Cisco is a major provider of switches and routers to most medium and large companies. Cisco devices often run IOS or NX-OS. This is a generic tag to be used when no more specific tags are available. See the partial list of tags in the full Tag Wiki.

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3answers
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TACACS+ - Cisco Router - Failover to local database not operating as it should

I have TACACS+ working and now I am trying to set it up so that it will failover locally if the TACACS+ server is unavailable. My goal is for it to check the TACACS server first, then failover if it ...
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0answers
11 views

Cisco Voice VLAN with 802.1X Authentication

I've got a Cisco Catalyst 2960 that I'm trying to configure for a remote office with 802.1X wired authentication. The setup I'm going for is Switch -> VoIP Phone via Internal Switch -> ...
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4answers
115 views

Vmotion issues between hosts

Just added two new hosts to our infra, there is an issue with vmotion, the test vm moves over to the hosts no problem but I cannot ping or connect to the vm from outside vsphere once I move it too the ...
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1answer
25 views

Catalyst 3560, making an admin only port? [on hold]

Okay, so I'm completely new to this networking stuff. I have an assignment and it's stumping me. I have a choice of using either 2950, 3560, 3750 devices. The assignment: "Make sure that no one can ...
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0answers
9 views

Triggering an event with cisco event manager

I currently use event manager applet to monitor the state of an rtr track track 1 rtr 123 reachability. This currently logs to a syslog server as well as sending an e-mail. I now need to do some ...
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1answer
29 views

c7200 IOS 15.x-x NAT/PAT issue

My problem may be just finger trouble, but after fighting with this for a day on what should have taken 5mins, I am getting fustrated. I am not Cisco Certified at any level, just a fair amount of ...
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0answers
6 views

Aironet 1252 not booting

I have a 1252 Aironet AP that does not boots up. I've plugged the console cable, but displays nothing. After connecting power via PoE, I just got the radio LED on red after 5 seconds. I've checked ...
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2answers
71 views

Cisco Aironet 1200 mode button disabled

Hey I got a free Cisco Aironet 1200 the other day and tried to restore it using the mode button but it was disabled and no one knows the password for the WAP's interface any ideas how I could get it ...
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0answers
35 views

Does Cisco IOS support NPTv6?

I'm looking to do a small multi-homing setup which is currently achieved, with IPv4, using NAT. NPTv6 seems to be a good way to do this for IPv6 however I cannot find how to configure this on Cisco ...
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0answers
31 views

SSH/SFTP over WiFi issues

Some time ago we have purchased a Wireless Controller (AIR-CT2504-K9) with few Access Points (MIMO 3x3). The number of users on one access point is around 20-25 simultaneously. As I have understood ...
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2answers
276 views

Static public IP issue on Cisco ASA 5512x

This is our scenario: We have an Cisco ASA 5512x and we have 2 different Internet connections from different ISPs connected with it. ISP A is being used for the users browsing traffic(normal ...
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2answers
1k views

XenServer 6.0.2 and Cisco 3550 vlan configuration

I am running a couple of xenserver 6.0.2 hosts with multiple vm's on them. All the xen hosts have 4 physical network ports connecting to the cisco. Each port is untagged in xen but is tagged to a vlan ...
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5answers
570 views

Set up layer 2 vlan between 2 data centres

Our data centre provider operates 2 sites, and we currently have equipment in one and would like to have equipment in the second. They've told me that they operate a layer 2 vlan between the 2 sites ...
2
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2answers
1k views

VmwareESXi Vlans, Cisco devices and broadcast making the things odd

I'm having problem for some days trying to make a correct configuration Right now I have a Cisco Catalyst switch, a Cisco Router 2811 and a VMware ESXi node with 4-8 VM (Linux,BSD, Windows), each ...
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1answer
70 views

SCCM 2012 R2 OSD pxe-32 : tftp open timeout

I have SCCM 2012 R2 standalone primary site on windows server 2012 and i have Cisco dhcp server i configured the distribution point for pxe boot to work with osd i added boot images and configured ...
3
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2answers
831 views

Cannot ping outside Fa4 on cisco 871w Router (SoHo)

After starting fresh after a write erase and a reload on a cisco 871w. I cannot ping outside of the wan (fa4). I gave vlan1 (default) an ip because apparently the built in "4 port switch" is a layer ...
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0answers
10 views

