라우팅 및 스위칭 토론
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125 게시물네트워킹 및 무선 모두 보기
해결됨! MIC is gone after factory reset all on C9800-L-F-K9
After entering the factory reset all command on C9800-L-F-K9, I also found that the MIC certificate disappeared. The device version is 17.12.4.There was no factory reset config command. How can this happen?? show wireless management trustpoint chassi...
해결됨! How to configure DHCP server on L2 switch with helper-address ?
Hello I am configuring a DHCP pool to use a Cisco 2960 switch as a DHCP server. If the device IP of the 2960 switch and the IP range used for the DHCP pool are different, routing functionality is required. Since the 2960 is an L2 switch, I understan...
Changing file partition type of N9K.
I have two n9k-c93180yc-fx3.They are nxos 9.3(11).I have difficult with upgrading this device to nxos 10.3(6).One of the fx3's file partition type is 0x83. (I can see file partition type when booting the n9k like "Filesystem type is ext2fs, partition...
ISE RADIUS dot1x authentication configure in EWC
DearI have question.we need to configure ISE radius policy in EWC Controller AP for using users dot1x authentication.Our AP information is like as below. * model: C9115AXI-R * OS : C9800-AP Software (C9800-AP-K9_IOSXE-UNIVERSALK9-M), Version 17.3.7Is...
해결됨! I bought a new 150AX and a used 151AXM. I'm having trouble connecting
I bought a new 150AX and a used 151AXM.I want to connect the used 151AXM to the new 150AX, but it doesn't work well.I reset the 151AXM according to the manual, but I'm not sure if it worked or not.I did the initial settings as instructed on YouTube, ...
해결됨! Cisco EWC 9105AXI AP Clear Mode
Hello. I'm wondering what is AP clear mode in EWC. Does anyone have a understanding this?
해결됨! Configure portchannels on routers and ASAv
You used BVI on the router to bundle two interfaces into one interface, and now you need to configure them as one network using portchannel on the ASAv.However, the ASAv must function as a failover.Below is the topology and the configuration of the r...
SD-WAN - Source Port Preservation
Cisco Catalyst SD-WAN 의 Source Port Preservation을 설명합니다. Overview Cisco Catalyst SD-WAN Edge는 Control Plane 연결 수립을 위해 UDP 12346~12445, TCP 23456~24356 포트를 사용합니다. Edge가 방화벽 뒤에 있고 방화벽이 NAT를 하는 경우 Control Plane은 다른 포트로 변환이 될 수 있습니다. 일반적인 상황에서는 문제가 되지 ...
SD-WAN - Service Chaining
Cisco Catalyst SD-WAN에서 Service Chaining을 구성하는 방법입니다. Overview Service Chaining이란 SD-WAN 패브릭 내에서 원격 트래픽을 방화벽, IDS/IPS 으로 자동으로 Redirection 하는 기능입니다. Redirection 시 많은 프로세스를 거치지 않고 방화벽을 Next-Hop으로 설정하여 Policy로 적용만 시키면 완료됩니다. 원격지의 트래픽을 방화벽으로 Redirectio...
In BGP, There were lots of logs about TCAM at the N9K in 30mins.
N9508_1 %IPFIB-SLOT2-2-UFIB_ROUTE_CREATE: Unicast route create failed for INS unit 0, VRF: 1. 193.227.10.0/24, flags:0x0, intf.0xd0019, Error: FIB TCAM FULL For IP Routes(235)What causes the above log to occur?Under what conditions does it occur?What...
해결됨! Regarding Network-Advantage License
Hi~ I am writing to learn more about Cisco's licensing policy. I understand that when purchasing Cisco equipment, it is mandatory to also purchase a DNA license (for 3, 5, or 7 years). 1. If I purchase DNA-Essentials, can I only use Network Essen...
해결됨! Cisco Router Slow internet Speed
I'm using router 4321. The only service I have configured is NAT, but my internet speed is too slow. Below is what is configured on the device.R1(config)#do sh runBuilding configuration...Current configuration : 6735 bytes!! Last configuration change...
VXLAN EVPN in Multisite
HelloI'm asking because I have a question while studying Multisite.Is there a way to configure BGW not to use Multisite, but not to affect the VTEP scale, which is the advantage of Multisite?
If you connect uplink to C9200L-24T-4G-E product, all UTP ports go dow
If you connect SFP uplink to C9200L-24T-4G-E product, all UTP ports go down. I have three, and all of them have such symptoms. It's the same when I upload the latest firmware. I attached a video.
