ICMP Redirect Message - Cisco Learning Network
When Are ICMP Redirects Sent? - Cisco on this red box , can anyone help me to understand this red box? why ICMP redirect message will not sent ?
ICMP redirect uses? - Cisco Learning Network
From what I gather ICMP redirect is done when a gateway get an message which might have a destination same broadcast domain. I think I understand what you are saying but just to clarify, a …
ICMP redirect - Cisco Learning Network
In IPv4, a host ignores redirects specifying a next-hop that is not on-link according to the link’s network mask. The IPv6 redirect mechanism is expected to be useful on nonbroadcast and shared media …
BFD Redirects - Cisco Learning Network
BFD operates by sending its control packets to itself, sourcing from itself. This is to test the forwarding plane of the remote router; assuming that if it can route the packet back, it has an operational …
Understanding the ICMP Protocol with Wireshark in Real Time
Jan 21, 2022 · Understanding ICMP Protocol with Wireshark in Real Time • Questions: • What is the MTU size of the ICMP packet at the Network Layer? • What is the MTU size of the ICMP packet at …
No ip redirects, no ip proxy-arp, no ip unreachables and no ip route …
no ip redirects--this disables icmp redirect messages. Redirects happen when a router recognizes a packet arriving on an interface and the best route is out that same interface. In that case the router …
ICMP - why ping fails - Cisco Learning Network
The ACL permits ICMP to 10.1.5.5 and you're trying to ping 10.2.5.5. When you're playing around with ACLs in a LAB (only) it is a good idea to put an explicit "deny ip any any log" at the end of the ACL …
IPv6 redirects - Cisco Learning Network
ICMP redirection works as expected in that case: host adds entry to the redirect cache, but router just ignores message. But I'm not so sure about IPv6 on cisco routers. Even when IPv6 unicast routing is …
ICMP- Redirect - Cisco Learning Network
almost every device is using type 5 code 1 icmp redirect for host even the device which have ip routing enabled why the router which have ip routing enabled received type 5 code 1 ? i thought that R4 will …
Question on IP redirect - Cisco Learning Network
When hosts in 10.1.1.0/24 subnet try to reach PC2, the gateway R1 will re-direct the packet to R2 for its fast connection. That actually works. But I thought when R1 gets the first ping from PC1, R1 would …