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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1answer
76 views

Need help routing Cisco network- IP routing [closed]

In the above network, can you help me configure routes so the computers on the left can see the computers on the right, and vice versa? I know the syntax of the command is ip route {network ...
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2answers
97 views

NAT Overloading not working, access-list not catching ips?

I have a GNS3 lab set up and I am trying to get NAT overloading working with a dynamic pool. Please see diagram The issue I am having is traffic is being routed correctly from PC1 to the ISP1 or ...
1
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1answer
247 views

How to make a Cisco AP1142N speak Bonjour?

I have an autonomous Cisco access point (model AP1142N) and an Apple TV that are on the same physical and logical network. Bonjour does not work across the access point — both WiFi-to-WiFi and ...
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3answers
108 views

Cisco Switch Out-Of-Box without console access

I have a Cisco C2950-24 Switch Out-Of-Box here. But my laptop doesn't have serial port nor I have the console hub. Is there a way to setup the switch from this state without console access? I have ...
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2answers
78 views

Cisco Router Setup

I am helping a friend set up a network for his new business and am having issues setting up the router. I am by no means a network expert. He has a Cisco 2921 router and I have it set up as follows: ...
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2answers
107 views

Portfast on a trunk port on a Cisco 3750

Good morning everyone! Some history, we have mixed environment of Dell Powerconnect 6248 switches and Cisco 3750 switches and a Cisco 6500 core for our Head office. We have two VLANs 1 & 20 ...
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1answer
109 views

Cant Connect/Ping to Management Console on Cisco SG200-50 after Connecting networking

I have two of these switches. When I have nothing else plugged in and a cable from port 1 to a laptop on the same subnet I can connect fine, however after plugging any additional networking in I ...
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0answers
83 views

Outgoing SFTP not working through Cisco Router (but works through phone)

Router is a Cisco 2900 Series. Trying to SFTP to a Canadian client. No outgoing ports are blocked. I can connect to the same SFTP server when tethered through my phone but not when going through ...
2
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1answer
80 views

Configuring Dialout with the Cisco 2500 router

I'm working on configuring dialout with a Cisco 2511 router and external modems. The end point is a dial-in server, which will create a ppp connection. I use this guide as a reference but it only work ...
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0answers
129 views

Cisco SPA504G phone CDP/LLDP issue

Good morning everyone, Just recently signed up for the site because I'm looking for some help with an issue that's been plaguing me for about a week now. I hope I'm posting in the right place. If ...
2
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2answers
86 views

Send logs to mulitple syslog servers

we have a cisco 6500 chasis and I would like to send to the logs to two separate syslog servers. At present, it is already sent to one syslog server. That goes to our security team. But we would like ...
2
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0answers
242 views

How can configure Cisco ASA 5510 to allow access to Web server in DMZ from LAN with port translation?

I am trying to configure Cisco ASA 5510 firewall to allow access from LAN to DMZ web server. Web server is located in the DMZ and is using port 8080. I don't want users to type port number every time ...
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1answer
401 views

Setting Up A Windows 2008 NPS Server As A Radius Server For A Cisco AP541N Cluster

I have a cluster of Cisco AP541N access points. I am trying to use the Radius authentication for WPA-Enterprise authentication, but I cannot get the APs to query the server properly. Does anyone ...
0
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1answer
140 views

How does the Cisco Global Site Selector pass traffic?

I have reason to believe that the Cisco GSS 4400 Series behaves differently from Cisco ACE NLB's, in regards to the way they pass name references. I would like to know the details of how they differ, ...
1
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0answers
121 views

Setting up an IPSec VPN with Cisco ASDM

I am trying to set up a VPN remote access with a Cisco ASDM 6.4 for ASA 5505 Version 8.2(5). In order to set up the VPN I followed this steps. After this steps my info look like this: VPN Tunnel ...
2
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2answers
143 views

How does Arista EOS and Cisco IOS encrypt tacacs+ encyption keys?

We're using tacacs for AAA on our network devices, and I'm interested/curious in how our devices are encrypting the passwords device side. Following the Arista EOS manual, page 139, I'm running: ...
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0answers
39 views

Unable to login into CISCO SAN switch management IP

when i try logging into the switch through device manager it throws the below error: "busy network,no rout,snmpd unresponsive" The physical connections between the san switch and the network switch ...
4
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1answer
102 views

What's the difference between a Cisco 7613 Router and a Cisco 7613 Chassis?