Cisco Cryptochecksum generation

I ran 2 commands - a show start and a show run. I noticed that the cryptochecksums were different. My main question is understanding the cryptochecksum and how it is generated. Is it different ...
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0answers
6 views

Determining the side-effects of enabling unicast reverse-path forwarding on Cisco ASA 5505

I am trying to find out what (if any) negative side-effects there would be to enabling Unicast Reverse Path Forwarding (uRPF) on a Cisco ASA 5505 - I need to do this on a router which I do not have ...
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1answer
48 views

Need VLan to route to Internet

I have a Sangoma box here. This is Lync in a box... There is AAR Reverse proxy (VM) on the server and it has an IP of 10.10.9.7 on The "External" interface. I have 10.10.10.5 on the "Internal" ...
2
votes
1answer
24 views

Stuck with Cisco DHCP pool issue

Yes, I have searched, googled, sworn, googled more but have not quite found the answer I need, .. I have also posted this on a Cisco forum but, as I discovered at stackoverflow, the Stack* forums ...
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0answers
17 views

Cisco 801 firewall/router - Allowing all outbound traffic to specific addresses [closed]

I inherited a Cisco 801 running IOS 3.1.1.1 (I think). I need to allow outbound traffic from our network to a set of IP addresses for a VOIP system. I think the way to do this is via an extended ACL, ...
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1answer
25 views

Can IPS monitor both inbound and outbound traffic?

We have a user traffic flow like below (PC - Internet) PC => Cisco ASA FW+IPS integrated => Fortigate Proxy (ISP connected to this Proxy) = > Internet PC = > ASA+IPS ==> Fortigate Proxy ==> ...
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1answer
33 views

Federation with Office365 results in an Outlook UserAgent change and an Ironport block due to Webfilter

The following Cisco bug documents that when Exchange is federated with Outlook.com the Outlook user agent changes so that any email based image is blocked as webmail on the ironport. ...
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1answer
939 views

Voice VLAN Configuration on Cisco SG300

We currently have a single Cisco SG300 switch on our data network. We are introducing a hosted VoIP system. As such we will be installing a second Cisco SG300 (to account for growth and new phones) ...
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1answer
67 views

Cisco Catalyst 2960S boots to “MLG System”

We have a brand new Cisco Catalyst 2960S that while connected to the console during boot is booting to the following: File ...
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1answer
66 views

How to Access Server After Cisco AnyConnect Connected?

I have bought a VPS with Windows Server 2003 and Valid Public IP a.b.c.d In this Server I have to Connect to Another Private Network with Cisco Any Connect also I have to RUN a CCProxy (http proxy ...
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1answer
170 views

how to manage when squid server crash and internet share for all when bypass server by WCCP Cisco router accrued?

We have about 735 clients with windows 98 SE and Windows XP (joined to domain) Windows 7 and 8 and etc. and have about 35 servers and internet connections and cache servers that one of them is Squid ...
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2answers
2k views

cisco ip nat / port forwarding

I have been trying to get port forwarding working with a newly installed cisco router. I cannot seem to find where my fault is and have been looking for quite a while. The relevant section of my ...
2
votes
1answer
870 views

IP ACL for SPAN port on 3560

My scenario is that I have > 1g of traffic on a switch, but only a 1g monitor port. But the traffic I'm actually interested in is only about 10mbps, the rest can be ignored. I have one 3560 switch, ...
2
votes
1answer
329 views

Can I connect multiple SPAN Ports to a hub to monitor both from one NIC

Suppose I had two Cisco switches each outputting some network traffic to a SPAN port, and I needed to send the sum of all that traffic to a third device for monitoring that traffic via libpcap. The ...
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vote
1answer
1k views

Port mirroring on multiple switches

So here is the deal, I have a server on switch A where port 3 is monitoring traffic for most of the ports on switch A. However I have other users on switch B that needs to have port 3 on switch A ...
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0answers
29 views

CSR1000v image in Openstack as a VM

I have an esxi host. Under that I have created a Ubuntu 14.04 machine running Openstack(devstack single node)Juno release. I am trying to spin CSR1000v image as a VM inside Openstack. I followed the ...
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1answer
1k views

Setting up Splunk/IronPort WSA

I recently stumbled across Splunk 4 (by way of an advert on this very site...) and found that it had an "App" that's designed to work with Cisco IronPort WebSecurity and E-Mail Appliances! That's ...
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1answer
20 views

