Using BVI Interface on router for core switch redundancy??
Hello All, I know this must be a noob question, but I just want to make sure I am right. I have a dual core network, and as it is now, I have one 2911 Router acting as a voice gateway for our pri. Originally it was a single connection to Core-A, with the physical interface gi0/0 assigned the ip address.
I had the idea of dual homing the voice gateway so that if we ever lose a core switch, we dont lost the ability to make and take calls.
My question is this: if I create a bvi interface, create a bridge group, put gi0/0 (core a) and gi0/1 (core b) in the bridge group, will this create a spanning tree loop?
attached pic is related - this is the design. vlan 20 is our voip network, and the CUCM, the CUPS Server, the Phones at our corporate office and the 2911 are on the same vlan.
Please take a look and let me know if this does open me up to loops. I am not thrilled about just doing it and "seeing if it works" and I cannot find any documentation on the subject, which makes me extra wary.
Bridge group 1 is executing the ieee compatible Spanning Tree protocol Bridge Identifier has priority 32768, address d0d0.fdd3.fec0 Configured hello time 2, max age 20, forward delay 15 Current root has priority 8212, address c84c.7566.8f80 Root port is 3 (GigabitEthernet0/0), cost of root path is 4 Topology change flag not set, detected flag not set Number of topology changes 1 last change occurred 00:07:22 ago from GigabitEthernet0/0 Times: hold 1, topology change 35, notification 2 hello 2, max age 20, forward delay 15 Timers: hello 0, topology change 0, notification 0, aging 300
Port 3 (GigabitEthernet0/0) of Bridge group 1 is forwarding Port path cost 4, Port priority 128, Port Identifier 128.3. Designated root has priority 8212, address c84c.7566.8f80 Designated bridge has priority 8212, address c84c.7566.8f80 Designated port id is 128.2, designated path cost 0 Timers: message age 1, forward delay 0, hold 0 Number of transitions to forwarding state: 1 BPDU: sent 2, received 224
Port 4 (GigabitEthernet0/1) of Bridge group 1 is blocking Port path cost 4, Port priority 128, Port Identifier 128.4. Designated root has priority 8212, address c84c.7566.8f80 Designated bridge has priority 16404, address 503d.e5eb.e480 Designated port id is 128.2, designated path cost 4 Timers: message age 2, forward delay 0, hold 0 Number of transitions to forwarding state: 0 BPDU: sent 1, received 56
On 18th December 2020, Cisco announced the latest IOS XE release - Cisco IOS XE Bengaluru 17.4.1a
The first one in the Cisco IOS XE Bengaluru release series, IOS XE 17.4.1a unlocks various routing features and enhancements comprehensively c...
This event had place on Tuesday 19th, January 2021 at 10hrs PDT
In this session attendees received an introduction to Software Defined-WAN (SD-WAN) and the importance of control connections, and learn how to configure devices us...
(view in My Videos)
Community Live- May the SD-WAN Force Be With You
This event took place on Tuesday 19th, January 2021 at 10:00hrs PDT
In this session attendees received an introduction to Software Defined-WAN (SD-WAN) and the importance of ...
Cisco Champion Radio · S8|E3 The Cisco DNA Center Machine Reasoning Engine
Machine Reasoning is a new category of AI/ML that you will soon hear a lot about. It saves your IT team time by automating complex and tedious networking tasks. It can also...
To participate in this event, please use the button to ask your questions
In this session attendees will receive an introduction to Software Defined-WAN (SD-WAN) and the importance of control connections, and learn how to configure devices usi...