I see both names referred to in the manufacturer's literature. Is one part of the other? Are they both the same thing? My reason for asking is that I'm trying to standardize an organization's ...
0
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1answer
63 views

Finding out the location order of tap interfaces in KVM VM (Libvirt)

I have inserted 8 tap interfaces in a Cisco Libvirt xml file that will create a guestmachine running Ciscio iOs image: <interface type="ethernet"> <start mode="onboot" /> <target ...
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1answer
135 views

Catalyst 2950 Unable to Ping Router

[This is now Fixed] I have a Cisco Catalyst 2950 running IOS 12.1(22) that sits behind a Watchguard Router / Firewall. I've just turned this on for the first time today, and it is coming off of a ...
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0answers
56 views

HTTP and SMB over Cisco LAN-to-LAN IPSec-VPN

we are connecting Cisco 887VA router with various other Non-Cisco routers. VPN tunnels are up and we can ping devices on the remote network through the VPN. However, we have a few devices (on the ...
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0answers
67 views

Cisco Auto Smartports on catalyst 2960-s

I have Cisco Catalyst 2960-s, I want to configure user defined macros on it. I searched a lot in Cisco documentation but its not for beginners :( How to create a user defined macro that runs when a ...
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0answers
159 views

Are my NAT rules in ASA 8.6 correct

I am working on converting some PIX rules to ASA 8.6 syntax. Do the following achieve the goal? Assumptions: outside's IP address is 66.66.66.5/29 The outside IP address I want things translated ...
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3answers
89 views

Cisco switch inter-vlan access

I have Cisco Catalyst 2960-s switch and I want to configure three Vlans (A; B; C) I want to : Allow traffic between A and B Allow traffic between A and C Block traffic between C and B or if ...
1
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1answer
603 views

How to configure a 2821 ISR to an asterisk PBX on a PRI line?

I'm trying to move my company's phone system from Cisco's CUCM to an asterisk solution. I have setup a PBXinaflash server, and setup an account with www.vitelity.com. I was able to get it working. ...
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0answers
47 views

Cisco ASA privilege level for object-groups

I'm trying to set-up privilege level 2, so that it has access to read and modify object and object-groups. Showing them seems to be no problem. I can also enter configure mode. I just can't get the ...
2
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1answer
269 views

How is my newer Cisco Switch finding the default gateway?

Is there something new that I do not know about with newer Cisco gear. In order to manage my switch I usually have to assign a VLAN 1 interface and add a default route (or ip default-gateway) to ...
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0answers
89 views

How do get multicast to work on a Cisco AP1240?

I have a Cisco AP1142N in standalone mode acting as a simple AP. On the wired segment of the LAN, there is an Apple TV that is used to mirror laptop screens to a large TV screen. As long as clients ...
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1answer
71 views

Can my cisco C220 run on 220v instead of 110v and if so, how do i change it?

We have both 220v and 110v power at our data center, but have more capacity left on the 220v circuit so i would like to put our new c220 server on it. What does it take to make this happen?
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0answers
33 views

Cisco 3560G interconnected via trunk link

I have 7 3560g switches connected via a trunked management vlan between them, problem is that I can ping an IP on one switch and it works, but can't ping the same IP on another switch without clearing ...
1
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1answer
78 views

Demystifying HP VC-FC 4Gb Module on c7000 Chassis

has anyone used the HP VC-FC 4Gb Modules before in a c7000? If so could you help me understand the "Connect To" column? It shows a WWPN, but when looking at our FC switch it is connected to I don't ...
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2answers
109 views

Random router load balance

It's my first GNS3 router configuration experience. There are 4 connected routers (they can ping each other). The routing protocol is router eirgp 10. This is result of show ip route on R4: D ...
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2answers
256 views

Cisco: Route Outbound SMTP Traffic on Same IP as Inbound

Have a few servers setup behind an ASA 5505, all is well, except for the fact that the ASA only sends the correct smtp outbound IP for the mail server domain itself. Any other domain that sends ...
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1answer
78 views

