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Questions tagged [cisco]

Cisco is a provider of switches and routers to commercial consumers. Cisco devices run IOS or NX-OS operating systems. 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
11 views

How can I disallow access to a specific ip within a LAN?

My Network topology looks like this: PC1------- PC2-------Switch--------Router-PT PC3-------2960-24 PC4------- What I try to accomplish is: No PC is allowed to ping PC3, but PC3 is allowed to ping ...
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0answers
16 views

How can I advertise routes in BIRD?

I am trying to advertise some routes from my bird server to my Cisco router, I already have a neighbor relationship with my Cisco router, but I am not learning the advertisement networks from bird. My ...
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0answers
15 views

OSPF isn't working in bird

I trying to configure a simple point-to-point OSPF between a linux server and a cisco router, but didn't work... I can see the hello going from the router to the server,but I can't see any hello from ...
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1answer
6 views

Strongswan: “received NO_PROPOSAL_CHOSEN error notify” while connecting to Cisco Router

I'm trying to establish an ipsec connection from a raspberry pi with Strongswan (Linux strongSwan U5.5.1/K4.14.50+) to a Cisco Router. This is the Strongswan output: root@raspberrypi:~# ipsec up ...
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0answers
5 views

How can I match conditions when I show arp? [migrated]

In my Cisco Router I check the arp: Router>show arp Protocol Address Age (min) Hardware Addr Type Interface Internet 192.168.1.1 - 0001.42D2.AE01 ARPA ...
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2answers
39 views

Basic QoS bandwidth for all devices/clients

I have an IP network that has about 500+ clients on the network at any given time. The network uses a Cisco 1941 router as it's gateway, and has 5 different subnets. The network also has 2 DCs, a ...
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0answers
18 views

Multiple routes from router advertisements

Consider the following simplified setup: All devices are IPv6 enabled. Interfaces are configured in a way that we have 3 networks as shown. Router advertisments are enabled on both routers R1 & ...
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1answer
17 views

Azure VPN Site to Site VPN (Azure to Cisco)

I configured a VPN IP Sec tunnel from VPN gateway in Azure to Cisco Router to customer end. created vpn gateway created local gateway config and connected successfully to a cisco router at customer ...
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0answers
23 views

How do I configure remote connection to wireless LAN controller through a firewall?

Sorry if my question is probably too broad but I don't know a lot about this stuff. I have this WLAN network diagram (where the fritzbox is a router and the sonicwall is a firewall). So I want to ...
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0answers
17 views

Asterisk ignoring incoming calls with caller id

I have an Asterisk system which has been functioning perfectly well for about six months and now we want to add incoming caller id. We got the service from our phone company; we see the caller ID ...
0
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1answer
54 views

Can not create sub-interface in Cisco CGR 1240

I follow a tutorial, there shows the method of create sub-interface: but in my actual situation, I can not do this: Router(config)#interface gigabitEthernet 2/1.100 ...
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0answers
16 views

Cisco Firewall ASA5515 port configuration

Can someone indicate how to configure a Cisco firewall ASA5515 for the attached network? I did the following configuration but it's not working, I'm not able to ping from both ends, I can only ping ...
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0answers
53 views

Cisco Switch QoS for Voice

I have a Cisco 300 switch where I am using IOS/CLI to configure Quality of Service. The goal is to make sure that voice traffic is always prioritized over data. When I go in to configure the policy ...
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0answers
14 views

Using Cisco switches out of the box

If I use a Cisco Catalyst 3850 switch out of the box without any configuration, does it still work on its default settings? I have a few Cisco Catalyst 3850 switches, where the 1G ports are connected ...
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0answers
49 views

Traffic burst in cascading Cisco switch configuration

I'm using 2 Cisco Catalyst 3850 switches (Sw1, Sw2) and 3 Cisco Nexus switches (Sw3, Sw4, Sw5) as part of my internal network, connected in the manner below (A, B, C, D, E, F represent 10G ports, i.e. ...
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1answer
26 views

Printing from wireless clients to LAN printer

BACKGROUND I experience a massive problem with my RICOH MP C4504 printer connected to a LAN cable. It fails to print (there is no error message, looks like it never reaches the printer) while I am ...
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0answers
13 views

