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Hello, just wondering if anyone has done this and might have some tips, please ?Due to an ftp (sftp) server migration a developer has asked me if:For outgoing connections, the new server and the old server, say ip's = S1 and S2, can use the same exis...
Just wondering if anyone knows if there is an equivalent of "link state tracking" for the 3850 as this feature is unfortunately not supported in IOS-XE.
I have a pair of 3850's (no ip routing) with servers sitting across the two set to fail-on-fault ...
We have a working MS-NLB cluster (I don't like MS-NLB but it wasn't my choice) which uses multicast with igmp. In reading on how to set this up I came across the fact that unless static mac address entries for the multicast mac address are added to t...
Hi All, I wonder if anyone could please help with this question: We have a number of 6509s which generally have dhcp relay agents configured on the SVIs. The dhcp servers are centralised. Recently we've had one or two faults with misconfigured or ...
Hi All, I wonder if anyone could please help with this question: We have a number of 6509s which generally have dhcp relay agents configured on the SVIs. The dhcp servers are centralised. Recently we've had one or two faults with misconfigured or ...
Managed to get hold of a spare small ASA (5506) and tried this - worked OK. Didn't need to remove the existing object auto NAT as the new manual twice NATs take precedence. We're not translating the external ip but need to match on it. So suppliers c...
It turned out to be straightforward:
On each switch using
track 1 interface TenGigabitEthernet1/1/1 line-protocol
event manager applet Uplink-Goes-Down event syslog pattern "%TRACK-6-STATE: 1 interface Te1/1/1 line-protocol Up -> Down" action 1 cli c...
Hi Marian - thanks for the reply. It's an interesting theory but I don't think it is correct in this case. There were no HSRP state changes when this happened. I'm pretty sure the issue is caused by asymmetrical routing. It hasn't happened again wi...
Hi Rolf - thanks for the reply. It's an interesting theory but doesn't seem to be correct in this case as the cluster packets have a TTL of 111, not 1. Regards, Chris.
Thanks for the reply.When you use igmp snooping, the traffic is constrained as expectedexcept that the router port is added:vlan mac address type learn age ports------+----------------+--------+-----+----------+-------------...
