. Noticed that there is a standard interface labeled Embedded-Service-Engine0/0. What the purpose of this is? Cannot seem to find any detail on it. See extract from default config below.

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Cisco WAN :: Why Does Automatic DHCP Configuration No Longer Work On 1900 Series

Jan 8, 2013

We have been using a dhcp and  tftp server to automatically configure branch WAN routers such as 1751's and 1841's for years but, have recently purchased a 1921 and 1941 as possible next generation replacements. The problem is when the 1900 series power up instead of getting a dhcp address directions to the tftp server it boots up and asks for the user name to be immediately changed or you will be "locked out".  Any workaround to this so that I can again go back to download my common configuration? Or any other way of automatically configuring the newer version ios? Doing extra steps for 500 WAN branch routers is time consuming.  Doing configurations without automation for that many is moving in the wrong direction.

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Cisco Switching/Routing :: 3911 Router DHCP Server Not Giving IP Address

Jan 30, 2011

I have a 3911 router with a 1242 AP. The problem that I have is that when the user is trying to connect, the user get the OS Ip address 169.254.168.154 and I see that when I do the "show dot11 association" command, but when I do sh ip dhcp binding on the  router I see
 
172.19.9.141        0100.18de.74db.14       Jan 31 2011 11:14 AM    Automatic
 
The router is seeing as if the router gave the ip address to the user, but the reality the user was assigne the OS ip address 169. I did "debug ip dhcp server events" and I got the following:
 
Jan 31 11:09:06.752 EST: DHCPD: Seeing if there is an internally specified pool class:Jan 31 11:09:06.756 EST:   DHCPD: htype 1 chaddr 0100.18de.74db.14
Jan 31 11:09:06.756 EST:   DHCPD: remote id 020a00000a58218400000000Jan 31

[Code].....

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Cisco Switching/Routing :: 1900 - Clear DF Bit And Policy Based Routing

Jan 8, 2012

I've been implementing a setup where a remote office has a Cisco 1900 router. There are 2 GRE/ IP SEC tunnels to the headquarters, 1 over public internet, 1 over a private cloud. Because of some MTU issues we have to clear the DF bit for some of the traffic, but we also want to use PBR to send https traffic over the "public internet" tunnel and the rest of the traffic over the "private cloud" tunnel. I'm able to clear the DF bit and to do the PBR with route-maps, but I'm not able to implement both functionality at the same time.

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Cisco Switching/Routing :: Get Snmp OID For Polling In / Out Utilization For 1900

Apr 29, 2013

How to get the Snmp OID for polling the in and out utilization for the CIsco 1900 Series Router interfaces.

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Cisco Switching/Routing :: Internet Sharing On Catalyst 1900?

Feb 1, 2013

i have a cisco catalyst 1900 & i like to share internet among 15 PC in my lab they all are connected to the switch through a patch panel should i connect my ADSL Modem to the switch, the switch is running on default config. 

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Cisco Switching/Routing :: Changing E-Delivery PAK From 2900 To 1900

May 15, 2013

we ordered a data e-delivery PAK L-SL-29-DATA-K9= (FOR A 2900 SERIES ROUTER) but after we received the PAK we discovered that the client actually has a 1900 router. Any easiest way of rectifying this mistake so that we can use the PAK on a 1900 series router?

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Cisco Switching/Routing :: 1900 Acceptable Memory Leaks Quantity And CPU

Apr 24, 2013

I am troubleshooting memory leaks and buffers issues on my 1900 and had some doubts regarding the problems that my router causes.Intermitently during the day for no reason the gig0/0 interface connected to ISP stops responding from our management network (log shows that the interface goes down).  The ISPs modem responds fine from my management network.The issue goes away by itself in 20 minutes, sometimes more or after a hard reboot.Sometimes a router would increment a throttle value to 1. When running for 4 days without a reboot, the router raised 39 throttles and 57 input drops. [code] The router is running Version 15.1(2)T4 and I was not able to find any caveats on cisco web page (although I havent used the bug finder tool)Is this only leak I found a reason to start worrying or I can disregard it and continue basic troubleshooting (change cable and plug my ISP to another port)

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Cisco Switching/Routing :: 1800 / 1900 / Unable To Receive Multicast Over GRE Tunnel

Sep 1, 2012

I setup a GRE tunnel between two cisco 1800 & 1900 routers. I can't received multicast.
 
