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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How can I debug Cisco Firewall ASA “Dispatch Unit” very high CPU utilisation from ASDM?

I have recently had my first firewall installed so I am very new to this whole situation. I am finding that Dispatch unit is becoming overloaded and it would appear to be the reason I get serious ...
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Can Cisco RV 042G be configured to provide load balancing and fail over for the LAN part?

My requirement for a router is that it should: Have 2 nos of gigabit WAN ports. Have 4 nos of gigabit LAN ports. Be able to configure load balancing and fail over for both WAN as well as LAN. I ...
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How can I get QoS over a WDS bridge on Cisco WAP551

I have two Cisco WAP551 devices bridging two physical locations wirelessly across the street from each other (200 feet, line-of-sight through a window). This is replacing a much, much older wireless ...
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12 views

establish ipsec with lzs compression between computer (host) and cisco

I am looking for a waqy to establish an Ipsec tunnel(with lzs-compression enabled) between a cisco router and a host(using strongswan or sth else). I can establish a tunnel without lzs-compression. ...
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6 views

CISCO: conditional port-based NAT (policy-based PAT)?

I have a problem to nat-translate inbound http packets to different local_ips based on some condition (like dscp bits set). Actually the dscp bits get set on the incoming trafic using NBAR. I hope ...
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2answers
57 views

CISCO - host header forwarding possible?

Is it possible to realize a kind of policy-based routing in cisco ios, which forwards 80port requests on external IP to internal hosts based on host header information (http address). So if somebody ...
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1answer
40 views

netscreen sn25 vs cisco asa5505 speed

Current i have 2 server direct connect to 1 juniper netscreen sn25 firewall then go to internet, the intel 350 nic is setup at 100mbps (which should be able go up to 1000mbps). the problem is this ...
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17 views

How do I change the default extension that Cisco auto attendant dials when it can't find an extension?

How do I change the default extension that Cisco auto attendant dials when it can't find an extension or 'dial-by-name' name? Our former network engineer has auto-attendant answering calls to x100 ...
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2answers
56 views

Trouble polling for OID values within tables

I'm very confused about which OIDs are supported by my device, specifically for the CISCO- IPSEC-FLOW-MONITOR-MIB. It seems like some OIDs within that MIB are supported, while other OIDs aren't. ...
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14 views

Pix internet configuration using subnet public IP

I have routable address 172.30.19.78 and 172.30.19.77 (the internet provider IP) NB: i am connected to the provider via switch cisco ME.. In the other hand i had public subnet 41.x.x.216/30 I had ...
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19 views

how to configure redistribution from static routing protocol to OSPF,EIGRP,RIP v2? [closed]

![enter image description here][1]in cisco packet tracer i have configured redistribution on back bone router of Ripv2 to OSPF,EIGRP,Static and from OSPF to EIGRP,RIPV2,Static . I got stuck in how to ...
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32 views

Will the Linux Open VPNC Client connect to checkpoint or nortel VPN gateways?

Site: http://www.oucs.ox.ac.uk/network/vpn/linux-solaris/index.xml?ID=VPNC What is open VPNC: VPNC is an open-source VPN client for Linux and other Unix systems which is compatible with the OUCS VPN ...
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14 views

cisco VPN + Connection Terminated Locally by the Client [closed]

I have installed CISCO vpnclient-linux-x86_64-4.8.02.0030-k9.tar.gz on linux red-hat 6.3 (kernel 2.6.32 ) the linux ia 64 BIT Now when I try to connect, it keeps trying to connect to the gateway but ...
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27 views

CISCO VPN CLIENT + on linux machines

I have try to install the VPNC Cisco client on many linux red-hat version For example Linux 5.2 ( red-hat ) Linux 6.2 ( red-hat ) Linux 6.3 ( red-hat ) And on different kind of kernel versions ...
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5answers
3k views

Are Arista SFP Transceivers Compatible with Cisco Switches?

