Questions tagged [hsrp]
HSRP stands for the Hot Standby Routing Protocol. It is a Cisco-proprietary solution to provide high availability for a service, for example, default gateways.
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TCP session refused immediately after accepting it
Host_A tries to send some data to Host_B over TCP. Host_B is listening on port 4712. Host_A is a remote PC connected on a dedicated WAN. Host_B is a local embedded device based on embOS OS, connected ...
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DHCP Option in HSRP /VRRP
I'm configuring HSRP having scenario described in figure below. One gateway is active for one network and standby for other network and vice versa for other gateway.
DHCP is configured on both ...
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Adding HSRP VLAN to existing config before connecting interfaces
Apologies I am new to Cisco and have inherited two Cisco 9300's with HSRP.
There are four existing VLAN's and when setup the switches were not in production. An example config of VLAN1 is below:
(...
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Can HSRP be used with two different ISPs to achieve a high availability VPN
Can HSRP be used to set up a high-availability site-to-site VPN using two routers from different ISPs? If one ISP's connectivity fails, the VPN would be switched over to the other ISP transparently, ...
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can't access endpoints after hsrp failover
I have an etherchannel (LACP) between two C3850 switches (g1/0/23 and g1/0/24 on each of the two 3850s (running IP BASE). This is PO1, trunked, allowing all VLANs between the two switches.
I have (so ...
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2x uplinks in HSRP - how to setup switch?
Our ISP provides us with 2x 10G uplinks, and they use HSRP on their end. We see incoming traffic (load balanced) on both ports, but outgoing from us is only via one port. We only run L2 on our side (...
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SonicWALL HA w/ Dual WAN HSRP from two redundant switches
We're adding two SonicWALL NSA 2600 firewalls to our current setup. We currently get two WAN connections from two separate Cisco routers running on the same external subnet with what I believe is HSRP....
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Cisco HSRP with spanning-tree slow failover
I'm having an issue with networking that I can't wrap my head around since I'm not a strong networking guy to get this. From our provider we have 2 drops via HSRP that go into our cisco 2960 switches ...
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Redundancy scenarios for a small network centered around a Cisco 3560X switch
As the title says, I manage a small network which uses a Cisco 3560X as the core switch. We have recently got a 2nd identical switch and I have started thinking about how to add some redundancy to the ...
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Colocation and HSRP setup
My colocation provider has setup HSRP for us and has provided us 2 drops (plugged into 1/1/1 and 1/1/2) from their routers as well as a /29 with 2 HSRP IP's and the rest of the /29 usable for the ...
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Redundant Firewalls And Switches HSRP and CARP
I currently have planned
2 x uplinks (HSRP Active/Standby)
2 x pfsense firewalls (Carp Enabled)
2 x layer2 switches
Please criticize or offer help on the correct way to do this.
I have a feeling im ...
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Providing internet redundancy for our colocation provider
My company recently had an network outage at our colocation facility that is serving our main website. The outage was caused by an upstream switch failure.
I was told by my ISP (who provides us with ...
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Does a IPv6 network benefit from a HSRP setup on the routers?
I'm just struggling with a IPv4/IPv6 Dual Stack Setup for our new hosting environment. As central routers/switches I've got two Cisco Catalyst 3750G-48TS. The switches are not stacked, for IPv4 they ...
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Can I have more than two routers in the same HSRP group?
I want to know if it is possible to do HSRP with 3 or more routers.
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Cisco Switching Module and HSRP interface Tracking
When using 4 port switching module where each port is configured to switchport access vlan ##, for HRSP should I track the vlan interface or the FastEthernet interface?
interface FastEthernet0/0/0
...
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Confusion about HSRP Groups
If I have a router that has several LANs on it, and each of these LAN is attached to a second router, do I need to use different HSRP groups for each LAN?
With this set up, each virtual gateway will ...
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Basic Cisco Switch Recommendation For HSRP WAN Redundancy [closed]
I am going to have to use HSRP for WAN failover with my two routers since a routing protocol is not being offered. In order to make sure my active router doesn't get out of sync with their active ...
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EIGRP for Failover
Preface:
Reading through O'Reilly's Network Warrior in the chapter "Ethernet Resiliency he describes the following Scenario (Trying to keep this in the limits of fair use):
alt text http://www....
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Network Redundancy Example
Looking for help filling in how redundancy in the following model might work:
alt text http://www.kbrandt.com/files/NetworkSample.jpg
I believe my Datacenter will give me redundant gateways with two ...