Here is a copy of my configs:
 
R3#Building configuration...
Current configuration : 1238 bytes!version 12.4service timestamps debug datetime msecservice timestamps log datetime msecno service password-encryption!hostname R3!boot-start-markerboot-end-marker!logging message-counter syslog!no aaa new-modeldot11 syslogip source-route!ip cefip multicast-routing no ipv6 cef!multilink bundle-name authenticated!archivelog config  hidekeys! interface Loopback0ip address 10.0.0.3 255.255.255.255!interface Tunnel0ip address 192.168.24.2 255.255.255.252ip pim sparse-modetunnel source Loopback0tunnel destination 10.0.0.1!interface FastEthernet0/0ip address 10.0.3.1 255.255.255.0ip pim sparse-modeduplex autospeed auto!interface FastEthernet0/1ip address 192.168.23.2 255.255.255.252ip pim sparse-modeduplex autospeed auto!interface Serial0/0/0no ip addressshutdownno fair-queueclock rate 2000000!        router eigrp 1network 10.0.0.3 0.0.0.0network 10.0.3.1 0.0.0.0network 192.168.23.2 0.0.0.0no auto-summary!ip forward-protocol ndno ip http serverno ip http secure-server!control-plane!line con 0line aux 0line vty 0 4exec-timeout 5 0privilege level 15no login!scheduler allocate 20000 1000end

[code]....

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Cisco Switching/Routing :: 6500 DHCP Not Giving IPs

Jan 15, 2013

I have this message "DHCP Timeout"on few cisco IP Phones .try to assign IP manually and it's working fine.. seems DHCP not giving IP's to those.. 6500 have configured as DHCP pool.

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Cisco Switching/Routing :: Giving Out Discard Error On 3750E

Apr 4, 2011

We're seeing "OutDiscard" error on a LAN switch connected to newly migrated Cisco IP phones. All the other error counters are clean except for the OutDiscard. (please see attached "show int count err" output.) [URL].

According to the link above, the common cause of such discards can be to free up buffer space.(Am I seeing a switch buffer issue?) How to identify/resolve the cause of the OutDiscard.The switch is 3750-E running c3750e-universalk9-mz.122-44.SE6.bin

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Cisco Switching/Routing :: Switch 3560 Not Giving Out Power?

Sep 26, 2011

I have an issue with a 3560 in my network, after sometimes it fails to give out power to some ip phones,while others are not affected and below is the message i get
 
"Power given, but Power Controller does not report Power Good"

output of sh power inline and sh env all : everything seems to be ok on the switch

#sh power  inline
Available:450.0(w)  Used:48.0(w)  Remaining:402.0(w)
 Interface Admin  Oper       Power   Device              Class Max
                            (Watts)
--------- ------ ---------- ------- ------------------- ----- ----
Gi0/1     auto   off        0.0     n/a                 n/a   15.4
Gi0/2     auto   off        0.0     n/a                 n/a   15.4
Gi0/3     auto   off        0.0     n/a                 n/a   15.4

[code].....
 
It's solved by a reboot of the switch, i could have suspected a power environnment issue but it's the only equipement disturbing in the network.

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Cisco Switching/Routing :: 800 Series Router Configuration

Jun 13, 2012

about to install first UC320w and wanted some sample 800 series router configurations showing required port fowarding, ACL entries and QoS examples.

