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The major provider of networking equipment. This is a generic tag to be used when no more specific tags are available. See the list of tags in Help Center Tag page.

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BGP configuration [closed]

I am trying to configure BGP configuration on 4 routers, which are on the same autonomous number. I have 2 LANs in different cities and have to establish communication between them through the WAN ...
Bibek Timalsina's user avatar
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0 answers
9 views

Increase Ports in Cisco Packet Tracer [closed]

I want to connect 30 PCs to a single switch in cisco packet tracer but there is only 24 Fast Ethernet ports switches available. Can anyone guide me how can I increase the ports of a switch or a switch ...
Zain-Rehman's user avatar
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1 answer
28 views

Import config to a new C9200

The task is to replace a legacy C2960X-24PD-L with a new C9200-24P plus its network module C9200-NM-4G. I couldn't find a document on migrating these two models directly so I decided to configure the ...
kebi's user avatar
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0 answers
13 views

CCNA Collision Domain can someone explain me [duplicate]

I started recently learning for the CCNA and today I learned about Collision and Broadcast Domains. As far as what i understood all devices connected to the hub share single collision domain and ...
Marko Kostic's user avatar
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2 answers
59 views

Cisco switch running multiple commands at once via remote server

I have a Cisco Catalyst 4500 L3 Switch and have a user called user1. Switch IP is 192.168.1.1. I have a server which IP is 192.168.2.1. I created a user in my switch and I can SSH into my switch ...
NomeEoleSem's user avatar
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1 answer
60 views

How to run 'show run' and enter 'conf t' without password via remote SSH

I have a Cisco Catalyst 4500 L3 Switch and have a user called user1. Switch IP is 192.168.1.1. I have a server which IP is 192.168.2.1. I created a user in my switch and I can SSH into my switch ...
NomeEoleSem's user avatar
1 vote
0 answers
29 views

How to capture switch generated traffic on Catalyst 4500X

I have a Catalyst 4500X. I want to capture traffic associated with the DHCP relay service which is running on the switch. I created the acl: Extended IP access list capture 30 permit udp any any ...
Appleoddity's user avatar
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0 answers
67 views

What is mean final version firmware ASA 5525-x

Please advise, when reading the “Release Notes for the Cisco ASA Series, 9.17(x) ” I saw the following: ASA 9.14(x) was the final version for the ASA 5525-X" But the current version of our Cisco ...
Глеб Щеголев's user avatar
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2 answers
37 views

ASA - Redundancy ISP in Multiple contexts

At the moment I am interested in the fault tolerance of the route to providers in Cisco ASA in multiple contexts. As I know, in one context you cannot track the route and change it, but the task is to ...
Глеб Щеголев's user avatar
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1 answer
33 views

Encapsulation overlapping issue in Vlan Router settings. How do i solve it?

How my setting looks like in the picture I use the gateway as the encapsulation for the router. But everytime i try to add "Developer vlan" (Which in Norwegian is Utvikler) Then i just get ...
Lars's user avatar
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2 answers
60 views

Built-in variable for cli commands in EEM (IOS-XE)

So i want to write an EEM that basically starts a seperate script where i check what user is logged on, to which group it belongs and then define if they can or cannot run the command. Example: event ...
Mario Jost's user avatar
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1 vote
1 answer
117 views

Cisco 9300 switch doesn't connect via SSH

I have a couple of switches that are trunked via a LAN cable from another switch. I noticed that these switches sometimes have a hard time to SSH into. I get the error: "Connection timed out"...
Rick151's user avatar
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1 vote
1 answer
60 views

Cisco BGP RTBH in EVPN fabric

I have Cisco basic EVPN fabric configuration in DC with two spine and couple of leafs using OSFP+iBGP for underlay fabric. My border leaf connected to my ISP using Vrf CUST. I want to configure RTBH ...
Satish's user avatar
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1 answer
52 views

Cisco nexus C93180YC-EX sflow configuration

I am running cisco nexus C93180YC-EX switch and I would like to enable sflow for collector. I did similar config on 9396PX model and it works but Nexus 93180 is little different. I am running NXOS 9.3....
Satish's user avatar
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32 views

Cisco Aironet 2800i Mobility-Express missing option for conversion

I hope this is an easy one. I'm scractching my head as there are 10-20 articles on how to convert from a capwap firmware to mobilty express for 2800/3800 all using the command: ap-type mobilty-express ...
Jim's user avatar
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1 answer
99 views

ASDM 7.20 doesn't work with script that works with ASDM 7.13

I have a script I wrote for Linux that enables me to use ASDM with Oracle Java 8. One version I know for sure works is 7.13.1 on an ASA 5516, but when I try the same script with 7.20.1 on an FPR 2110 ...
elyograg's user avatar
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1 answer
25 views

VLSM Error on Cisco Distribution Switch [duplicate]

I have created 3 VLANS which should not overlap but somehow are giving me overlapping problems. Any reasons why? Is the switch buggy? VLAN 10 10.1.1.0/28 255.255.255.240 Usable:10.1.1.0 to 10.1.1.15 ...
Xavier Lim's user avatar
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3 answers
66 views

Is there a difference between NetID and Network Address?

