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We have two sites, A and B. Now the phone at site A can call the phone at site B, but the phone at site B cannot call the phone at site A. When the phone at site B calls site A, the phone keeps beeping, as if the line is busy. Can you help me analyze...
I have a C1111 router and I configured the following static NAT.
ip nat inside source static 192.168.2.190 172.25.139.241
ip nat inside source static 192.168.2.191 172.25.139.242
ip nat inside source static network 192.168.2.0 192.168.61.0 /24
I woul...
I have two C3850 switches, in stacking mode. The current ISO version is 16.3.6, BUNDLE mode, and I need to upgrade to 16.6.9 version install mode. How can I do this?1. Do I need to switch from 16.3.6 BUNDLE mode to install mode and then upgrade to 16...
We have two sites, the Hub site and the Spoke site, both of which use TLOC-EXT. We found that the Spoke site Internet interface address (59.39.38.106 and 120.86.8.30) cannot be pinged from the Hub site., but the BFD sessions are normal
The Internet i...
I want to filter OSPF intra-area routes (area0) on Nexus 7000s, but I found that the Nexus device does not support distribute-list, but uses table-map instead of distribute-list. Can I use the following command to filter the area in ospf? Within the ...
I uploaded the packet capture file. In the packet capture, I saw a lot of tcp retransmission messages. The voice gateway of site B is 10.10.210.1, and the CUCM address of site A is 172.21.30.68/69.
Hello, I have the same problem. I would like to ask: I have a C3850, the current version is 16.3.6, and I plan to upgrade to 16.12.12. Now there is an ipbasek9 license on the device. Can I continue to use it after the upgrade? The device needs to run...
Hello，
has your switch been upgraded? I have the same problem now. C3850 needs to be upgraded from version 16.3.6 to version 16.12.12. On the current switch, only the ipbasek9 license is shown in the show version. I would like to ask whether the swit...
