Hello , i have a question for DNS issue. Scenario is : 20 hosts will be moved from a site 1 with ISP1 to the site 2 with ISP2, for some reason we cannot change anything on this 20 hosts. ON site 2 router i will nat the running public ip addresses...
Forum Posts
Hello DearsAccept my apologyI hope this picture is more illustrative What config should I use on the device to automatically use the link2 in case of link1 failure?
Anyone know what this error is? Or Which VTT its referring to? I have a pair of VSS 6807-XL with quad Sups - I know that each chassis has 3 VTT modules, i am unsure where the error is pointing to? %C6KENV-SW1-4-VTTFAILED: VTT 8 failed %C6KENV-SW2_STB...
Hi, I have a really odd problem with my Cisco 3560 (with POE) switch. The ports of the switch are all set to various VLANS (access mode), except 1 port that is set as a trunk. The problem comes when I connect my QNAP NAS drive to 2 of the designated ...
I am trying to connect a Cat3560G switch to an N7K pair via a vPC. The VLANs I wish to trunk are being suspended, I am getting the following error messages:2010 Jun 22 17:03:36 N7K-Core1 %ETHPORT-3-IF_ERROR_VLANS_SUSPENDED: VLANs 2,301 on Interface ...
Resolved! archive feature on router and tftp
Hi everybody.I am trying to learn how " archive" feature works.R1----------------------------tftpIn above set up:R1 --- 199.199.199.1tftp----199.199.199.10I am able to copy running-config to tftp as shown below:R1#copy running-config tftpAddress or ...
Today I was told changing interface bandwidth will cause interface flapping. I am unable to repro. Is there any platform on which changing interface bandwidth causes traffic interruption with EIGRP? AFAIK I don't think it has impact on availability w...
Resolved! Bandwidth Command on Interface
I have several routers connected to an ISP. The physical connection speed in one instance is 1gb/s, but ISP rate limits the bandwidth to 200 mb/s. I have another that is physically connect at 10gb/s but is rate limited to 4gb/s. Should the bandwidt...
Resolved! Catalyst 3850 and ASA5516 Issues
Have a Catalyst 3850 with IP Routing turned on. I have three different IP ranges that talk back and forth with each other on the C3850. Now I want to put a fourth IP range in but, want that IP range to be behind ASA 5516. I put the ASA 5516 with subi...
Hi All, Recently we replaced the C3850 stack with C4507 SUP-8E, and keeps configuration identical. But we found that ICMP redirect feature enabled on 4507, but not working, made the ping loss to anther subnet through another 4507. But if we specify...
Hi Guys looking for advice to tackle a replacement problem. I have a 3850 stack 1 to 4 with different types of 3850's from SFP's to SFP + and 10GBE I stupidly replaced the 3rd member of the stack of a 24 port SFP with a 24 port SFP+ as they were boug...
Hi .. is there any order we need to follow while configuring the brand new switch . Know that while configuring AAA for TACACS ..need to follow some order , recently while configuring switch TACACS faced the issue .....post tacacs stuff config...
'CCNA Routing and Switching ICND 2 200-105 Official Cert Guide' says 'This range of VLAN IDs is known as standard range VLANs, and includes VLAN 1, which is the default access VLAN and the default native VLAN on each port.' on page 179. Does 'default...
Hello We are thinking of purchasing Catalyst 9300 switches to replace our 3750Gs and trying to understand how the new subscription-based licensing works. We were informed that features still work after the license term expires so what are the advan...
I have a stack of n switches, the master is on my preferred version of code 3.6.5, one of the other switches in the stack is on 3.6.6 (shipped from factory). Switch Ports Model SW Version SW Image Mode ------ ----- ----- ---------- ---------- ---- * ...
