3/16/2024 0 Comments Loopback ping failed![]() & - replicated local route overrides by connectedĬ 10.255.255.118 is directly connected, Loopback100ġ92.168.66.0/24 is variably subnetted, 2 subnets, 2 masksĬ 192.168.66. + - replicated route, % - next hop override, p - overrides from PfR O - ODR, P - periodic downloaded static route, l - LISP This is because ping on Windows Vista and newer Windows uses IPv6 by default when available.::1 is a shortened notation of IPv6 loopback address - equivalent of IPv4 loopback 127.0.0.1. H - NHRP, G - NHRP registered, g - NHRP registration summary Ia - IS-IS inter area, * - candidate default, U - per-user static I - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 PHY loopback: xemaclitephyloopbackexample.c: This is an interrupt example outlining the use of interrupts and callbacks in the transmission/reception of Ethernet frames using MAC loop back in the PHY device with an incrementing payload from 1 byte to 1500 bytes (excluding Ethernet Header and FCS). N - NAT, Ni - NAT inside, No - NAT outside, Nd - NAT DIA I’m on a ppp link traceroute() does not work. Getting ‘failed to set hardware filter to promiscuous mode’ error Scapy says there are ‘Winpcap/Npcap conflicts’ BPF filters do not work. N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2Į1 - OSPF external type 1, E2 - OSPF external type 2, m - OMP Scapy does not work with 127.0.0.1 (or ::1) on the loopback interface. Routing Table: Mgmt-vrf Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGPĭ - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area I also read the link B.kablawi90 has provided ( Thanks,B.kablawi90) the WS-C3850-24XU loopback test failed seem to be relate to software issue. The Switch is a C9200L-48P-4X with version 17.07.01 The WS-C3850-24XU 3 ports LED light were amber and both switches can ping. NOTE: The router gateway have a static route towards the switch loopback 100, through int gi0/0 of management vrf Mgmt-vrf . Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 m If i ping without source address, no problem. Packet sent with a source address of 10.255.255.118 Sending 5, 100-byte ICMP Echos to 192.168.66.1, timeout is 2 seconds: Switch#ping vrf Mgmt-vrf 192.168.66.1 source loopback 100 The interface loopback 100 is up, but when i ping the router gateway ip off the local network with source address loopback 100, the ping fails: %LINK-3-UPDOWN: Interface Loopback100, changed state to up %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback100, changed state to up To ping a private network address from a PE, you need to run the -vpn-instance specifies the VPN instance to which the pinged destination address. Check the device and link status and clear the fault. ![]() %IOSXE_MGMTVRF-3-INTF_ATTACH_FAIL: Management VRF attach to mgmt loopback failed If the ping operation can succeed only after is increased to a very long value, there is a possibility that a fault occurs on the device or link. I'm trying to configure a interface loopback under default vrf Mgmt-vrf and the follow log appears: ![]()
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