Routing

I need to capture traffic in local VLAN on Nexus9000K, start wireshark on my laptop, ip address of this laptoop is 9.9.9.9. Also I want to capture only icmp and src host 10.0.0.0/24. I try to do this: Websiteswitch(config)# monitor session 10 type er...

HO router getting ssh request from outside so i want to block the ssh traffic from outside but i want to allow ssh traffic from branch side and tunnel between branch and HO so how to configure ACL on HO router so i block the ssh traffic from outside ...

Looking for a way to handle printing services and voice services in one device. When two services are on separate VLANs but a device needs both services, what is the proper way to handle this situation? One way was setting up an Inter-VLAN configurat...

Hi Cisco Support, I have a question to ask. Recently I performed a firmware upgrade for my Cisco 3850 Switch from 03.06.08E to 16.6.9 . After the firmware upgrade, I found out that the switch is unable to synchronize to my NTP Server, 802.1x stops wo...

High CPU spikes occurred occasionally on C881-K9 router. After checked, the high cpu usage is caused by SNMP ENGINE. Does anyone know why SNMP ENGINE cause the high cpu usage and how to fix it?Thank you. CPU utilization for five seconds: 99%/0%; one ...

Hi there I will like to check, before I change the route I can rdc to my widows XP pc but after I change it to a new routs ISR4451-X/K9 I unable to rdc to my widows xp pc, I have try to ping the IP address and the gateway is all good can you help me ...

Hi AllI have seen the below on a router under the dhcp pool reserved-onlyaddress 172.1.1.1 hardware-address e0cb.bc8f.4839 Is this the same as a dhcp reservation using the client-identifier command or does it do something else? Cheers 

Hey folks, I've got my VPN setup I can make connections to the VPN, but I can't figure out the last steps required to allow the machines connected to my interface Virtual-Template1 to access my VLAN 3 here is my config as it stands:  Using 5367 out o...

I was looking up some factoids on this switch and came across a narrative that was comparing models and it mentioned the SG350X indeed not have PBR, but the SG550X Series did. When I go to official, though lacking in details, Cisco site it has like t...

Hi Guys, 1. Is there gonna be a problem if two router interfaces cost doesn't match? thanks!!  example , r1 g0/0 cost is 1-----------------r2 g0/0 cost is 10 if no issue, then total cost for the link is 11??  2. also what does this output mean? it is...

Hi,I notice with many of Cisco's labs, that fast ethernet switches are used with gigabit routers. In reality, is this best practice? Would the lesser fast ethernet switches in these cases slow the traffic??? If not please explain why. If so, why woul...

Good Day Fellow Members I am reaching out in hopes to find some clarity regarding potential mismatch with EIGRP ASN, we see incorrect AS numbers in traceroute outputs. We see the ISP ASN in hops that are devices not directly connected to the ISP.We s...