Hello, I have two questiongs regarding VPC technology: 1) We have two basic VPC topologies (see the picture) What is the practical difference between that (green line) topologies ? http://imgur.com/a/vBv5Q 2) Do it's possible to run VPC using that...
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Hi,I have a pair of 2248 Fex's where I'm currently terminating several VPC's to the servers, each with one port per Fex. Is it possible to run a VPC to a server with 4 ports, i.e 2 ports per Fex? I saw some discussions indicating it wasn't possible o...
Hello, I followed this document (https://www.cisco.com/c/en/us/support/docs/switches/catalyst-3850-series-switches/117594-technote-hicpu3850-00.html) in my troubleshooting. The problem here I think is something that can't be expressed int this docum...
Hello.Here is my topology:ASA 5515 ---> HP ProCurve #1 ---> HP ProCurve #2 ---> Catalyst 2960XI have to create VLAN trunk between ASA and Catalyst. Part of configuration on ASA: interface gigabitEthernet0/0 no nameif no security-level no ip address !...
I am having issues with interVLAN routing on my SG300-28 switch. I have 2 VLANs 10 and 20. IPs are 10.1.1.254/24 and 10.1.2.254/24, respectively. I have them going to a Netgear R7800 which is connected through VLAN 10. VLAN 10 has internet access but...
Resolved! Vrf Loopback Interface Into Global Table
I'm doing a Lab and it's very simple. it's just like I need to confirm some commands but I'm really getting upset. here is my lab. I configured a vrf and a loopback interface which I apply it under the vrf. the loopback has been disappeared from the ...
We're booting out-of-the-box ISR1100 devices with dhcp. The switch gets an ip from DHCP and TFTP location for config file. example: tftp:/cisco/configs/<device mac addr>.cfg this works normally and the router downloads the config file which conta...
I recently purchase a Cisco ISR4351 security router but I have found that the Vif 1 feature doesn't work even though it has the securityk9 feature. Anyone know why this is not working?
Resolved! Block a Computer using Layer 3 Switch
Hi, We are planning to block certain devices from communicating to a different network segment or different LAN & towards internet using L3 switch / ACL & I am not good with Networking concepts to propose. I would like to know what are all the po...
Hi all, I'm having a strange issue when it comes to the auto smartport feature. Whenever I connect an AP I want to reconfigure the port via the locally configured macro. My setup looks the following: 1. AP gets connected to a dot1x enabled switchpo...
Does the multi-gigabit support fully the 10G-BaseT standard?Can I connect PE210G2I40-T with Cisco Catalyst C9300-24UX?
It says in the Nexus 3000 Layer 2 Switching Config Guide that the "management" keyword under a SVI's config "configures the SVI to be used for in-band management". What exactly does that mean? Or, in other words, what can't you do if you don't conf...
Hi, Is there any tool which we can use for Preventive Maintenance for gather show tech support from all the cisco devices rather than logging to each device for getting the same or gather the information and suggest for the IOS upgrades as well.
ScenarioIssue happen when firewall failover from primary to secondary then back to primary, HTTP and HTTPS traffic seam like not going out, error 503 gateway timeout was observed Swing fw from primary to secondary – OKSwing fw from secondary back to...
I have just upgraded my 2960x switch IOS to 15.2(2r)E2 version. Everything is running fine except the light on the console port is in up state(green light on) although there is no console cable plugged in. Is this some IOS bug or any other issue? Kin...