Cisco Catalyst 3560G telnet access

I currently have telnet access to switch. interface Vlan2 ip address 172.17.0.7 255.255.255.0 ! ip default-gateway 172.17.0.1 ip classless access-list 160 permit ip host 172.17.0.101 any line vty ...
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0answers
117 views

cisco SG-300 switch won't add Option82 during dhcp relay

I'm trying to get my SG300 to insert option82 information into relayed DHCP requests. switch#show ip dhcp relay DHCP relay is Enabled Option 82 is Enabled Maximum number of supported VLANs without ...
0
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1answer
86 views

route cisco sg300 traffic through Watchguard firewall

I need help in determining what I need to research. I have two cisco SG300 switches (sg300-52 & sg300-28) and a Watchguard firewall (XTM-23). The internet connection currently passes through our ...
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0answers
183 views

SSTP VPN connects, then disconnects

I'm trying to setup an SSTP VPN on Windows Server 2012 which works fine when I connect from the same subnet as the RAS server but does not work when I configure PAT or when I try to route the traffic ...
2
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2answers
162 views

Unexplained 0.1% packets time out when pinging from router

I'm troubleshooting a customer who requires the ability to send 5000 pings from the router to their remote site over a satellite link with zero timeouts, yet they keep experiencing one to five packets ...
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2answers
104 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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1answer
84 views

VLAN routing setup with VPN on Cisco ASAs

We currently have two ASA5515-X firewalls, what we want to do is dedicate one of them to providing AnyConnect VPN and two site to site VPNs only, with the second ASA handling firewall ACLs for ...
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2answers
65 views

Name of the tool to simulate packets on Cisco

On the CONSOLE of a Cisco router there was a command to create a "simulated packet", to check if it gets routed or not. It showed the internal steps the router would follow. It was great for ...
1
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2answers
197 views

Slow speed with Cisco 1721

I have a few Cisco 1721s and a WIC-4ESW. I was running another companies home router as my cable router, but decided to turn that into a wireless bridge and use my extra Cisco as my router. I ...
2
votes
1answer
169 views

Is it ok to use cat5e patches/jacks on cat6a cable for 10Gb

I understand that "technically" you are supposed to use cat6 cable jacks as well as cat6 patch panels. In practice I've seen cat6a plugged into cat5e patch panels, although I've never seen cat5e ...
1
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1answer
380 views

Cisco dual static default routes to WAN

I am trying to setup Dual WAN in our office because our single VDSL modem couldnt handle our web traffic any longer. So we now have two VDSL modems (Sagecom FAST2864) they cant go into bridge mode ...
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0answers
22 views

How to configure network policy to disallow specific users group access VPN and allow access to cisco devices via telnet? (windows 2008 r2)

I am using radius to authenticate VPN users, and access to Cisco devices. some users allowed to connect via VPN only, others allowed to connect via VPN and access Cisco devices. I want to add other ...
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1answer
62 views

Cannot ping Cisco Aironet 1130AG after rebooting Cisco 1941W

Okay I am currently setting up a Cisco 1941W and a Cisco 1130AG access point, The Access point is plugged directly into the 1941W Ge 0/1 I have configured them both so far that everything works fine ...
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312 views

How Windows establishes L2TP/IPSEC VPN connection without “IPSec ID” (group id)?

I have a third-party VPN server configured with only 4 credentials given to me: server ip, preshared key, user name and user password. Under Windows 7, i can easily connect to this VPN via standard ...
0
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1answer
87 views

Route maps on dual homed Cisco router

I have a Cisco 1801 on a remote site with dual WAN connections, with route maps to correctly NAT depending on which interface the traffic leaves via. I use IP SLA to adjust the default route from the ...
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0answers
40 views

2 cisco 1941's, high latency during low network load

We have a point to point connection between 2 cisco 1941, the weird thing is that during low bandwith usage we experience high latency (peaks of 200+ ms, when 8-20 is normal) we currently use a ...
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0answers
95 views

What MIBs do I need to communicate via SNMP with CISCO MDS 9148 FC switch?

I'm implementing some testing solution. I'm communicating via SNMP with CISCO MDS 9148 FC switch. I need to: Read interfaces status Set interface down Set interface up The question is: What ...