Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
Hello everybody,This is a very strange issue, one data center of my company has a pair of Nexus 7018 with vPC enabled.And there are more than 9k mac addresses in each chassis.N7K-2# show mac address-table countMAC Entries for all vlans :Dynamic Addre...
hi all,I have a serious problem with nexus 7018, there're unicast flooding on one n7k, named n7k-1, which is the member of vPC domain combined with 2 N7Ks.And I think I've already got the reason why this happened. ///////////////////////////That is, ...
Dear all,I'm encompassed with doubt.There are 2 switches, 3550 is a layer 2 switch, 3560 is a layer 3 switch, PC-1 and PC-2 are connected with 3550.When I applied a MAC ACL on f0/28 of 3550, which is connected with PC-1. I found it didn't work.mac ac...
Hi all, The output of command SHOW PROCESS CPU on Nexus 7000 is too simple. I have no way of knowing about anything more detailed, such as interrupt level cpu utilization.Is there any way to get some detail of CPU utilization on Nexus 7000? thanksWan...
Hi all,Here's my configuration.r2#show ip routeGateway of last resort is not set 12.0.0.0/8 is variably subnetted, 2 subnets, 2 masksC 12.1.1.0/24 is directly connected, Serial1/0S 12.1.1.1/32 [1/0] via 12.1.1.1r2#r2#show run int s1/0...
hope help, and port status OID is ifOperStatusCPU total utilization OID is 1.3.6.1.4.1.9.9.109.1.1.1.1.6.1 [root@NET-MONITOR-1 ~]# [root@NET-MONITOR-1 ~]# snmpwalk -On -v 2c -c 360buy 172.17.0.253 ifDescr.83886080.1.3.6.1.2.1.2.2.1.2.83886080 = S...
hi Jerry,This bug is mostly close to my issue. I found all mac addresses lost on line-cards are learned from the N5K which connected with VPC links, and clear mac address table manually could resolve this problem for a few hours.Anyway, thank you ver...
hi jerry,When this happened, no mac address disappeared from the peer link, and the total number of mac address was not changed on both chassises. And The mac addresses that disapeared could be found in arp table, that's why unicast-flooding occured...
hi jerry,In fact, this is the second n7k chassis which has mac-address sync-failed issue I've met.The current NXOS version is 5.1(5), and I think it's maybe a software bug.Anyway, the unicast flooding was triggered by mac-address losing on the module...
