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Cisco / Meraki router suggestions [on hold]

We have an old Cisco 2900 router now. I've been tasked with finding a replacement for it. I'm looking for Cisco or Meraki routers, it should be able to do VPN, we're a medium sized company with ...
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1answer
26 views

IPSec Tunnel not coming up: Issue with ACL?

I'm trying to bring up a IPsec tunnel between router and a bridge. I can see the Ipsec tunnel configurations are up and running but I think I have made a mistake in the ACL and hence the encr and decr ...
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0answers
21 views

Slow IPV4 TCP (SSH) connectivity from windows [on hold]

I've been experiencing an 20+ seconds delay on my SSH connectivity from Windows laptop to my servers. SSH from Local Windows IPv4 to Local servers is fine or instantly SSH from local Windows IPv6 to ...
4
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1answer
223 views

Whether the Vlan10 and Vlan20 in the Center Router are two virtual router interfaces?

I have a ISP 4321 Router in my Cisco Packet Tracer. and I added a NIM-ES2-4 module in the Router, that provides four switching ports. and now, I configured two VLANs to the two switch port of them. ...
5
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0answers
51 views

Cisco BGP Graceful Restart behavior

In our environment we generally have ASR-1000X-2s everywhere peering via iBGP/eBGP. These routers have no redundant RPs, hence cannot keep forwarding traffic while the router reboots or crashes. As ...
2
votes
1answer
30 views

Set password of a Switch to “C?1sc0” using CLI in Cisco Packet Tracer

I have been asked to set the password of a Switch to "C?1sc0" in Cisco Packet Tracer. The problem is that when i type "?" in CLI it prints out: Router(config)#enable password ? 7 Specifies a ...
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0answers
25 views

VPN question on Cisco and Juniper

I have a Cisco 2900 router configured with VPN (this was done before I joined the company). I have a Juniper SRX550 that I'm configuring VPN on. I double checked with the Juniper support that all ...
2
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2answers
57 views

Noobie network question: connect routers across floors

I have a Cisco router and a Juniper SRX550 sitting next to each other. The Cisco router is on two networks, and the SRX550 is on 3 networks. Since they're close, I could connect them directly? If I ...
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1answer
31 views

Is there any router port module of the Cisco Packet Tracer Router?

In the Cisco Packet Tracer: there are a list Routers, you can see such as 4321, 1941 and so on. but I tried everyone, there is no one have a module with multi router ports. there are switching ...
2
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1answer
211 views

How can I match conditions when I show arp?

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 ...
2
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1answer
26 views

How come a PC can connect to a Switch using Crossover copper, and sometimes a Straight-Through Copper?

How come a PC can connect to a Switch using Crossover copper, and sometimes a Straight-Through Copper? The below topology is in my Cisco Network in Packet Tracer.
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1answer
22 views

Is it possible to let the Router Interface show its IP address in Cisco Packet Tracer? [duplicate]

Is it possible to let the Router Interface show its IP address?
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0answers
17 views

TCL Tool Command Language tclsh - Script for Cisco SPA508G Phone Sidecar Auto-attendant

Using Cisco SPA508G phones with SPA500S Sidecar Console. In the Cisco UI Sidecar programming is the script: fnc=blf+sd+cp;sub=108@$PROXY;nme=Steve J. I need both sub=108@$PROXY and sub=408@$PROXY ...
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2answers
46 views

Putty Console printing weird Symbols?

So I just installed a new serial port on my PC so I can connect to my switch via console, and while connecting to the switch, I have a connection established but it prints all these weird symbols. ...
0
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1answer
35 views

DSCP re-marking on Cisco Switch

I've followed the commands in this post: DSCP trust boundary policy-map MARKDOWN class class-default set dscp ef Interface Config: interface gig 0/1 service-policy input MARKDOWN The ...
3
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2answers
42 views

Connect Cisco 2900 to Juniper SRX550

I need to connect a Cisco 2900 router (172.16.0.0) to a Juniper SRX550 (172.16.128.1 & 172.16.192.1). As far as I know, Cisco 2900 have no VLANs, so it's on VLAN 1. The Juniper SRX550 have ...
0
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1answer
8 views

Cisco anyconnect 4.6 client disable some security feature

Last 3 year we are using cisco anyconnect with client version 4.5 and everything is good but recently i have install client 4.6 which has tons of additional feature which i am not interested and want ...
3
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1answer
50 views

Cisco 3172 asks for LAN_ENTERPRISE_SERVICES_PKG license to enable OSPF and PIM when they are LAN_BASE_SERVICES_PKG license features

I have several Nexus 3100 switches in which I use OSPF and PIM. Cisco says that these features are included in the LAN_BASE_SERVICES_PKG which is included by default in the switches. Switch1# sh ...
2
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1answer
41 views

what is the difference between port-channel and etherchannel?

