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I have a weird issue with my Cisco 9200 and Aruba APs. Current network has multiple VLANs where the DATA VLAN is 10, the WLAN VLAN is 28, and the management VLAN is 999. All LAN devices plugged into VLAN 10 (DATA) has no issues getting a DHCP address...
recently we had a power outage in our building which cause our core and 3 switch stack to lose power. 2 switch stack on a separate side of the building did not lose power due to a generator owned by another company in the building. My core is a 4507 ...
UPDATE... talked with Cisco Support and found out the issue was not related to the two WLAN VLANs but the data VLAN. it was causing a lot of icmp drops due to Cisco's new Control Plane Protections feature in the 9000 series switches. Tech support ran...
Thanks to @MHM Cisco World. So far the no ip redirects command in the SVI seems to have resolved the issue. im going to give it another week and see how users in my environment respond. hopefully the complaints will go away.
so i think i may have figure this out. there are two route entries in my bgp routing table that maybe conflicting with vlan 28. This vlan is a /23 and theres a entry in the table for this subnet as a /23 and /24. So im wondering if i remove the incor...
@Flavio Miranda after adding the VLAN thats causing the issue to a LAN port and connecting my PC to that LAN port, i had the same issue as if i were trying to get DHCP from the wireless. This tells me that something on the switches are causing the is...
