HSRP failback doesnt work properly. standby status changes ACT <=> SBY unstably when its time to failback.but without "mac-address-table secure" setting, the failback worksi think mac address filter is the problem, but i dont know how to fix... can s...
Forum Posts
Aren't they all for inband queue? *show system inband queuing statistics *show hardware internal cpu-mac inband stats show system inband queuing statistics (Drop) Inband packets unmapped to a queue: 0 Inband packets mapped to bpdu queue: 2673...
Hi, We've just recieved a batch of 9200L and i'm going through the configuration. The configuration is setup and working well, I was just wondering if someone could assist with the user accounts part of the product. One our old swiches, we used to ru...
This document shows a list of IP protocols that are possible in the protocol field of the IPv4 header. ICMP is protocol 1, TCP is 6, and UD is 17. If I use a "permit ip any any" in a Cisco extended ACL, what protocol(s) are included in the permit sta...
Hello experts, I just finished my CCNA course and try to dig more about STP. I have some questions may need your help. Thanks. 1.) Does a switch keep sending BPDU(7 times because send Hello every 2 seconds and listening state remains for 15 seconds) ...
here is my network (packet tracer file attached)i can ping fromR2 to R1, R2 to R3,R3 to ISP, R3 to CSWCSW to R1, CSW to R1PCs can Ping upto R3 cannot go beyond thatAll VLANs can talk to each otheri wonder whats the problem isThanks :) Here is Core SW...
Hello, I have to migrate from 2 swithces multilayer to 1, each switch has a different configuration and you have the following SVISW1Vlan100 interface description << VLAN WAN INTERNET >> ip address 189.206.125.253 255.255.255.248 standby 10 ip 189.20...
Hi all,My experience is not great in the field of Cisco, because I have been working on Microsoft networks for a long time.But I have a question now I download 7.2.1.0218, and I drew the attached diagram and created a number of vlans also I put a com...
Could you please help, after this configuration, many users couldn't have connection Note:I have 2 switches in cascade, and I did the same config on both switches -------- Config ----------------------Access-Switch(config)#ip dhcp snooping vlan 2-3no...
HiThis switch has 16 1/10 built in ports plus an 8 port uplink module.Can anyone please tell me the interface numbering convention here?ie te1/x (built in ports) and te2/x (module) or something else???ThanksSpecs:Catalyst 4500-X switch chassis with:1...
Resolved! PAgP modes
Hi Old Doc says (4500 series):https://www.cisco.com/c/en/us/support/docs/switches/catalyst-4000-series-switches/23408-140.html PAgP modes are off, auto, desirable, and on. New Doc says (cat3850): https://www.cisco.com/c/en/us/td/docs/switches/lan/cat...
I'm currently stumped by this one, every so often I'm getting these logs on one of my Nexus 9k VPC pair. Is this indicative of a loop? I've been combing the forums on this and can't seem to find a concrete answer. XXXXXX %ARP-2-DUP_SRC_IP: arp [2734...
Resolved! C4500E SSH problem
Running into a proble, we just purchased some 4500E switches with 2 supervisors.I can not get SSh working to allow connection so we can SSH in to do programming. i have given it anIP address..assigned the domain aaa new modelcrypto key generate rsa a...
Hello, I could use some help on prioritizing voice across my switches. I have done a lot of research but im not sure some of what I saw is all necessary. In my setup i have a few catalyst 2960's and using a 3650 core. I have vlan 10 (data) and vlan 2...
Resolved! Finding distances from the SFPs..
Hi y'all, I am working out on the Cisco ME 3600X and Cisco 3400 series switches platform. I wanted to know, How to find the the distances of the SFPs used in a Cisco 3400 and Cisco ME 3600X switches, that is, is there any command which I could use to...
