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1answer
32 views

cisco7200 router responds to icmp messages not addressed to it

I am trying to play (in GNS3 if that matters) with a very simple topology of three routers connected via hub. The time I am trying to ping from one of the router to another say R1 to R2. The R3 ...
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0answers
17 views

Cisco sg300 Home Lab Issues [on hold]

I have a lab with a VMware ESXi server, a client PC, and a Cisco SG300 with multiple VLANs configured in L3 mode. The PC is in VLAN 239 (the lab subnet), and the server is in VLAN 241 (the "server" ...
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0answers
7 views

Cisco aironet roaming issue

Since a couple of weeks I've been having an issue with a few Cisco Aironet AP's. When a client connects (Symbol handscanners) the connection establishes just fine and you can see pings being ...
2
votes
1answer
69 views

How to troubleshoot a MAC flapping between switch ports. (Cisco)

I'm working on a rather small Layer 2 network segment that contains a physical loop. (I have included a picture of the topology below). The core switches are stacked 3850s. The other switches are ...
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0answers
15 views

Windows 7, 64 bit, Office 2013 [on hold]

July 2016 - I got Cisco Any Connect Secure Mobility Client v 4.2.03013 pushed on us at work. We have Windows 7 64 bit. This is causing us to loose all network connectivity. This is not my strength so ...
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0answers
14 views

CISCO: Use Specific Outbound IP For Locally Initiated NAT-ed Connections

I have a CISCO 2911 router, multiple public IPs and few servers. I have setup my router (ROUTER1) to be accessible through internet-accessible public IP (lets say) 190.0.0.250 and its local IP to 10....
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0answers
6 views

Use a Cisco 1140 to bridge to a cellular wifi hotspot? [closed]

I'm wondering if it's possible to configure a Cisco 1140 as a bridge to a cellular wifi hotspot? More specifically, assigned to a VLAN back to the firewall? What I'm trying to do is route specific ...
2
votes
1answer
25 views

Cisco ASA Site-To-Site VPN change peer IP

We use Cisco ASA 5510 and I have to change peer IP address on the current Site-To-Site VPN. Every time when I have similar issue I deleted current vpn and then create new one from scratch.After ...
2
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0answers
42 views

Squid3 WCCPv2 with ASA not working

So I have begun the awful adventure of getting Squid 3.3.8 working with my Cisco ASA 5520 (9.1(5)). I think the problem is that the traffic is getting to the squid box but it is either not getting to ...
0
votes
1answer
31 views

Monitoring SNMP network interfaces on zabbix

Some network devices have a lot of interfaces to be monitored, Is there way for zabbix to index them and create items and graph for each interface automatically(not the right word)? I hear that ...
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votes
2answers
17 views

Bad mask /30 for address in Router Cisco (Packet Tracer) [duplicate]

HQ>enable Password: HQ#config terminal Enter configuration commands, one per line. End with CNTL/Z. HQ(config)#int s0/0 HQ(config-if)#ip add 209.165.201.3 255.255.255.252 Bad mask /30 for ...
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0answers
10 views

Changing hostname on a Cisco spa504g (FreePBX)

Anyone know how to change the hostname using FreePBX's commercial module End Point Manager on a cisco spa504g? I keep coming up short handed... Any help would be extremely appreciated.
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0answers
27 views

Slow NIC Speed on 2 Dell Servers

I’m getting very slow NIC speed (both LAN & WAN) on two Dell R610 servers. I have multiple other R610's with same specs, connected to the same Cisco 3750 switch and they're fine. I've done a lot ...
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0answers
16 views

How to enable information logging for all traffic - Cisco ASA

How do I enable information logging for all traffic in the Cisco ASA. I do not want to manually go to each rule and set the logging to informational (right now on default)? Also if I do this will ...
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0answers
28 views

Cisco 6500 - spike of DHCP_SNOOPING-4-QUEUE_FULL causing clients to lose connectivity

Today we had an incident that started with people complaining they couldn't connect to our wifi after coming back from lunch. Long story short, clients were no longer able to get IP addresses from ...
1
vote
1answer
37 views

Etherchannel / Inter-vlan issue

I have two Cisco 3850 switches (3850-1, 3850-2). I have VLANs 1,2,3,4,5 setup (192.168.1.0 - 192.168.5.0) using built in DHCP from 3850-1. 3850-1 is 192.168.1.3 3850-2 is 192.168.1.4 I have an ...
-1
votes
1answer
28 views

What kind of emulator can i use to learn Cisco Router Configuration? [closed]

I am going through my CCNA materials. I came across this one topic called configuring the router. Now, i don't have a Cisco Router but i still want to go through the commands and see the results live. ...
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0answers
6 views

Querying counters and interface name from cisco router is getting wrong results

using cisco switches, I am trying to connect the output from ifHCInOctets to the names of the interfaces via ifName and comparing it to show interfaces counter. I use the last number behind the ...
0
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2answers
35 views

Why is my Cisco 1941 not able to perform higher than 60Mbps consistently?