So i know the gist of it. Thanks to the help here Network Address i see as anything ending with 0 Example: 192.168.0.0 Broadcast Address i see as anything ending with 255 Example: 192.168.0.255 ...
Lars's user avatar
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1 vote
2 answers
124 views

Why are DNS packets processed by process-switched?

I have a question. Equipment: Cisco 2821 CEF is enabled on all router ports: sh ip interface | i CEF Post encapsulation features: CEF Packet Capture IP CEF switching is enabled IP CEF ...
Глеб Щеголев's user avatar
1 vote
0 answers
36 views

L2 Circuit ober BGP Signaled MPLS

We are providing MPLS Network services to Customers via Ethernet Links. Our CPEs (mainly Cisco) are linked via VLAN Subinterfaces to the PEs (Juniper MX). Due to the increasing demand of Multiple ...
Andreas Schaefer's user avatar
0 votes
1 answer
82 views

Logic of subnetmask 255.255.255.252 networking in Packet Tracer

We have an assignment to connect computers to each other using this system. I tried changing from FastEthernet to GigaEthernet and then adding this cross connection. Which our teacher says is the ...
Lars's user avatar
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0 votes
1 answer
43 views

Cisco catalyst 6500 not assigning static dhcp assignments to a couple of devices

in the following question cisco catalyst 6500 not honoring static ip assignments I had been able to get 16 out of the 20 devices im working with to honor the static ip settings. 4 devices are for ...
Kendrick's user avatar
  • 373
1 vote
1 answer
25 views

Cisco QSFP loopback device recognized but 'not connected' with status light off

I have tried plugging a QSFP28 loopback device into port on a cisco switch. I can see that the chip is recognized when I do 'show interface status' as I can see the model listed but it is 'not ...
Louiee's user avatar
  • 41
1 vote
2 answers
106 views

Can the Cisco SF302-08 switch support IP routing capabilities?

I'm currently working on configuring inter-VLAN routing on a Cisco SF302-08 switch. I've already enabled Layer 3 routing, created the VLANs, assigned them to switchports, and configured the switch ...
mema's user avatar
  • 11
-1 votes
2 answers
165 views

Why is inter-VLAN communication not working in my network set-up in Cisco Packet Tracer?

I have created a simple bus topology connecting 2 switches and a router, with each switch connected to their respective end devices through ordinary star topology. The switch model used was 3560-24PS ...
Trineshen's user avatar
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0 answers
59 views

Cisco Console Cable DIY

I received today a cisco cap3702i-e-k9 access point, but sadly i dont have any console cable that i can use. Only things i have for now is PL2303, maybe i can combine it with something. Hello. I ...
Henryk Lis's user avatar
1 vote
1 answer
57 views

Why will specifying the outgoing physical interface work for a static route with IPv4 and not for IPv6?

When setting up loopback interfaces with IPv6 addresses with static routes between two directly connected routers through their interfaces. It does not work to specify it with the outgoing physical ...
Calvin Broadus's user avatar
0 votes
2 answers
108 views

Verify brand name of installed SFP on Cisco Switch

I know I can run the sh inv to view the SFPs model and Serial Numbers attached on a Cisco Switch. Is there a way to verify the brand name of each SFP? I have Cisco 9300 and 9606 switches.
Rick151's user avatar
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0 votes
1 answer
119 views

Too many mac addresses in a switch - Cisco Packet Tracer

The image of a network im refering to is above. In Cisco Packet Tracer after having used a command ping 192.168.1.3 from pc1 to pc3, when I check mac addresses in both SW1 and SW2 using show mac ...
pieceofpaper's user avatar
0 votes
1 answer
91 views

Problems with twice-NAT on Cisco 3548

I'm trying to get Twice-NAT working on a Cisco 3548 switch. I have a VRF set up with 2 L3 ports on it - Eth1/33 has ip address 20.20.255.250/16 and is nat inside Eth1/34 has ip address 10.10.1.211/24 ...
Kevin's user avatar
  • 101
0 votes
1 answer
80 views

Can't ping between cabled interfaces on different VRFs on same switch (Cisco 3548)

As an experiment I've created a non-default VRF, directly cabled between an L3 port on the default VRF and an L3 port on the non-default VRF, and am trying to ping between them. Neither interface can ...
Kevin's user avatar
  • 101
0 votes
1 answer
118 views

Best practice for SWV and DAD Cisco 9400

I have 2 Cisco 9404R chassis. In each chassis I have: 1 x 48p 10 Gig ethernet -> slot 1 1 x 9400X-sup-2 -> slot 2 & 3. I know that I should configure Stackwise Virtual between only 1 SUP ...
Lars Karlsson's user avatar
0 votes
0 answers
72 views

Is there a way to gather data of Optical Module Status and the CPU Utilization through SNMP protocol?