As the title said, I do not make the difference between port-channel and etherchannel. For me they both aggregate ports in an Ethernet networks using Cisco parlance. What subtlety do I miss ?
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0answers
55 views

Possibility of detecting MAC address change on Bitcoin network? [closed]

The paper that has been published here: https://dl.acm.org/citation.cfm?id=3282283 proposes a consensus algorithm based on distributed voting process in which it claims that it would be possible to ...
2
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1answer
28 views

Is Cisco SG300-10PP & QoS appropriate to share bandwidth?

We're going to let some empty space in our office building soon. The potential client needs an internet connection for their systems (including VoIP).For ourselves we have a resilient ethernet setup, ...
1
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1answer
34 views

Traffic policing on a switch

Is this too much to ask from a Cisco switch.. Being able to limit traffic on a per IP basis on a single interface. e.g. 192.168.1.12 = 500kbps 192.168.1.30 = 200kbps I know traffic policing is ...
0
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1answer
34 views

What's the `CPU Interface` of Switch?

What's the CPU Interface of Switch? in the 2960-24TT Switch, there is a CPU Interface in it. Switch#show interfaces | begin CPU Hardware is CPU Interface, address is 0002.1669.5897 (bia 0002.1669....
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2answers
27 views

How to assign all interfaces in one router to OSPF backbone area?

Is there any command to assign all interfaces in router (CISCO 2691) to OSPF backbone area? I was using this command for each interface. network address wildcard-mask area area-id Where wildcard ...
0
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1answer
27 views

How can I config multi switch port efficiently?

I have a Cisco 2960-24TT Switch, no I want to shutdown all the switch port, I have to enter the interface then execute no shutdown and exit it then re-do this steps. how can I config multi switch port ...
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3answers
35 views

Two ports both in VLAN 1 on two separate switches down/down

For someone who recently got their CCENT, I feel kind of stumped. I have two switches, both are Cisco 3550s. I am using VLAN 1 as a management vlan and on S1, I assigned IP address 10.24.0.11/24 to ...
4
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0answers
49 views

VXLAN with selective VNI underly manipulation

We trying to implement an scenario to provide L2 transport services from POP A to POP B, connected with three different carriers transport links. In the future, we may want to implement POP C and have ...
1
vote
1answer
35 views

Can not create sub-interface like `interface gigabitEthernet 2/1.100`

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 ...
1
vote
1answer
114 views

How to recognize port type of cisco switch via SNMP?

I would like to filter just copper ports with snmp walks from a Cisco 2960 L2 switch. I already searched the Cisco SNMP Mibs but I did not found anything if the port is a copper or SFP port. ifType (...
1
vote
1answer
27 views

How to run SIP phones in the LAN (NAT Overloaded to single IP)?

We have a small office network switch connected to a DSL modem for internet and telephony access. Now we would to extend network to another location in the same building for which I deployed a cisco ...
0
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1answer
25 views

The Switches can not get through by both FastEthernet switchport.

I have two Switch 2950T-24 in my Cisco Packet Tracer, and I want connect their FastEthernet port. But I wait a long time the triangular symbol do not turn green.
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1answer
37 views

How can I set the switchport's trunk protocol?