My office has a 150Mbps synchronous fiber, burstable to 250Mbps. Based on a document I found, my Cisco 1941 is capable of 153Mbps MAX: http://www.cisco.com/web/partners/downloads/765/tools/...
1
vote
1answer
20 views

Cisco ASA: Part of the traffic via VPN is blocked

We inherited the management of an ASA 5520 running IOS 8.2(3) from a previous company, and now we are switching the connectivity to a VPN from a LAN link directly connected to one of ASA interfaces. ...
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0answers
28 views

Cisco ASA VPN DH Groups for AWS VPC

AWS provides a neat function in its VPC that exposes a VPN service. I've configured this, and confirmed that it functions. Our customer is using a Cisco 5500 Series ASA appliance to connect to the ...
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0answers
37 views

Cannot ping wan gateway from cisco router

We recently had a new Ethernet connection installed and were given the WAN IP address, subnet mask and gateway needed for the connection e.g. IP 1.2.3.50 MASK /30 GW 1.2.3.49 When I put ...
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votes
1answer
44 views

Can I use a HBA to connect to Internet

I recently got a QLogic QLE2460 network card which seems to be a Host Bus Adapter. Can I somehow use it as a network interface (NIC) between my server/workstation and a Cisco Catalyst switch with ...
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0answers
9 views

Convert 8.3+ NAT to 8.2 Cisco ASA

The following NAT rule setup works on 8.3+: nat (inside,outside) source static inside_net inside_net destination static vpn_net vpn_net no-proxy-arp route-lookup However, trying the same on 8.2(5) ...
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0answers
13 views

Route between E1 devices

I have this topology and I need to configure routing between my CISCO 2911 routers to connect my devices, that are using E1 without any timeslots separation.
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0answers
25 views

More Management VLANS for a switch

I created a management interface in vlan 99 to telnet the switch (2900 series). I also wanted to configure another management interface for the same switch from the computer belongs to the different ...
0
votes
1answer
40 views

Two subnets, two DHCP servers. How to stop both DHCP servers from responding to requests from both networks?

I have an environment with two subnets 192.168.1.x/24 and 192.168.2.x/24 Each subnet/network has a Cisco RV082 router as the gateway and a domain controller in each environment that also has a DHCP ...
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0answers
37 views

Cisco ASA 5505 Issue - “Flags SYN on interface..”

I've been trying to remotely configure a Cisco ASA 5505 in front of a dedicated server hosted with OVH. Unfortunately my qualifications and even experience very rarely touched on Firewalls. However I ...
0
votes
1answer
41 views

IPv6 Subnet Delegation

I'm a bit confused on how to calculate IPv6 numbering. I have a /32 now and a VPN client that wants 6 x /48 from that /32. Could someone please simplify on how I can determine the points of the /32 ...
0
votes
1answer
19 views

Packet don't flow over Cisco VPDN (PPP) when using RADIUS

I've extensively searched for everything I can think of regarding this subject online - I hope I'm just missing the obvious. This has been bugging me every evening for 2 weeks now. (It's a Cisco ...
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0answers
14 views

cisco switch: port-security mac address sticky with an access point?

how can I secure a switchport where an access point is connected? Of course I can't use switchport port-security mac-address sticky otherwise my WLAN clients would not be able to connect. Or am I ...
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0answers
21 views

Two users behind same NAT (PSK or EAP) - strongswan

I have a strongswan implementation and am running into an issue where when there are two users behind the same NAT, the second one "kicks off" the first one. I was able to resolve the issue using: ...
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0answers
14 views

How can I set SNTP to my existing CISCO SG 300 switch network?

I have a CISCO SG 300 Switch network. The time on those switches resets every time due to power failure. How can i maintain SNTP in my network? Can I use a CISCO SG300 as SNTP server? regards, ...
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0answers
10 views

Logging NAT translation errors on Cisco IOS router? (port scanning, bogus 'established' packets)

We have a NAT setup with port mappings to internal Webservers and DNS servers. If someone tries to connect, say, to port 22 (SSH), then those packets are dropped simply because there is no static NAT ...
0
votes
2answers
89 views

Is it possible to configure a Cisco AnyConnect VPN to use two separate LDAP authentication methods simultaneously?