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Cisco Switching/Routing :: Setting Up NAT On 800 Series Router

Aug 23, 2012

I have a Cisco 800 series router that I need to set NAT up on. There will be four computers connecting to the internet through it. I already have the IP address coming from my cable modem I just do not know the command to get it to translate to my internal dhcp pool I have setup.

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Cisco Switching/Routing :: E4200 Not Giving Android Devices Connection

Jan 3, 2012

I just upgraded to the e4200 v2 and I seem to be having connection issues with my android phone and tablet. Both are 802.11n compatable but they seem to have issues staying connected. Just so everyone is up to speed, there are two connections made by android, a general one to the internet, and a second one to the google servers (for syncing e-mail and contacts and the like) When just connected to the internet, the wireless icons are gray, when connected to the google servers as well, the icons turn blue. It's the drop in connection to the google servers that I'm having an issue with. I currently have the router set in full auto for channel and frequency band, but I've also tried setting specific ones thinking maybe the change in channel or something was causing the disconnect. The disconnect will even happen when I'm sitting right next to the router. The phone is a Samsung Galaxy Nexus (Verizon LTE) running Android 4.0.3 and a Asus Transformer tablet (Wifi only) running android 3.2.1.

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Cisco Switching/Routing :: Nexus 5596 Giving Error In Connection

Aug 28, 2012

I have 2 datacenters running same equipement (two Nexu 5596 with FEX).I just took a look at the log just to see if everything is ok and I saw that I have the same error message (a lot of times) at both location :
 
%SYSMGR-FEX100-5-HEARTBEAT_LOSS: Service "satctrl" heartbeat loss 2 ,max 7,I though it was a problem with my peerklink-keepalive connection but I see the word FEX ....so i'm not sure...
 
Note that at both locations, my Nexus are connected back to back through the management port using transceivers. So it's a copper cable from the first nexus,  going into a transceiver, going to another transceiver in fiber and then back to copper to the other nexus.

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Cisco Switching/Routing :: NATing On 2800 Router Series

May 22, 2013

I have Router 2800 series Global nating is configured on it.

ip nat inside source list 111 interface Dialer1 overload
!
access-list 111 deny   ip 192.168.1.0 0.0.0.255 192.168.0.0 0.0.0.255
access-list 111 permit ip 192.168.1.0 0.0.0.255 any
 
My object is that i want give internet access only for few users ip E.g   IPs addresses from range 192.168.1.0-10 can acess intenet access other all are deny.How i do this with ACL .

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Cisco Switching/Routing :: Setup RDP To A Server On 800 Series Router

Dec 27, 2012

I would like to setup RDP on my cisco router so I can access my server from outside my network. I also have a router from my ISP that has DHCP for my external IP address and DHCP for my internal as well.

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Cisco Switching/Routing :: Setting Up NAT And Possibly PAT On 800 Series Router

Aug 23, 2012

I have a Cisco 800 series router that I need to set NAT up on. There will be four computers connecting to the internet through it. I already have the IP address coming from my cable modem I just do not know the command to get it to translate to my internal dhcp pool I have setup. I have also been doing some research, seeing as I only have one public IP address coming from my ISP will I have to use PAT as well?

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Cisco Switching/Routing :: Can't Configure SPAN On 800 Series Router

May 1, 2013

I have a Cisco 881 router running 15.1(4)M4. I am trying to configure SPAN on it to mirror my outside interface (source) to one of my LAN interfaces (dest).
 
!--- WAN interface
interface FastEthernet4
description Comcast WAN$ETH-WAN$

[Code]......
 
As you can see from the above output there is a problem with the command on this interface. When I try to set Fa0 as my source it works fine:
 
rtr(config)#mon session 1 source int fastEthernet 0
rtr(config)#
 
Is this because fa4 is layer 3 and fa0 is a switchport? If so, is there another way to set fa4 as the source?

