While top is great for a quick look, consider integrating:
For the keyword "vqfx202r110reqemuqcow2 top", advanced users often combine top output with netstat -m to debug buffer exhaustion in the virtual forwarding plane.
top - 14:23:45 up 2:12, 2 users, load average: 0.75, 0.42, 0.33 Tasks: 85 total, 1 running, 84 sleeping, 0 stopped, 0 zombie %Cpu(s): 12.5 us, 3.2 sy, 0.0 ni, 83.1 id, 1.0 wa, 0.0 hi, 0.2 si, 0.0 st KiB Mem : 4045320 total, 1024308 free, 2300124 used, 720888 buff/cache KiB Swap: 2097148 total, 2097148 free, 0 used. 1485012 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1123 root 20 0 1523048 756420 32140 S 18.2 18.7 12:34.22 junos-main 1460 root 20 0 824568 234120 18120 S 5.6 5.8 3:21.18 vmm
Key metrics:
When working with this specific release image, users often encounter two main issues:
You cannot run the vQFX with just the RE image; you need this specific PFE image to pass traffic. The PFE image is "headless" (no CLI access inside the VM itself) and exposes the physical networking logic to the virtual environment. vqfx202r110reqemuqcow2 top
When you deploy this image, it creates the "virtual ASIC." The vQFX-RE connects to the vQFX-PFE via an internal virtual link (often inside the VM configuration or a specific internal bridge). Once connected, the RE pushes the forwarding table down to the PFE, allowing the switch to route traffic between interfaces.
| Field | Value |
|-------|-------|
| Filename | vqfx202r110reqemuqcow2 |
| Device | Juniper vQFX (virtual QFX series switch) |
| Version | 20.2R1.10 |
| Format | QCOW2 (QEMU Copy-On-Write) |
| Use case | EVE-NG, GNS3, or manual QEMU/KVM lab environments |
This image emulates a Juniper QFX switch, used for data center fabric, EVPN-VXLAN, and advanced Layer 2/Layer 3 testing. While top is great for a quick look, consider integrating:
last pid: 47892; load averages: 0.23, 0.40, 0.32 34 processes: 1 running, 33 sleeping CPU: 4.2% user, 0.0% nice, 6.8% system, 1.1% interrupt, 87.9% idle Mem: 945M Active, 218M Inact, 245M Wired, 98M Buf, 2180M Free
PID USERNAME PRI NICE SIZE RES STATE TIME WCPU COMMAND 1234 root 20 0 245M 112M select 12.3H 12.5% rpd 5678 root 20 0 189M 88M select 8.1H 5.2% chassisd 9101 root 20 0 102M 45M kqread 2.4H 1.1% l2ald
This is the simplest "top" layer topology. You spin up one RE VM and one PFE VM. Key metrics: When working with this specific release