Packets not routed via IPSec tunnels

I'm running Brocade vRouter 5600 based on Vyatta. I've got 2 gateways running in high availability, and they've run in a couple of years working fine. I'm trying to setup a VPN/IPSec on one of my ...
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0answers
37 views

CISCO 2960-X mac filtering issue (mac Blocked even it is permitted)

I have a weird issue, I created a mac access-list with the list of all permitted mac-addresses. It is working on all except one machine, once the access list is configured on interface, the connection ...
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1answer
98 views

Cisco Switch Port Routing

There's a Cisco 3560-24PS-S, and I need to configure it. I'm not a certified network expert, but I have some basic understanding of how the switches and routers work. The plan is to connect a BMS ...
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0answers
47 views

Anyconnect VPN Client Command Line help for VBS

I am trying to fix my companies script to connect to the VPN and was looking for some help. We were using the old Cisco VPN client for our join domain script but now we moved to anyconnect and windows ...
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0answers
12 views

Difference between Cisco Nexus 3064X vs 3064PQ?

I am specifying some refurbished hardware for use in a test lab but am struggling to find the difference between the Nexus 3064PQ and 3064X. Looking for the 3064 which has 48 x 10Gbe SFP ports and 4 ...
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0answers
21 views

Error Installing Certificate - Cisco WLC - Password protected PEM

So I will start with saying, I'm not good at all with certificates, I got this .pem file that I'm going to upload to a WLC for Webauth, since the old one is from GeoTrust. At first the .pem didn't ...
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0answers
27 views

Configuration Backup in JUNOS using TFTP

Is there any way to auto backup in Junos using TFTP like Cisco.. I can't find any specific documentation like this.. I have already did it in CISCO XR router by using those command: (config)#...
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0answers
14 views

cisco 881 double nat (gre tunnel)

I have cisco 881 and I would like to have double NAT. Also I need to have GRE tunnel. I set up next lab (look at picture topology). I can set up NAT from 192.168.0.0/24 to 192.168.13.0/24 interface ...
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0answers
17 views

Python 3 Script delete old or unused IOS files

I am want to develop a Python 3 script that I can use to clean up old Cisco IOS image files (bin files). A major issue for me is there is more than one bin file. Secondly, I do not want to delete the ...
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1answer
63 views

OSPF - default-information originate : multiple routers

I receive a default route via iBGP from R1. On both R2 and R3 I have default-information originate configured. On R4 I only see one default route in the OSPF database; either to R2 or R3. When I ...
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0answers
9 views

How exactly wifi controller manage users between access points?

There are a lot of WiFi controllers on a market. And I think all or most of them work the same way. One of the important features of the controller is that they somehow make it possible for users ...
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0answers
23 views

Cisco 2901 copy running config timed out error

I am trying to copy the running configuration from a Cisco 2901 onto my PC to have a backup copy in a text file. I am connecting to the 2901 using PuTTY. Using the command copy tftp run I try to ...
0
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1answer
41 views

Cisco AIR-CAP702W-K9 enable lan ports

The 702w's have four LAN ports which are disabled by default. I'm trying, on the autonomous image (15.3(3)JAB), to enable the ports. I've tried following the official guide from Cisco, but fail to ...
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0answers
19 views

List all p2p interfaces in Cisco nexus

I am trying to list all p2p interfaces in a Cisco nexus device, but I cannot find the command. I have tried to look at the command reference but it does not show any p2p interface command. I have used ...
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0answers
22 views

Two ISPs for two different VLANs with CISCO ASA

I am deploying a CISCO ASA 5506X as part of larger network segmentation and cleanup to improve security. Currently we have two SOHO routers connecting to two different ISPs. One handles strictly ...
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0answers
29 views

Cisco SNMP vmVlan OID result

I sent vmVlan (1.3.6.1.4.1.9.9.68.1.2.2.1.2) OID to a Cisco 3750 switch. This is list of vlans: Take care of interface FastEthernet 2/0/45 - 48. These interfaces isn't in response list of vmVlan. ...
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0answers
13 views

Is there an easy way (via CLI) to identify the WLC an AP is connected to?

this is my current situation: In our Company we use Cisco Acess Point and Wireless Controllers in various Countries. Due to a license-shortage we have more and more APs registered to WLCs in different ...
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0answers
23 views

Windows Server 2008 - Strange Network Connectivity (Firewall)