I have a Cisco ASA 5505 with a Security Plus license along with an AnyConnect Plus license. I don't currently have any VPN configuration on the ASA as I'm still in the planning phase. I would like to ...
0
votes
2answers
58 views

“route” sub-command does not exits in “ip” command on Cisco 2960-S

I am new to cisco. I'm running a Cisco 2960-S and defined several VLAN on it. I like to use SVI feature and set 192.168.1.254 ip address for interface VLAN 1, 192.168.2.254 for interface VLAN 2 and so ...
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0answers
10 views

CISCO ISE Identity Management Group assignment

The Scenario in Brief Three types of devices can exist on our wireless networks: AD joined, corporate owned (Windows PC/Laptop/Surface) Non-AD Joined, corporate owned (iPad/Chromebook and their ...
0
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1answer
41 views

Rate Limit VLAN interface | Cisco Nexus

How to do QoS in cisco nexus for Rate limit. In cisco Routers , we will be creating a policy map and calling it in service_policy in VLAN Interface Ex: Policy-map Policy_2Mbps class class-default ...
0
votes
1answer
55 views

Cisco 887VA router ADSL configuration

I am attempting to setup a Cisco 887VA to connect out to the internet via a basic ADSL connection. I have configured it to the best of my ability but its the first one I've ever done and I think I may ...
0
votes
1answer
59 views

DHCP on Meraki MX64 or Windows Server 2012R2?

I'm new to the Cisco world and I would like some advises. Currently I'm configuring a Windows Server for a small bussiness (less then 50 users). Normally the Windows server would have the AD, DNS and ...
-1
votes
1answer
28 views

How to run a separate internet connection between two switches over fiber

At my office we currently have a data center where our corporate connection runs from a core switch over a fiber connection to a closet with a few switches in it on the other side of the building. I ...
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0answers
86 views

How to allow authenticated User to relay on a Cisco ESA C170 (iron port)

I'am trying to configure my ESA C170 and all works as expected. But now I want to add support for relay function for authed external user. I add a SMTP Auth Profile against LDAP that works. Next Step ...
0
votes
1answer
25 views

Cisco 1921, SMTP, and NAT on multiple Exchange Servers

In a LAN environment, I have 3 exchange servers that have been deployed for high availability and failover in case one of the 3 servers becomes unavailable. Currently, my NAT settings only send ...
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0answers
30 views

CISCO router VPN configuration

I have a site to site VPN connection configured between 2 offices. The remote site connects to the internet via the Head office. However, this has been configured to connect through a proxy server. ...
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0answers
19 views

GNS3 - Connecting Emulalated IOS to TWO PHYSICAL networks

I have a CISCO c3725 router on GNS3 connected to two different and separate unique LANs via the CLOUD/HOST icon, attaching each of the virtual CISCO c3725 to my computer's physical NIC (NIC 1 and NI2.)...
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0answers
16 views

Checking RadHuntGroup And Radgroupcheck to login specific NAS

I am actually setting up a FreeRADIUS Version 2.1.12, server that will manage authentication Users Cisco Switchs in company .. and i have one problem : I need to create some accounts that can be ...
0
votes
1answer
42 views

Cisco 3750G: Tagging and untagging traffic on a port

I have the following setup: [phone]-~-~-~-(port-10)[Cisco 3750](port-24=trunk)----[servers] I want the phone to talk only on vlan (say 1940), where-as Cisco switch to untag/tag its traffic, as goes ...
0
votes
1answer
17 views

How can I have one network card that allows traffic between two private networks?

This is a a question about a private network. I have two servers (Linux), srv1, srv2, each has one NIC. I have two switches (Cisco 3750), sw1, sw2 The servers are on two different subnets. srv1 is ...
8
votes
0answers
164 views

How come one of my switches is off by two minutes in spite of ntp?

I just noticed by pure chance that one of my Cisco 4500 switches has its clock going wrong: it is more than 2 minutes behind in spite of seemingly functional ntp. In my opinion, even a single second ...
0
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1answer
31 views

Port Forward on Cisco ASA 5512-X

i would to improve port forward from an external host to an internal network, on my ASA. The network and the host are on two different interfaces, the internal network is on the internal interface g0/...