hi:i know OSPF ,EIGRP and RIP are both network layer protocols . and RIP uses UDP at port 520 EIGRP uses RTP and protocol number is 88 OSPF 's protocol number 89both EIGRP and RTP are encapsulated into a IP packet 。alright， if i want to use ACL to l...
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My pair of Nexus 6K started giving a poor rate of response to ping messages a couple of days ago. Any SVI's IP address seeing 10 to 30% loss. These pings can come from any attached device. After some googling I came across an article discussing COPP ...
I have a stack from two switches 3650, but i want to add a new switch 3650 to existing stack, could I add this new switch without turn off the existing stack?My stack and my new switch are in the same ios version, my stack have priority 15 for the ma...
I was given a VoIP phone to use while working from home and didn't grab a power injector. Rather than making the drive back to work to get one I thought I would see if I can use a spare Catalyst 3560 POE-8 to power up the phone. The switch has been...
Greetings All, I wanted to ask for guidance in configuring a cross-stack etherchannel between an isr 4451-X via 1Gbps Fiber to 4 3850 switches in stackwise configuration. I would prefer not to assign an IP address to my port channel. Here's wh...
Resolved! STP on ASA
Hello, See diagram attached. I am planning on implementing the topology depicted on the diagram and wanted to find out if ASAs use BPDUs when their ports are configured as 802.1q ports. Since switch-a and switch-c are connected to asa-a (active) and ...
Hello Cisco Community I have a question regarding how should Exclude vlans from a VPC Peer-Link, Here's the issue I got a peer-link between 2 VDC on a Nexus7k, I got VPC configured, but there's an issue that Vlans on one side doesnt match the same vl...
When configuring IPv6 egress filter on a nexus 3636C-S sw version 9(3)3 got below:core1-gw-new(config-if)# ipv6 traffic-filter ipv6EgressFilter out This platform does not support the IPv6 address match on egressDoes it mean that this is a limitation ...
Hello,I have a system that consists of two 3750 switches.The SNMP manager software sends the switch the 'get request' command with the following data 1.3.6.1.2.1.2.2.1.8.10101 to 1.3.6.1.2.1.2.2.1.8.10128. This is requesting the ifOperStatus of the ...
I am RDP'd to a laptop with a console connection on COM4 to a 3850, I open Putty and each character I type is wrong, inconsistently wrong...for example, the following output of what I get from typing the letter "a" repeatedly: Switch#qu}yyuqy|q~yuy...
I am looking to wirelessly network my house and I have a basic knowledge of networking and can program it.My question is based on the ports use. When you get the package, it comes with an rj-11 a modem and then something that comes out the router an...
Resolved! Cannot login via GUI in 3850 switch
Hello, I have 3850 switches with 16.3.6 IOS version.We have Radius authentication for ssh with a local account as a fallback. When i am trying to connect to a switch from any browser i get the below screen I have used Windows AD credentials and loca...
Resolved! Flexlink+ on C9400?
So I recently learned that Flex Links have been deprecated starting with early IOS-XE 16.x, but that there's a new feature called Flexlink+ that's available as of IOS-XE 16.12. When I found the config guide chapter for this feature, the config state...
Hello there, I'm a newbieI want PC VPN, FIDS, Banner, and Client can't ping the server, but the server can ping them, I did the configuration but still they can still ping each other. Can anyone help me, I complete with the softcopy please see what ...
Resolved! SSH from 3650 to Nexus 6K
When I SSH from 3650 to 6K it doesn't prompt for username, instead it goes straight into password,and I haven't set any enable passwords on my nexus, I don't even know if that is the case but how do you set enable password on nexus 6K,and one last qu...
