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Forum Posts
Resolved! Catalyst 3750-E
Hello friends, I need some help. I have Sw 3750-E on the network and a Dell N3024F when I connect some equipment to the switch, Dell Sw tries to take root as root being Cisco.In that attempt I have a drop in the network. One thing I came across that ...
I have 2 Headend routers at a DataCenter. I have 4 different ISP being installed. I want to make sure everything is redundant. !. Best practices would be to have IBGP between the two routers and to advitise networks out of both router. so basically ...
i m create 2 vlan in switch but they are not communicating vlan148-172.31.136.1/21 trunk vlan20-172.31.144.1/24 ip route 0.0.0.0 0.0.0.0 172.31.136.1 but not work plz help me
Hi, My 3850 (12 port switch with expansion module)has a single 350WAC power supply. For stacking multiple switches is one 350WAC power supply good enough? I thought you needed the 1100WAC PS to stack correctly. Is there a document that describes the ...
Hi I am in dire need of some help please :-) We have been testing VMware SRM with our Internal Production Clusters to our Disaster Recovery site. 4/5 Clusters recover without incident. During test recovery of the The 5th Cluster the Production machin...
Hi Guys, Before I configure both my chassis to VSS, i need assistance to understand better. I have 1 ISP downstream to both chassis. Once VSS are configured, is there any way to do load balancing to the ISP? Thanks.
I am planing to upgrade two nexus 7009 (SUP 1) switches in our data center. There is a VPC domain within 7Ks and 5Ks, VPC peer link between two 7Ks. Current firmware version of 7K is 6.0(1) and 5K 6.0(2)N1(1). I am hoping to upgrade just one 7K s...
Hello, We have 2 devices connected in stp mst mode. On regular time - 1 link is in block status (Backup link) - Te4/2 Sometimes we have problem with the primary link (Te3/1) and the STP protocol change status from forwarding to blocking (flapping) ...
We have VTP version 2 running in our environments. Few days back had an incident with remote site wiping out headoffice vlans due to VTP update done by a new layer 2 link between the sites. How can we prevent this from happening again? Understand tha...
I have used router-id and I can see the practical value of router-id in OSPF/EIGRP/BGP. Logically what I can understand that RID is used when there is tie between two routes than it can play role, but what about the if "RID" is not advertised in OSP...
Hi, I have configured 2 QnQ in parallel as shown in the attachment diagram. But some reason its causing a loop in spite i have the spanning-tree configured with high cost. can i configure 2 interface connected to the same switch with same vlan 3505 ...
Resolved! Fibre type
Hi guys, Sorry if this post is not supposed to be here. I am inserting X2-10GB-SR to my 6509. How can i know if i should plug in SC/UPC or SC/APC into it? Thanks!
hello I have a Cisco 881 router I have a link with a fiber router I have put the fiber router in bridge mode to enable authentication on the cisco routeur can you help me in this configuration ( the commande to put ) tks in advance
Resolved! software install command not available
Hi all, Much appreciate your help on this!! I normall upgrade/downgrade IOS using command 'software install' which is available in Cisco IOS Software, IOS-XE Software, Catalyst L3 Switch Software (CAT3K_CAA-UNIVERSALK9-M), Version 03.03.05SE RELEAS...
Hi, How to create VLAN on L3 switch. I have 1 cisco 3850 as my core switch and 2 3850 as Access both are on different floors. I need to create a voice vlan for one of my process. DHCP server is also there but on different subnet. Can anyone please h...
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