Are the Arista SFP transceivers compatible with Cisco switches? For example, if I go to the CDW site they show multiple transceivers that vary in price. How can I know that they will work in the ...
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50 views

how to whitelist or deny “enable” mode IP address to cisco 3750 switch

I have a Cisco 3750 switch and I want to modify the allow/deny IP addresses that can access it in ssh and "enable" mode. Not sure how, and googling is nearly impossible to get this info it seems.
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30 views

install cisco VPN client on linux in place on WIN XP [duplicate]

I have win XP with VPN client version - Cisco 5.0.01.0600 Now we want to replace the WIN XP with linux machine , red-hat version 5.x or 6.x , My question is , what the equivalent VPN version that I ...
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2answers
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Cisco ASA - Configure External Access to a Server

I'm trying to configure my ASA (ASA 8.4(2), ASDM 6.4(5) ) to allow external access to a server (using RDP). I've tried everything, but it doesn't seem to be working. I'm sure it is something simple ...
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22 views

Routing through SonicWALL SSL-VPN and Cisco L3 Switch

In the image above, we use the SonicWALL NSA 3500 at our gateway and handle VPN with its SSL-VPN. Our Layer 3 Cisco switch is our core network switch and handles about a dozen VLANs. Most VLANs ...
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34 views

Installing new Cisco MIB

I'm having issues exposing firewall information via OIDs on a Cisco IOS device (c7200-ik9s-mz.124-25c.bin). It seems like either the IP-ACCESS-LIST-MIB or the CISCO-ITP-ACL-MIB would supply that ...
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1answer
49 views

Name resolution failing on Cisco 800 Series

Our ISP is currently in the middle of a major DNS outage and as a result name resolution through the nameservers they provide is not working. I'm trying to add Google DNS servers to our Cisco 800 ...
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26 views

Is there a simple command to delete multiple ip sla policies?

I have a Cisco 819 router and on it there are a lot of ip sla policies. when I run the sh runcommand I get the following; ip sla auto discovery ip sla 2 http get http://www.facebook.com cache ...
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978 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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Cisco ASA (Client VPN) to LAN - through second VPN to second LAN

We have 2 site that is linked by an IPSEC VPN to remote Cisco ASAs: Site 1 1.5Mb T1 Connection Cisco(1) 2841 Site 2 1.5Mb T1 Connection Cisco 2841 In addition: Site 1 has a 2nd WAN 3Mb bonded T1 ...
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1answer
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How to setup a static multicast ARP entry with Cisco SG300?

We're running a Microsoft NLB cluster in multicast mode as a loadbalancer. Using our old Cisco IOS switches we propagate access to the cluster to our branches using a static ARP entry in the core ...
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1answer
25 views

VPN Tunnel set up Issues - Cisco WRVS 4400N to Server 2008 R2behind ASA5505

I was wondering if someone could help with a scenario i have that i am not sure how to set up regarding a VPN tunnel set up. I have a Cisco WRVS4400N business router , and on this device , i need to ...
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26 views

Unable to monitor Cisco route tables with SolarWinds

I recently switched from scanning a linux-router based network hosted on CORE emulation software, to scanning Cisco IOS routers hosted on a GNS3 emulation with SolarWinds. Everything seems the same, ...
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1answer
787 views

connecting to packet tracer from pc

How I can connect to a router that runs in Packet Tracer from the pc that the program (Packet Tracer) runs on it using telnet or Putty or SecureCRT or other shell programs? I use GNS3 but need to work ...
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2answers
769 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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247 views

Cisco ASA - Restrict IP for WebVPN access

I've got a Cisco ASA5510 with Firmware Version 8.0(5). I'd like to restrict the source IPs that are allowed to access the Router through WebVPN (port 443). Here is the relevant part of the config. ...
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264 views

Are PIX firewalls still supported by Cisco?

I was told by a salesman at a hosting company to be wary of anyone trying to use a PIX firewall in my hosting solution because Cisco doesn't support them anymore or offer security updates. Is that ...
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Is it possible to hairpin on Cisco 851W IOS 12.4(15)T9 and how?

