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Hi there,I implemented MACsec von two C9200 Switches like this on both sides:interface TenGigabitEthernet1/1/1description Uplink to C9200switchport trunk allowed vlan 10,11,12switchport mode trunkmacsec network-linkmka policy mkapolicymka pre-shared-...
Hello Group-Members,it's really strange but since setting up new access-lists (I never used them before) I noted that the lists stops working after 24h after applying it on the interface. This happens on a C9200L with IOS XE 17.3.7 (and on an elder C...
After applying an upgrade to current version 17.06.05 on our two C9800-L-F-K9 devices (not in HA), one device won't boot anymore... LEDs are off. Powercycling let the onboard LEDs light up, but switching off after a few seconds, fans keep running on ...
Thank you for all your replies.I think the problem was linked to DHCP and the lease time of 24h. I found in log file that the server asked after 12h for a new lease, but didn't get an answer, due to the restrictions. After 24h the dhcp-address expire...
We got a new branch office, outside of our main building. The branch is connected with a dark fiber and no isb or public wan. Normaly I'll use IPsec on our firewall, but in this case I wondering if extending the vlans over the sfp-ports would be a so...