Is it possible to do dynamic VLAN assignment on Cisco 3560 switches so that when a user logs in, it will prompt for a login, and according to their credentials, their device will be part of a network? If yes, where would I begin? I have the freera...
Forum Posts
Hello guys!I have some troubles doing NAT. If I set up NAT for a particular port, the server replies, but it does so from a different IP address, (specifically from the main IP). If I set up NAT to B.B.B.B, the NAT inside works, but replies from A.A....
I have a Cisco 3750E-24TD running 12.2(55)SE10 and ip dhcp snooping enabled. However, I am not getting any DHCP Snooping messages when a rogue DHCP Server tries to respond dhcp discovery broadcast. Turning on debug ip dhcp snooping packet and debug...
DHCP-Server ip dhcp pool client-id host 172.16.1.200 255.255.255.0 client-identifier 01aa.bbcc.0030.00 DHCP-Client-2 interface Ethernet0/0 ip address dhcp client-id Ethernet0/0 hostname DHCP-Client-2DHCP-Client-2(config-if)#do show int e0/0 | i bi...
Can someone tell me if its possible to do this and if so how. I need to setup a gre tunnel between two routers and tunnel multicast over a WAN. When the packets enter the tunnel the source address is 172.31.x.x group 239.252.x.x when they exit the ...
Is there a replacement for TTCP on the cisco 4000 series routers? I used to be able to complete some throughput tests using ttcp and I am no longer able to do that. Does anybody have a different solution for testing between two routers or networks t...
Hi Everyone, I'm a complete noob who wants to use my Cisco 1801 to connect my WAN interface to the NBN NTD (using dynamic IP) to handle my home network. A network engineer in my last company helped me and it worked perfectly for DSL. Now I have FTT...
Hello Guys Greetinglets say a company has global network , for example it has ,DC at US and other DC at UKQuestionShould the company has single public AS for each contry or only1 Public ASN for for US DC and UK DC , if so how the the ISP deal with su...
Resolved! ASR 920 not handing out IP addresses
I have a feeling that I am missing something very basic in this but I am not able to get my 920 to hand out an IP to any device I connect to it. ISP will be coming in on Gi0/0/5 and connected to my 2960-x on Port Gi0/0/10. Can anyone take a peek and...
Resolved! Timestamp ping option - solicit
Timestamp ping option Hello everyone, i was wondering if there is a method to have a verbose output of the ping with the timestamp related. As you can see, i mean an output like this: 14:35:43 2018-4-24 DST Reply from 8.8.8.8: bytes=56 S...
Hi All, I have a known internet provider issue at a corporate site which is severly affecting internet access/browsing. There is a confirmed issue in the ISP backbone so certain addresses are not reachabe like 8.8.8.8, cisco.com might be available fo...
Dear, I have a Cat4507R-E in VSS configuration. suddenly it's reloaded. When I was checking I found the next message below on Cat4500 in StandBy. Last reload reason: Critical software exception Another Cat4500 Active show the message below. Last relo...
Resolved! EIGRP - adding backup routing
I am distributing static routes into eigrp.at two sites. Specifically, we are using NSX and SRM so that certain VMs have the same IP address at each site, Main and Backup. At Main, I have two sets of IP addresses with a default route to each subnet...
I have a trunk setup between the two 172.16.64.2 and 172.16.128.2 switches, but I'm not able to ping each other. I'm not sure what I'm doing wrong. Please see the attached Network.pkt packet tracer file
Resolved! Does 4331 supports T1 WIC card
I have a very old router 1721 which is currently running frame relay on WIC card and i have to move to the new router ISR 4331. Does ISR supports T1 WIC card? And can i configure frame relay on top of it? ISR is running the latest IOS which i gues...
