Cisco HSRP Question

Hello Experts,

I have configured HSRP as shown in the attached topology. Can someone please take a look at the configs and let me know why ALSW-9 (ip address cannot ping ALSW-10 ( and vice-versa. Neither can it ping on DLSW-5

Any thoughts will be greatly appreciated.

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Member_2_7966113Author Commented:

Can I get some help with this please.

Attached is the actual lab that my lab was built on.

You will see they were able to ping between switches, in their case ALS1 and ALS2
The same problem as previous lab?

#show ip route
on switches ALSW-9 and ALSW-10
if you have routing table then you need to configure at least default route on switches ALSW-9 and ALSW-10 or disable routing on switches by issuing
#no ip routing.
Member_2_7966113Author Commented:

Thanks for responding.

I need to be clear on this.

One step at a time.

If I issue the command #no ip routing on on ALSW-0 & ALSW-10 will I be able to ping?
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Member_2_7966113Author Commented:
If I issue the command no ip routing on ALSW-9 & 10 what commands should I need to enable me to ping?
Member_2_7966113Author Commented:
if you have routing table

I do not have a routing table.
Member_2_7966113Author Commented:
You have been very helpful, but to TBH you're being a little cryptic..
Member_2_7966113Author Commented:
I'm assuming you've seen the configs and you will have seen there isn't any routing.. so I don't know why you're asking me if there is any routing ??
The thing is, you should have routing on switches DSLW-4 & DSLW-5. Since there is no # ip routing command in running configurations of any device you should not be able to ping other VLANs. However, from your previous lab I remember that your switches did not show command # ip routing in configuration even if routing was working (typically command is not issued or default commands are not visible in running configuration). So, since there is no ip routing command present in any of your configurations - routing is present on every device or there is no routing on any device. To be able to ping other VLANs you must have routing on you DSLW devices. For ASLW devices you have two choices - turn off routing or add needed routes (either should work). Default gateway is not in use if routing is present on device.

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Member_2_7966113Author Commented:

Thanks for responding - that is an excellent answer - I totally get it now.  

I will do as you suggested.

I will let you know how I get on

Thanks man
Member_2_7966113Author Commented:

Thanks for sticking with me on this.

One more thing in relation to this. I have shut down DLSW-4.

I have removed ip routing from switch ALSW-9 and DLSW-5.

I have also removed default route and default gateway from ALSW.

But I can now ping on DLSW-5. , see logs

Can you explain why?

Typically that is the case of proxy ARP.
Proxy ARP can be used as replacement for routing. on many devices proxy ARP is enabled by default and it is considered security risk.
Member_2_7966113Author Commented:
Excellent answer. Thanks Predrag
You're welcome.
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