Hi, I am doing a network simulation using Cisco Packet Tracer. I could not solve how to do CHAP over TACACS+ server. The situation is as follow: Configure PPP Authentication Protocol on the following devices as listed herewith :- Hostname PPP...
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Hi, We are planning to implement DMVPN (phase 3) through internet to connect 100 plus locations (including business critical locations) . These locations are located around the globe including embargoed countries. However , while browsing through v...
Hi I have main HQ and 7 branches and these branches connected to HQ over MPLS . I want to apply backup soulution over internet . what is the best way to do that and i have one router in each branch face to the internet and MPLS .
I have a nexus 3064pq (not X) and all the commands related to applying a mac address access list seem to be missing. I have it upgraded to 7.0(3)I4(6) and I can create a mac access list but all the commands related to applying it to a port or vlan se...
I have a dual-hub DMVPN setup running OSPF. The issue I am having that the default route that's being injected is preferred on the secondary hub instead of the primary. I've tried adjusting the metric on the default route, changing the admin distance...
Hello, Currently I’m looking for networking monitoring system for a DC Network which have ~200 nodes in 6 different geographic locations. All equipment is CISCO but different IOS version (IOS-XE,IOS-XR,NX-OS, IOS) Primary thing would be to monitor th...
Resolved! Which IOS for NM-4T on 2811?
I have a 2811 running as my frame cloud for a home lab. I'm looking to use a NM-4T 4-port serial module to connect 1841s via WIC-1T cards. My 2811 is complaing that the NM-4T is not supported with my version of IOS. Can anyone tell me what verison of...
Resolved! Spanning Tree and Portfast
Hi,I'm wondering what would happen if you connect two switches together with two up-links where all 4 ports are configured as access ports with portfast enabled? No BPDU Guard.I know all ports should transition into forwarding state immediately and c...
Hello,Apologies in advance if this has been answered somewhere but I'm seeing an issue where I have multiple independant sites running BGP off my ASN with different advertised IP blocks and different ISPs.Site 1ASN XXXXXRoute Advertised: yyy.yyy.62.0...
All,Per company policy, we are required to log all DHCP request/leases into a database for specific VLANs. Our core switch [Cisco 3850] has been configured as the DHCP server for those specific VLANs. I’ve configured a Synology to act as an TFTP serv...
hello, need your help.i have switch cisco WS-C2960L-16TS-LL, Cisco IOS Software, C2960L Software (C2960L-UNIVERSALK9-M), Version 15.2(5c)E, RELEASE SOFTWARE (fc1). i cannot run command "port-channel load-balance":cisco01(config)#port-channel ?auto LA...
Resolved! DMVPN with Policy based routing
Hi all, I'm having an issue that i hope somebody can help me with. We are running a DMVPN environment and I have a couple of spoke offices that run voip over their tunnel to each other. The issue is that we swapped the ISP in spoke A but now the la...
Hey Cisco Community: I have a simple question. Can I NAT just my guest wireless network, whose VLAN gateway sits on my L3 switches (HSRP), onto a public IP and not have it translated again by my second NAT, which sits on the last hop out of my netwo...
Question for the collective- When configuring multiple NTP server entries on a network device, if you do NOT use the "prefer" argument, does the network device compare the NTP packets from all entries and dynamically determine the best one to use? I ...
Good Morning, We have a bunch of 4351/4451 routers we are deploying and our security manager would like us to place them on the network for security scanning before deploying. What's the best way to install identically configured replacement routers ...