Authenticate WLAN using Hostname in Access Group

The hardware is Cisco APs and Windows 7 Enterprise clients, which currently allows users to authenticate based on an Access Group in AD. We're looking at instead of users account, using the actual ...
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1answer
30 views

Managing two switches and one Router [closed]

I have the following network : One Router : CISCO 860 (In : ADSL, Out : Yellow Ethernet Cable) Two Cable Panels Rack One : PANEL 24 ports (22) - DT24F Rack Two : PANEL 24 ports (22) - DT24F ...
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2answers
255 views

Network Collision Monitoring

I want to monitor my network devices (router, switch) in our network for collisions. Can anyone please suggest any open source web application which can be used for the above purpose?
0
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1answer
245 views

Basic Cisco VLAN Config

Hello very helpful people!!! Have a stock Cisco 3500XL, haven't worked on Ciscos in forever, does anyone have a sample config for what I need to accomplish? Few notes, the uplink is port FastEthernet ...
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1answer
1k views

Cisco 1142 AP not joining WLC

I have one an issue that I would be extremely grateful for help with. When I check the AP join statistics I see the following: Reason For Last Unsuccessful Attempt RADIUS authorization is pending ...
3
votes
1answer
841 views

cisco asa reloading

After having both memory and code upgrades, we have a significant number of our asa 5520's (in active/standby pairs) develop problems. The problem manifests itself as losing connectivity to the other ...
0
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1answer
32 views

Zabbix IPMI does not auth with Cisco C220 M3

server: Cisco C220 M3 Zabbix 2.4 Ubuntu 14.04 ipmitool works user1@zabbix3:~# ipmitool -I lanplus -H 192.168.1.45 -U admin -P Password1 -A MD5 sel SEL Information Version : 1.5 (v1.5, v2 compliant) ...
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0answers
20 views

Flat ISP network to MPLS dumb Q

I have a fairly flat ISP network that I am upgrading to use MPLS (dont ask why, that decision is above my position) but clients/CPE are authenticated using PPPoE. Each POP uses a router configured as ...
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1answer
988 views

cisco CUCM 8.6.x configuration export

We currently have a Cisco server running CUCM and cannot get access to the system due to a 'Database communication error' received when attempting a log in to CUCM homepage. Is there any way to ...
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2answers
979 views

Limiting Bandwidth per port Cisco router

Let's say a businessses purchases a sufficently fast internet connection (such as 60Mbps cable connection) and VOIP quality is pretty good for the most part. The only thing I would be worried about ...
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0answers
23 views

DHCP from Cisco 1921 failing after switch nr 2

I have a network which uses a Cisco 1921 router. The router is connected to a Dell Powerconnect 2848 switch and from that switch is a connection to a small SOHO Planet switch which 3 computers connect ...
0
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1answer
29 views

IPv4 ICMP Codes/Errors for WAN transmissions

Can someone tell me which IPv4 ICMP Codes/Errors i have to unlock as Best Practise for WAN transmission (RedHat und Cisco)?
4
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1answer
139 views

Possible to have DHCP hand out different DNS server address when using different tunnel?

We have several ASA 5505 deployed. Currently, we have a setup where the local ASA is answering DHCP queries and is configuring clients with two DNS servers: our DR site DNS server (we use AD) and a ...
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1answer
62 views

Unplug of Netgear Switch Causes Cisco Link Drop on Remote Switch

I have a very odd problem that I'm hoping someone might be able to give me even an idea of where to look. I have a new Netgear M4100-D10-POE layer 2 managed switch that we are installing in a remote ...
0
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1answer
25 views

Does “aaa accounting commands” not support radius?

When I issue this command: aaa accounting commands 15 default start-stop group myradiusgroup I get this error: %AAAA-4-SERVNOTACPLUS: The server-group "myradiusgroup" is not a tacacs+ server group. ...
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1answer
1k views

Cisco - Port's configured trust state is now operational

I am looking at a Cisco switch's log at work and am a bit confused by how verbose it can be at times. For instance, we use automatic QoS here and I often see this when phones are plugged: Mar 18 ...
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1answer
2k views

How do you get DHCP scope information from a Cisco device? (IOS 12)

I'm trying to track down devices and network info on a rather large network with a bunch of subnets and VLANs and the like, most of which are served DHCP from Cisco [enterprise-grade] switches or ...