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用C8500L路由器构建SDWAN环境，发现8500的Critical Alarm指示灯亮红灯，请教下如何检查原因，以及如何消除此影响

配置如下：flow exporter TAC-EXPORTdestination X.X.X.X vrf Mgmt-intfsource GigabitEthernet0!!flow monitor TAC-MONITOR-INexporter TAC-EXPORTrecord TAC-RECORD-IN!!flow monitor TAC-MONITOR-OUTexporter TAC-EXPORTrecord TAC-RECORD-OUT!!flow record TAC-RECORD-IN...

Do we really need carrier grade NAT for IPv6?Is it possible to deploy all NAT functions on 5G core (by virtualization)?

HI：all最近遇到一个问题，本端是2*C6880-x做的VSS ，目前对端是2台4500（未知VSS）对端要更换设备，配置HSRP协议，本端要如何设置保证网络稳定 Now：1)2XC6880-X vss配置，運行ospf路由,宣告172.x.248.0/30           2)2个端口划入port-channel 10，access vlan 10           3) ip route 0.0.0.0.0.0.0.0 172.18.248.2 Plan：1)2XC6880-X vs...

求助各位大佬，硬件：路由器ASR902，软件版本:asr900rsp2-universalk9_npe.03.16.00.S.155-3.S。问题1：是否支持IPv6与OSPFv3协议？问题2：如果支持,配置IPv6有什么注意事项吗？现网测试IPv6无法建立NDP邻居。问题3：如果不支持，是否可以通过升级软件版本解决？

一台Ubuntu服务器，内网地址为10.10.10.1 通过路由器映射成公司局域网地址172.17.100.182. 从公司局域网可以正常访问该服务器的SSH服务。但是远程同事通过VPN进入公司局域网后虽然可以ping172.17.100.182地址，但是无法通过SSH访问该服务器。检查服务器的Auth.log未发现连接请求记录，抓包显示服务器没有回应。不知道有大佬遇到过这种问题吗？

ISR4321路由器，PPPOE拨号，应用入站ACL后，在微信里图片正常显示时间要3秒，取消ACL后图片是秒开，在其它app中图片加载是正常的，有什么解决办法。ACL规则：Extended IP access list INBOUND    10 permit tcp any any established (7208157 matches)    20 permit icmp any any echo-reply (5664 matches)    30 permit udp any any ...

 We are experiencing a warning error "Unsupported bandwidth remaining ratio configured" while setting up the QoS policy map `QoS-Output-queuing` on a Cisco 8000 series router running IOS XR version 7.8. This issue indicates that the bandwidth remaini...

HI All,I am just wondering if anyone has tried the ssh/telnet via Radius/Tacacs+ on the latest Packet Tracer. Somehow, I do not think it is working. Initially, I did a dual DSWs and multiple ASWs running HSRP with an AAA server running Radius. I beli...

We are planning to migrate our DWAN system to SDWAN.Currently we are using hardware C1111-8P which supports SDWAN and two MPLS circuit and use L2 port as the LAN port.This device only has two L3 ports(and all connect to WAN), if I move to SDWAN can I...

Hi, everybodyOur live network production has a Cisco 3945 router, the version is version 15.4, running NAT, now these NAT configurations, there are several NAT configurations are no longer needed, want to delete it;However, we tried to delete "no ip ...