I need machines on the LAN to be able to access by the external address or hostname. If it can't be done, then just by hostname is OK as well, so I thought of just doing it through DNS on our internal ...
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Cisco 861 - Unable to traceroute

I'm having an issue with my Cisco 861. I'm unable to traceroute to any ip address from the router, even the next hop. Can anyone suggest possible causes. Apologies for the censoring but I won't take ...
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2answers
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Configuring Frame Relay using a Switch Simulation - Packet Tracer

I have the following set up in Packet Tracer: I am trying to configure frame-relay between the RTR-EDGE router, the RTR_ENG router and the RTR_SAL router using a frame-relay switch simulation (the ...
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1answer
901 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 ...
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16 views

What should I consider when I plan a meaningful monitoring for SNMP Switch (SG200-50)

I am currently planning the monitoring of a switch and would like to consider beforehand what I need to be closely monitored in order to obtain errors and warnings are also useful. I have a Cisco ...
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39 views

Physical Interface VS Multipoint Subinterface in Cisco Frame Relay

I am new in learning about Cisco Frame Relay. And I am having trouble in understanding the difference between using physical interface or multipoint subinterface, because it looks the same to me. ...
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35 views

Cacti Getting SSID Stats from a Cisco 5508 Wireless Lan Controller

I'm trying to get some statistics from a Cisco 5508 WLC via SNMP using Cacti 0.8.8a, however I'm having some issues - 1) Trying to get total number of connections per SSID - I've written a bash ...
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12 views

Send SNMP Trap on Forwarding Table changes

I'm very new to router setup and configuration. I was wondering how can I enable sending a SNMP trap (on a Cisco router) in case Forwarding Table changed.
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620 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
686 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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2answers
818 views

Setup Cisco RVS4000 QOS for VOIP

Just switched from dedicated T1's with analog phone lines to cable modem with 10/2 uplink. We're having some VOIP call quality issues on the outgoing side when bandwidth is stressed and I need to ...
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22 views

Adding ip routes for the additional WAN IPs on Cisco IOS? [duplicate]

I have a Cisco 800 series router. FastEthernet0 uses switchport access vlan 100, has one webserver on 10.0.0.2 FastEthernet1 uses switchport access vlan 101, has one PC on 10.0.1.2 FastEthernet4 ...
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18 views

NO_PROPOSAL_CHOSEN error while connecting

crypto isakmp policy 1 encr 3des authentication pre-share group 2 ! crypto isakmp client configuration group vpn key cse123 pool SDM_POOL_1 acl 100 netmask 255.255.255.0 crypto isakmp ...
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2answers
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Setting up VPN on CISCO ASA with private IP on outside interface

I am trying to setup our ASA 5510 to allow IPsec(IKEv1) access to the inside network through VPN. The hard part about our setup is the outside interface does not have a public IP address assigned to ...
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4answers
2k views

Cisco ASA user authentication options - OpenID, public RSA sig, others?

My organization has a Cisco ASA 5510 which I have made act as a firewall/gateway for one of our offices. Most resources a remote user would come looking for exist inside. I've implemented the usual ...
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1answer
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cisco 2500 series controller keeps dropping devices

I have a cisco 2504 controller with 3502 ap's. This is all configured and works a lot faster than our old system already except these seem to drop clients every 20-30mins or so for a few seconds. ...
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29 views

Cisco ASA 5510 multiple vlans on same interface with different security levels and routing between

Looking to setup on my 0/3 interface multiple vlans and looking to get confirmation that this will work. Ethernet 0/3.1 security-level 20 nameif dev-dmz vlan 502 ip address 172.20.2.1 ...
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2answers
838 views

How to disable multicast on a single port

We just finished deploying 2 cisco SG300-28 switches in our network. We're building a voLANte video distribution network, so all ports were enabled to have multicasting support. The problem we face ...
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24 views

Cisco MIB- How to get SNMP traps?

I'm very new to MIBs and traps. My question is, how can I get traps on any FIB changes on Cisco's routers? Here is some information about Cisco MIB: ...