Questions tagged [cisco]

Cisco is a provider of switches and routers to commercial consumers. Cisco devices run IOS or NX-OS operating systems. This is a generic tag to be used when no more specific tags are available. See the partial list of tags in the full Tag Wiki.

Filter by
Sorted by
Tagged with
0
votes
0answers
13 views

How to route IPv6 across ports in Cisco ISR

I have a Cisco ISR router with 4 ports. We own our IPv4 addresses and handle them via BGP, but my datacenter provider assigned us a IPv6 network. I've successfully added the IPv6 network to ...
0
votes
0answers
13 views

Cisco VPN client - How to block Odd numbered addresses with ACL (Extended ACL)?

So I am trying to configure a VPN client on cisco packet tracer but I am having some issues with configuring the ACL. In my task I am trying to create a VPN tunnel between R4 and R2. I am trying to ...
0
votes
0answers
42 views

Access Point setting on tplink TL-mr3420

We have a network with Mikrotik cloud core Routerboard (with DHCP pool of 172.16.0.1 - 172.16.255.254) which we use for Hotspot authentication. A Cisco 2960 switch is connected to the Mikrotik and ...
0
votes
1answer
18 views

Cisco 800 Series RPing's to ISP are Intermittant

According to my ISP, our occasional internet outages are do to a router configuration problem. They say the router must RPing the ISP regularly. Failure to do so in 4 hours results in outgoing and ...
0
votes
0answers
9 views

CISCO UCS Servers Display Flash Memory Serial as 0x####ABCD

I am attempting to pull the flash memory serial numbers of my UCS blades via CMIC, but when it provides the information it displays the serial number as 0x and what appears to be an 8 character ...
2
votes
1answer
31 views

Webex not using DNSSEC

our government issued a statement that all video/voice online enabling software needs to use DNSSEC for all address translations and all used DNS servers need to support DNSSEC. I tried few DNSSEC ...
0
votes
0answers
35 views

Dropped Packages in netzwork: ethertype Unknown (0xa0a0)

We recently started to monitor our servers and found that our network interfaces drop several packages per minute. The following investigation showed that those are always packages in the following ...
0
votes
1answer
21 views

cisco sg550X support m-lag and

Please tell me Support MC-LAG (Multichassis Link Aggregation Groups) model cisco sg550x? can i use at the same time in stack for example: 1/1-2/1: M-LAG (LAG1) and 1/19-2/20,1/20-2/19: for stack ...
0
votes
0answers
32 views

Unable access forwarded ports in cisco router

Below is my router config. I've got a static public IP FYI. hostname R1 boot-start-marker boot-end-marker enable secret 4 GKuIQycLGFn/1VtTta/OeXqUIqQROubxT/D40OGFs0c no aaa new-model ip cef ip ...
1
vote
0answers
23 views

Cisco: some NAT and firewall rules do not load after reboot

I am relatively new to Cisco routers but managed to configure most of the stuff successfully. However, there is one problem that I just can't find a solution to. I have set up a VDSL connection on ...
0
votes
1answer
54 views

What is the purpose of having 2 Cisco ASA 5500-X Series Firewall in a Network?

I just came across a technical proposal for having a control room & server in new york and another control room & server room in Singapore. There will be 2x Cisco ASA 5500-X Series Firewall in ...
0
votes
0answers
21 views

Can Cisco ASA PBR route to specific IP/port?

I am working on setting up PBR on our ASA-5505, and was trying to figure out if this scenario is possible. Traffic coming in via one public externa IP on port 443. ASA identify traffic via ACL and ...
0
votes
1answer
43 views

Ip address overlaps fa0/0

I'm having hard time, I assigned ip 192.168.9.0 to fa0/0 and tried to assign 192.168.9.32 to fa0/1. In the subsequent, I get the error 192.168.9.32 overlaps fastethernet0/0
0
votes
1answer
51 views

SNMP Network traffic difference between ifInOctet and ifHCInOctet

I try to monitor some Cisco 2960x Switch devices and I know there are the SNMP OID's ifInOctets (32-bit Counter) and ifHCinOctets (64-bit Counter). Can someone explain me whats the difference between ...
0
votes
1answer
68 views

Troubleshooting SSL_ERROR_NO_CYPHER_OVERLAP in Firefox

I'm trying to get some assistance over on the Network Engineering Stack Exchange but they really want to blame the browser (see the comments there). I am looking for a fix that does not modify the ...

15 30 50 per page
1
2 3 4 5
173