When using the snmpwalk command to query a Cisco SF302-08PP switch with the -c public community string, am not able to find data related to Optical Module Status and CPU Utilization. I am trying to ...
mema's user avatar
  • 11
1 vote
1 answer
138 views

cisco BGP command: network without mask

My topo is as follows, following is my configuration, although bgp command network is without mask, it could advertise classful address 10.0.0.0 R1#show ip route Codes: L - local, C - connected, S - ...
Ben's user avatar
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0 votes
0 answers
24 views

Route summarization first IP address in block [duplicate]

I am not understanding how to determine the first network address or "first IP address of block" per Cisco Press documentation when summarizing routes/subnets. I am clear on how to get the ...
humbleStrength's user avatar
0 votes
0 answers
13 views

Fast port connection and ability to daisy chain unmanaged switches on Cisco Catalyst [duplicate]

I have a Cisco Catalyst 2960-S that I use in a home environment. In the configuration I currently have (very basic, basically just switchport mode trunk on upstream and switchport mode access on reset ...
drcomputer's user avatar
0 votes
2 answers
841 views

Is it safe to enable jumbo frames on switches in general

Can any harm occur by simply enabling jumbo frames on your switch infrastructure? I understand that in a given flow from one machine to another all participants need to support jumbo frames to arrive ...
ericx's user avatar
  • 153
0 votes
0 answers
58 views

noob learning cisco

I'm trying to teach myself how to use cisco devices. i was given an router, switch and firewall. so far i been able to set up vlan and have intra vlan routing working. My issue is having the switch ...
Stu Villanti's user avatar
0 votes
1 answer
53 views

Build custom image for CISCO devices

Do CISCO devices support custom image building or deploying custom plugins? OpenWrt has such feature.
BrilliantContract's user avatar
0 votes
0 answers
122 views

Cisco: 9606R Switch Firmware update

I have updated my other Cisco 9300 switches, but am a bit confused on how to even select the right firmware for my Cisco 9606R Core. If I run sh ver it displays the following: Cisco IOS XE Software, ...
Rick151's user avatar
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1 vote
1 answer
80 views

The TTL and packet drop [duplicate]

I would just like to verify one thing. When a router receives a packet with a TTL of 1, the router can still process and accept it if its destined for itself, correct? Because for example, eBGP ...
Mitrixsen's user avatar
  • 803
0 votes
1 answer
101 views

Looking for sanitized Cisco IOS XR configurations

I'm looking for someone who can answer with a sanitized Cisco IOS XR text configurations. These configurations will be used to test ciscoconfparse config parsing, specifically to start working on ...
Mike Pennington's user avatar
0 votes
2 answers
177 views

Setting FortiGate HA Firewall

I need some advice and guidance regarding setting up the FortiGate HA, My question is focused on WAN side of configuration (not A WAN expert), below are highlight environment 2 ISP WAN-A / WAN-B ...
KurdTech's user avatar
0 votes
2 answers
81 views

Interface is down/down but internet works

I am managing a network at my company. A patch panel provides connections to the switch, which is connected to the router. One of the connections on the switch does not display a blinking green light. ...
Jossie Calderon's user avatar
0 votes
1 answer
49 views

Disable the --more-- prompt in Cisco CLI

show startup-config: ! line con 0 login local length 0 line vty 0 exec-timeout 0 0 login local length 0 line vty 1 4 login local length 0 line vty 5 15 login local length 0 ! However I still get ...
Jossie Calderon's user avatar
0 votes
2 answers
178 views

How to apply a Route-Map to a NAT connection

I am following a tutorial about route-maps on youtube. https://www.youtube.com/watch?v=2YlsXcT1Pjw There is this topology. The default route on R1 points to 10.10.10.2 In the video he just shows how ...
mbrain's user avatar
  • 15
0 votes
1 answer
60 views

Configuring multiple public IPs in Cisco 881 to forward private IPs with tags while bandwidth balancing [closed]

The ISP is sending four tagged public IPs (VLAN 30) through one WAN cable. Currently, this cable is connected to a switch that recognizes the tag and distributes it appropriately. Naturally, a router ...
Wilhelmroentgen's user avatar
-1 votes
1 answer
40 views

Cisco VLAN Taking up Entire Subnet

I have a default vlan 1 that has an IP configuration of 10.20.11.0 with a subnet mask of 255.255.255.0. I have an AP 10.20.11.55 that I want to place on its own VLAN because I intend to make this AP ...
Jossie Calderon's user avatar
0 votes
1 answer
58 views

How do i add a gateway for a L2TP Tunnel?

Maybe the question title is kind of odd but i dont know how to describe my problem. I have this setup. [Client1]=eth1= --> =fa1/0=[ R1 ]=fa0/0= -- |...
mbrain's user avatar
  • 15
0 votes
1 answer
150 views

Cisco IOS Privilege Escalation Vulnerability Workaround

For this Cisco vulnerability that they have discovered it states that If the ip http server command is present and the configuration also contains ip http active-session-modules none, the ...
The Footsie's user avatar

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