So we had a network outage last week for a few hours and it caused windows server 2008 r2 to be showing 'no internet' with a yellow exclamation mark. The server has 2 interfaces (on same network), ...
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0answers
16 views

ASA same-security level (or now) and access lists

On ASA I got two interfaces with same security LAN, and LAN2. I want only specific traffic to pass from LAN to LAN2. Let say that I want to pass 10.0.0.0/12 but block 172.16/12. How to achive this? ...
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1answer
51 views

New computers can't connect to the network

Good Morning, We have a business environment in which we have 3 Cisco 3850 PoE stacked and We manage our DHCP through our DC server. Last weekend our UPS had a failure and switched off all outputs, ...
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0answers
64 views

Cisco Bridge and MAC address blocking

I have two locations connected with two Cisco 861 routers. They are connected using a bridge. The subnet is the same 192.168.100.x.The routers are on E-line connection from provider. Location A is ...
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0answers
32 views

WCCP Active/Standby Cisco 6500 & Bluecoat ASG

We are implementing Blue Coat ProxySG-200 to do HTTP and HTTPS accelerations, interceptions, and web content caching/filtering based on WCCP mechanism. We have redundant Catalyst 6509 doing Layer-2 ...
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1answer
49 views

DHCP snooping - my clients dont get ip from dhcp

Why the PCs don't get ip from Core switch Dhcp pool? without dhcp snopping there is no problem, but when i enable dhcp snooping clients stoping to get ip from dhcp. This is my topology: topology ...
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0answers
33 views

cisco ASA/vpn configuration

The client has a site to site VPN connecting two offices and Remote Access VPN to access each office. When owner uses VPN client establishing connection to one of office (OfficeA), he can't RDP to the ...
0
votes
1answer
103 views

Connecting two 1Gb switches 100ft apart via 10Gb SFP

I need to connect two suites in the same building that will be about 100ft from data room to data room. Suite #1 has a 1Gb switch and our various servers etc are connected to this switch Suite #2 ( ...
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0answers
28 views

Cisco Serial Connection issue

So I have been trying to get into my Cisco switch without the password, which involved power cycling the switch and pressing the mode button, prior to doing this I was able to type in Putty console ...
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0answers
27 views

Sonicwall, Cisco SG200 Vlans

Hoping someone can shed some light on my lack of Vlan knowledge. My current setup is as follows... NSA 2600 Sonicwall router 3 Cisco SG200 50port POE switches (let's call them Switch A, B, and C) ...
4
votes
2answers
143 views

Monitoring for most recent version of Cisco Adaptive Security Appliance (ASA)

How does one automatically check if your Cisco ASA is running the most recent or non-vulnerable version with external monitoring? With SNMP, you can get the version number of an ASA: $ snmpget -v2c -...
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0answers
36 views

Cisco Catalyst 3750G series PoE-48 - Private VLAN

I'm working on a Cisco Configuration for the first time and I've run into a problem where the Vlans do not appear to be working correctly, the ports on the switch should be configured to the ...
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0answers
50 views

How to configure a management IP address on a router on a stick?

I'm setting up a simple Router on a stick following this tutorial (https://www.youtube.com/watch?v=2_xpsk-uRug&t=338s) The actual routing part works fine, however, I'm struggling to assign the ...
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1answer
933 views

ASA Can ping between subnets, but not pass IP traffic (access rules in place, security levels ok)

I have tried getting my ASA to route traffic between subnets, i got it working for 10 minutes but after some changes (unfortunately not an ASA expert) i have broken something. One example is 192.168....
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0answers
122 views

Cisco CIMC “forgets” settings on power loss

I have a Cisco UCS C200 M2 server, and CIMC forgets every setting(which NIC to use, IP settings, admin password, etc)when the server is unplugged. I replaced the CMOS battery on the motherboard, and ...
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votes
1answer
73 views

Unable to configure NTP on Cisco Switch ws-C3560x-48p

I want to sync time of Cisco Switch (ws-C3560x) with AD server. After following configurations the time is not synchronized. Pl guide. #show running-config | include ntp ntp logging ntp server 150....
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0answers
304 views

VPN Tunnel - Crypto map policy error

Good day! GCP reports the following error: The peer gateway notifies: Proposal mismatch in CHILD SA (phase 2), Please look at peer logs. On the ASA 5505 side I'm getting: Map Policy not found for ...