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Lets say that two MC enabled Cisco routers have their PIM-SM enabled interface logically connected (same subnet) between them.
Physically in between, there are multiple daisy-chained L2 Cisco switches (IGMP Snooping enabled by default).
These switche...
Hello all,
In a IPv4 LAN section where we have two routers, we offer HSRP VIP towards end-hosts for redundancy purposes.
In a IPv6 LAN section, what is the best equivalent solution?
a) Use NDP DRP with different preference value (High/Medium) betwee...
Hello all,I would like your help, explaining why BGP picks the best path for the following situation. Please see the diagram. R1-R2-R3 are EIGRP neighbors. R2 and R3 are eBGP neighbors with R4.Both R2 and R3 learn about the 1.1.1.1/32 prefix from R1B...
Hello all,My main question is when exactly do we need pim nbma mode.Specifically, it seems obvious to me that when the sender and the receiver is between spokes, the RPF will fail because the incoming interface and the OIL is the same hub dmvpn tunne...
Hello all!Can someone please explain how ACL logging works in N7K?I have used the following:logging level acllog 5logging logfile acllog 5acllog match-log-level 51) What is the use of each command? According to Cisco, first two commands are supposed ...
Hello, i want to upgrade from 16.9.2 (bundle mode) to 17.9.8.
I have seperately upgraded rommon file to 16.12(2r) (the latest standalone file available).
Then i tried the following:
boot system flash bootflash:packages.conf
install add file bootflash...
I have seen your post:
https://community.cisco.com/t5/routing/how-to-upgrade-isr4331-to-isr4300-universalk9-17-12-05a-spa-bin/td-p/5306569?utm_source=chatgpt.com
I want to upgrade an ISR4000 from 16.9.2 (bundle mode - rommon 16.7(3r)) to 17.12.6.
I ...
Has anyone tried that out (any of the two ways proposed above)?
Still, i wonder what is the way to flip the numbering, without needing to change each port configuration.
Hi, yes i can understand the process via IGMP which as you stated can happen in the L2 domain of the first PIM hop (between router and sender) or in a L2 domain where receivers reside.
So in the described situation IGMP cannot help? (in a way that w...
