Ethernet interface is up and has an ip address, but network is unreachable despite proper configuration.
unable to ping any remote systems, ping to 192.168.1.1 works.
dmesg and journalctl shows nothing no errors.

when i connected to wifi on 5G it works for some time and disconnect automatically and never shows the 5G bandwidth ssid in Network again, so i have connected to 2.5G and reporting this.

lsb_release -a
No LSB modules are available.
Distributor ID: Kali
Description: Kali GNU/Linux Rolling
Release: 2025.1
Codename: kali-rolling

hostnamectl
Static hostname: kali-raspberrypi
Icon name: computer
Machine ID:
Boot ID:
Operating System: Kali GNU/Linux Rolling
Kernel: Linux 6.6.74+rpt-rpi-v8
Architecture: arm64

cat /proc/version
Linux version 6.6.74+rpt-rpi-v8 ([email protected]) (gcc-12 (Debian 12.4.0-4) 12.4.0, GNU ld (GNU Binutils for Debian) 2.44) 0000001 SMP PREEMPT Kali 1:6.6.74-1+rpt2+0kali9 (2025-02-12)

uname -a
Linux kali-raspberrypi 6.6.74+rpt-rpi-v8 0000001 SMP PREEMPT Kali 1:6.6.74-1+rpt2+0kali9 (2025-02-12) aarch64 GNU/Linux

lspci
00:00.0 PCI bridge: Broadcom Inc. and subsidiaries BCM2711 PCIe Bridge (rev 10)
01:00.0 USB controller: VIA Technologies, Inc. VL805/806 xHCI USB 3.0 Controller (rev 01)

ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host noprefixroute
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether e4:5f:01:11:98:3f brd ff:ff:ff:ff:ff:ff
inet 192.168.1.6/24 brd 192.168.1.255 scope global dynamic eth0
valid_lft 84981sec preferred_lft 74181sec
inet6 fe80::e65f:1ff:fe11:983f/64 scope link proto kernel_ll
valid_lft forever preferred_lft forever
inet6 fe80::a069:e198:87e2:f54e/64 scope link
valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether e4:5f:01:11:98:40 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.8/24 brd 192.168.1.255 scope global dynamic noprefixroute wlan0
valid_lft 85571sec preferred_lft 85571sec
inet6 fe80::1d54:23f0:737c:b561/64 scope link noprefixroute
valid_lft forever preferred_lft forever

ip route show
default via 192.168.1.1 dev wlan0 proto dhcp src 192.168.1.8 metric 600
192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.8 metric 600
192.168.1.1 dev eth0 proto dhcp scope link src 192.168.1.6 metric 100

route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.1.1 0.0.0.0 UG 600 0 0 wlan0
192.168.1.0 0.0.0.0 255.255.255.0 U 600 0 0 wlan0
192.168.1.1 0.0.0.0 255.255.255.255 UH 100 0 0 eth0