Hi, I have this pair of Nexus 3000 in vPC and I need to add some commands to the vPC domain (peer-config-check-bypass on both and role priority on the first one). I just want to know if I can add these commands without any downtime ? It will b...
Forum Posts
We are migrating our cores from Catalyst 3750 to Nexus 9000. But we noticed that we can migrate the VLANS from teh catalyst 3750 to the Nexus since Nexus only has VTP transparent mode. Is there any other way that we can migrate the VLANs or change ...
Good Day, I have 1x 5548 nexus switch running as a core with layer 3 vlans running for the server farm, storage and other vlans, on this switch I have a trunk going to a 3850 switch where the servers are connected. The switches can see each other v...
Hi Completed a 3850 stack upgrade at the weekend. Everything is working as it should except for for one minor issue, which, unfortunately, is actually a big issue.... While in front of the equipment I could logon to the switches and check their opera...
Resolved! Route caching
Hi, I cant understand technology of route caching. From CCNP switching guide: Route caching: The first generation of MLS, requiring a route processor (RP) and a switch engine (SE). The RP must process a traffic flow’s first packet to determine the d...
Hi everyone! I'd like to monitor err-disabled ports with my LMS 4.1, but LMS dosn't know about MIB. The OID that LMS uses for detecting the err-disabled state of the ports is 1.3.6.1.4.1.9.9.548.1.3.1.1.2 (cErrDisableIfStatusCause) from CISCO-ERR-D...
Good evening, I have setup local pools with ip dhcp snooping before with no issues. However I have recently invested in a WS-C3650-48TS Issue I have when enabling ip dhcp snooping the binding status sits at selecting. IP address Client-ID/ ...
HiI have replaced my core switches with Nexus C93108TC-EX (2 Devices). I want to achive Redentency & Failover for Vlans . Please specify how do i achive it. I need a similar configaration like having a Stacked Switched with Comman Vlan Database and s...
Hi All Expert I would like to make a lab with 3 router by NAT This is a simple diagram , would like to NAT from R3 to outside local IP to dummy IP such a 1.1.1.1 R1<---->R2<----->R3 And then NAT 1.1.1.1 global inside to whatever IP on local network ...
Hello, I got the core network based on Nexus 3548 and access switches based on 2960 and HP3500Here is my vision of STP MST configuration on the devices without vlan load balancing: Is everything correct ? Or I missed something ?In the edge of networ...
Dear all ! I have problem when trunk cisco SF 300 to router Draytek Vigor 3900 . My Network as bellow image : At SF 300 I created Vlans VLAN 250 :10.0.0.0 VLAN 10 :10.0.10.0 VLAN 30 : 10.0.30.0 and VLAN 300 : 192.168.200.0 .In case VLAN 300 used tr...
Ok here it is. I made some changes to a switch, while at the Colo. After I left, I went to my home office and attempted to SSH in and I am getting an auth error, which is new and I am not sure why. For some reason, using those same creds that give me...
Is it possible to form a pim neighbor with routers on different subnets? I have two routers but in between are two taclanes. So the routers are on different subnets but if they do not form that pim relationship, I am assuming my multicast traffic wil...
Resolved! ACL to restirct ssh on Cisco ASR
Hi Everyone, Need to confirm on Cisco ASR which is accessible via management interface ho ip vrf interfacesInterface IP-Address VRF ProtocolGi0 10.x.x.x Mgmt-intf up But seems all other interface with public ip also responds to ssh request from o...
Resolved! Eigrp on layer 3 link
Hello,A Site switch, which acts as the gateway for a small site is connected to distribution switches with two uplinks in a port-channel. This then forms a eigrp relation with the distribution switch over a L3 link (vlan 501).I have pasted the releva...
