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Forum Posts
Hi I have 2 switches that are connected by a network cable through trunk ports. From Switch 1 I can ping switch 2. From anywhere on our network I can ping switch 1 , but can NOT ping switch 2 I can see the Second Switch sh ip arp command. ...
I have a weird one... We're having a bizarre issue with UDP traffic on an older core 6509 (Sup720 running 12.2(18)SXD7b.) The issue was discovered when we got a new phone system. Phones on outside send UDP traffic through our firewall but it never ma...
Hello,I am struggling to get a working configuration on my Catalyst 2960-S in my home lab. I currently have this configuration:ISP (WAN <some public IP>) -- Router (LAN 192.168.1.0/24) -- Cisco Catalyst 2960-S (Trunk 192.168.1.2) -- VLAN 10 (192.168....
Hi! I am trying to implement NEXUS on DC my organization see the picture. We are trying to run VPC between two NEXUS 93180 and with routing license to run ospf to the Central Core and that link is port-channel with vpc command, is there possible to ...
Resolved! VIRL
Can someone please explain to me if VIRL is Cloud where someone can log in and access Lab enviroment. Or is it an iamge (iso, ESXI etc). If so, what kind of computer do you need to run it without issues? Thanks
Hi all, I have 7 x Cisco WS-C3750-24PS-P switches stacked in a cabinet. How do I calculate the overall temperature / heat output coming from the cabinet? Thanks Kind Regards Dean
Dear Experts,I am trying to configure shaping on a 1G port on WS-X6848-GE-TX linecard (Comple setup and IOS below). Marking works fine. Shaping is done because MPLS connected to that link offers 200Mbit/s only.When trying to implement with: interfac...
Need Help with the Core Network design what config will be better for the attached scenario active- active or active standby what config should be used HSRP, VRRP or anyother
Hi guys, After executing "reload" on our primary VSS, the VSS went into dual active when the primary switch was running again. We have 2 x 10gig VSL links and no dual-active detection link. Is this normal behaviour, since a reload would simulate a t...
Trying to get ZTP going on ARS920. But i am unable to download config files from FTP/TFTP for some reason. It seems to do a file check when downloading files. is there any way to disable this? ARS920# copy ftp://<ftp-server>/cisco/conf/00BE75B7CE80...
Resolved! OSPF route selection
Hello, I have 4 OSPF external LSA's which represents: 10.33.0.0/16 network: show ip ospf database 10.33.0.0 detail vrf lan OSPF Router with ID (10.2.254.251) (Process ID 1 VRF lan) Type-5 AS External Link States LS age: 103 Options: 0x20 (No TO...
Hello to the community, We have a pair of 6807xl on our production network running a bunch of etherchannels using LACP. The issue is that we need to enable DOT1AD on these switches and from what I have read in Cisco docs, it is stated that LACP and...
Im converting a pair of 4500X from VSS to stand alone. Ive found the relevant Cisco document to follow to convert them but I need to know how to roll back. The document does not have a roll back procedure. https://www.cisco.com/c/en/us/td/docs/swit...
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