Hello,A bit perplexed here. Replaced 10 switches with new switches connected C4500 via fiber. All switches run MST0. C4500 ports always link up and have no errors. But all 10 C4500 fiber downlinks follow this cycle: about 30 seconds in "forwardin...
Hi, I am doing routing on layer 3 my dhcp is on router from that i want to get dhcp on pc which are on different vlani Have created svi on switch1 vlan 10 10.0.0.1 255.0.0.0 and added ip helper 30.0.0.1 vlan 20 20.0.0.1 255.0.0.0 and added ip helper ...
Dear everyone,I'm trying to configure a named extended ACL to deny one host access to a DHCP server while permitting another host access. Both of them are on the same Vlan and I've realized that you can use 0.0.0.0 as a source IP to deny access to th...
Hi friends, Working on a 4 switch stack and after powering master (1) then the Standby switch (2) in this sequence I get the following message in a infinite loop:*Nov 23 15:26:08.012: ILP:: POE POST detail for switch 2: PASS*Nov 23 15:26:08.012: ILP:...
Hello,We have a Catalyst 9400 that appeared to simply cease operating the other day. We had to reload it to restore it to service. We managed to get this message out of it in the logs - Nov 23 17:17:49.532: %FED_L3M_ERRMSG-3-RSRC_ERR: F0/0: fed: Fail...
I have some Catalyst switches (3560X, 3750X and 3560CX) all running the latest IOS releases. I'm aware the 3560X/3750X are now EoL. I'm attempting some IBNS 2.0 configurations and want to bypass authentication for IP Phones. This works perfectly f...
Hi all,
we did an upgrade of a 2x C9300-24S stack to 17.06.04, before the upgrade ports 1/0/2-1/0/5 were connected,
but after the upgrade these ports were showing notconnected, moved the same SFPs to ports 1/0/14-1/0/17 and it works.
we did reboot,...
Two C9800-40I'm trying to redundancy.
If the port on the switch to which the active unit is connected is shut down, it is normal for a failover to occur and a standby to occur.
But it goes into the removed state as if the rp was cut off and stops wor...