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Cisco Switching/Routing :: 2600 Series Router Cannot Remember PW

Mar 28, 2012

I have a 2600 Router series and I cannot remember the Password.  I have tried following web pages that state to use control Break on the boot up but its not working.can reset that pw and write erase my configuration file?Here is my boot up.  I have tried hitting control break at the very beginning over and over and then again when at the cold boot it has not worked....
 
System Bootstrap, Version 12.2(7r) [cmong 7r], RELEASE SOFTWARE (fc1)Copyright (c) 2002 by cisco Systems, Inc.C2600 platform with 131072 Kbytes of main memory
program load complete, entry point: 0x80008000, size: 0x1c9468cSelf decompressing the image : ######################################################################################################################################################################################################################################################################################################################################################################################################################################################################## [OK]
Smart Init is enabledsmart init is sizing iomem  ID            MEMORY_REQ                 TYPE00036A          0X000B3B80 C2610XM Single Fast Ethernet                0X00098670

[code]....

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Cisco Switching/Routing :: 3900 Series Router Licensing?

Feb 6, 2013

Can the 3900 series router be ordered or upgraded to a license with advances enterprise services?  I have a few of these routers and I'm looking to get the license upgraded if possible.

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Cisco Switching/Routing :: Router Boots Into Router With 2500 Series

Jul 27, 2009

I m having 2500 series router. when i boot router automatically get into router(boot)> . how to solve?

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Cisco Switching/Routing :: 6513 Switch Giving Module 11 In Power Down State

Apr 7, 2012

After a power problem at our data centre we find Module 11 of our Cisco 6513 Core Switch in PWR Down state.Show Module 11 returns: Status: PWRDownShow Power Status Module 11 returns: OperStatus Off (Module Reset due to an exception or user request).The command:
Power enable Module 11 was issued and returned the following:  %PM_SCP-SP-1-LCP_FW_ERR: System resetting module 11 to recover from error: Linecard received system exception. Errcode = 2509000001.%OIR-SP-3-PWRCYCLE: Card in module 11 is being powercycled Öff (Module reset due to exception or user request%C6KPWR-SP-4-DISABLED: Power to module in slot 11 set off (Module Reset due to exception or user request),We have restarted the switch twice. The module is currently not passing traffic causing downtime to services.

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Cisco Switching/Routing :: Setup Port Forwarding On 800 Series Router?

Jan 14, 2013

I just setup my homelab today, after having Cat5e installed so I can run my servers and network equiptment over wired network as well as setting up a wireless system.  I got everything setup and its going great I can access everything from my office now including a E4200 Linksys router that I setup to do RiP (was only choice pretty much, or NAT), and my 891 Cisco Router which is my internet connection.
 
I use to have the linksys setup to do port forwarding but now I need to figure out how to do it on the cisco 891 router via command line.
 
Below is my current configuration.  I need to be able to access my server which is behind my router by Remote Desktop.  I also have a web server, and the kids also play minecraft, and have a server setup so I need to be able to forward their port as well.
 
[URL]
 
Ths is from the link above, would I just do like that but then put in my IPs and is that my Private IP I use this or my public facing.   Also he has "interface Dialer1 6881" again after the port in the second and third row.  I dont really understand what they have there.  I understand basic access list and such though I am extremely rusty. 

!
ip nat inside source list 102 interface Dialer1 overload
ip nat inside source static tcp 10.0.0.2 6881 interface Dialer1 6881

[Code].....

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Cisco Switching/Routing :: Module To Add Gig Interfaces To 2800 Series Router

Aug 16, 2012

I am trying to add WCCP to be configured for websense. My first option seems to be either purchase an IPServices license for the stack of 3750E switches, but i am thinking this will require us to license all three switches in the stack. The second option i am looking at is to do the WCCP configuration on the 2800 router we have on the edge. The problem is both Gig ports are in use, one going to the firewall and the second going to the ISP. My first question would be, which option is better in terms of manging as well as cost of implementing it.The second question is, if WCCP on the router is a better option, what is the add on module i should be looking to get to add the additional ports to hook up the Websense cache.

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