How can I set the switchport's trunk protocol? I saw there can use the command to set the trunk mode: SW(config-if)# switch trunk encapsulation ? dot1q isl negotiate but I tried bellow ...
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2answers
59 views

Cisco Switch 2950T-24 can not create multi VLANs

I follow a tutorial for creating multi vlans in Cisco Switch, but get bellow errors: Switch(config)#vlan 21, 22, 25-30 ^ % Invalid input detected at '^' marker. Switch(config)#...
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0answers
23 views

Is a dedicated DHCP server required for PXE boot? [closed]

Read a lot of posts on PXE server setup. Most of them mention to setup DHCP server. My question is even though we used a managed switch (e.g. Cisco SG-300), which comes with DHCP functionality, do we ...
0
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1answer
37 views

Cisco numeric EIGRP routing IP summarizing and routing

I have 2 routers connected via Serial 0/0/0 both running EIGRP with an ASN of 65000, and i want to advertise and summarize the interfaces, being just my loopbacks, and set the loopbacks as passive. ...
4
votes
2answers
56 views

After I set the “router rip” networks, how can I check it?

In my CGR1240 I have set network 192.168.1.0 to my router rip, but how can I check it? If I add more networks in rip, how can I list all the networks I have added? I can not show the router rip in ...
2
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0answers
28 views

Changing DSCP values in a Cisco Switch [closed]

We have an endpoint which cannot tag outgoing RTP packets as 46 (EF).... Currently they happily churn out as 0 Can the Cisco switch it is entering, recognise it's RTP traffic and then change the ...
4
votes
2answers
39 views

Why the Cisco Router's loopback interface can not be showed up by default?

By default, why the Cisco Router's loopback interface can not be showed up? Router#show ip interface brief Interface IP-Address OK? Method Status Protocol ...
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2answers
31 views

How can the Cisco Packet Tracer show the port's name?

How can the Cisco Packet Tracer show the port's name? the GNS3 can show its interface name.
5
votes
1answer
521 views

What's the role of Router/Switch name number?

I have a CGR1240 Router in Cisco Packet Tracer: I have a question about the name of port. I have no idea about the name number of a router/switch port. why there is 2/* in CGR Router? such as ...
4
votes
2answers
668 views

Cascaded switches

Say I connected two 24x port Cisco switches together, to make 1 big 48 port layer 2 plane... all on the same network Say I wanted to get off this to another network, via a router. If that router ...
2
votes
1answer
42 views

Issue with ACL and router on a stick network

I have implemented LAN design in packet tracer with 6 VLANS using router on a stick configuration. Everything seems to work without ACL but I'm trying to implement rules where only the 02nd floor ...
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vote
2answers
40 views

Is the static route discover automatically or need run any command in Cisco Router?

Is the static route discover automatically or need run any command? I have two router, and I have configured the IP address for the link port of them. but the Router3's route is empty: Router#show ...
4
votes
2answers
35 views

Cisco Router GigabitEthernet interface can not add ip address?

Cisco Router GigabitEthernet interface can not add ip address? Router(config)#interface gigabitEthernet 2/1 Router(config-if)#ip add ? % Unrecognized command Router(config-if)#ip add 12.12.12.1 255....
1
vote
1answer
36 views

out-of-band interface vs normal interface in switches (cisco, brocade,…)

i have a question abou out of band management interface in cisco and brocade switches, for example we can set 192.168.1.0/29 on our switches oob then via our lan we can access the switch in case of ...
2
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2answers
83 views

Cisco Catalyst 3850 router VLAN bridge no routing

New to Cisco stuff so bear with me (only a little L2 Procurve experience). I have a development network connected to an Aruba/HPE managed switch feeding a trunk with tagged VLAN's to an internal ...
1
vote
1answer
44 views

Just can't get ASDM to run

I've spent two weekends googling and trying every suggestion I can find, but still, when I try to connect to my ASA, the launcher accepts my credentials, the "updating software" bar goes to 20%, and ...
0
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1answer
33 views

Two ip helper for two different services?

There is a vlan5 currently configured with an ip helper-address to forward the broadcast traffic to our DHCP on a different vlan. Works perfectly and everyone is happy. interface Vlan5 description ...
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0answers
35 views

Adding a 1G firewall in 10G traffic path

I do have two switches in the same model C3850XS, and a server UCS-C480M4, all interfaces/NIC can have 10Gbase throughput. If I have to put a firewall(ASA5516X/wFP) in the middle between two switches(...
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1answer
29 views

CISCO switch console port not RJ45?

In all networking videos and tutorials, a Cisco switch console port is a rj45 connector, which then goes through a rollover cable to a rs232 connector that goes to the computer. On my switch, which ...