About brtims

brtims · 09-09-2004

Hi. I am troubleshooting an issue that has been intermittent for months. We have 2 nokia firewalls integrated between CISCO switches. On occasion VRRP announcements do not get from the primary to the secondary. at this point the secondary becomes mas...

brtims · 09-10-2004

I am really thinking that VRRP is aok. It does change mastership once and a while probably due to the STP convergence which is normal if the VRRP timeout is less than the convergence time. I think somewhere along the line there is some STP topology t...

brtims · 09-10-2004

OUR VRID or VMAC is 00-00-5e-00-01-9a. the multicast address is 01:00:5e:00:00:12. Normally I see this in the cam:VLAN 111show cam dynamic 111* = Static Entry. + = Permanent Entry. # = System Entry. R = Router Entry.X = Port Security Entry $ = Dot1x ...

brtims · 09-10-2004

I agree it is wierd. All packets coming from the firewalls are sourced with physical MAC either primary or secondary depending on who is master. all packets coming to the firewalls are destined to the VMAC so the firewall responds to ARP for the VMAC...

brtims · 09-10-2004

yes 2 entries for vmac when the outage occurs on the same switch for that port of in this case 9/15. And yes it all on the same vlan. The firewalls are trucked to the switch using vmac. I know that because when I do a show cam I see the vmac as an en...

brtims · 09-10-2004

I didn't see anything at all. We are on log level 5 (out of 7) The mastership changes almost every other day but only rarely (every couple of weeks) both are in Master state and remain there until the switch port is disabled/enabled. that clears the ...

Member Since	‎09-09-2004 11:48 AM
Date Last Visited	‎08-18-2017 03:51 AM
Posts	7
Total Helpful Votes Received	1

User Statistics

User Activity

MAster Master VRRP

Re: MAster Master VRRP

Re: MAster Master VRRP

Re: MAster Master VRRP

Re: MAster Master VRRP

Re: MAster Master VRRP